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Asus ZenBook Flip S UX371 Review - Compact Convertible with Tiger Lake and OLED

Tiger Lake meets OLED. Intel's Tiger Lake processors have arrived and one of the first review samples is the brand-new Asus ZenBook Flip S. We have a closer look at the compact convertible with the OLED touchscreen. The graphics performance is increased, but the OLED screen consumes a lot of power.

The ZenBook Flip S UX371 from Asus is one of the first notebooks with Intel's new Tiger Lake Chips, which is supposed to close or at least reduce the gap to AMD's Ryzen processors. The Flip S is definitely a premium device, which is evident when you have a look at the spec sheet including the 4K OLED touchscreen as well as Thunderbolt 4 connectivity. However, this comes at a price, and our review unit retails for almost 2500 Euros. Asus also offers the ZenBook Flip S UX363, which is equipped with a more efficient 1080p screen (1W) and it starts at 1799 Euros. The convertibles will be available in the end of October.

Asus ZenBook Flip S UX371 (Zenbook Flip S Series)
Processor
Intel Core i7-1165G7 4 x 2.8 - 4.7 GHz, 51 W PL2 / Short Burst, 25 W PL1 / Sustained, Tiger Lake-UP3
Memory
16 GB 
, LPDDR4X-4266, Dual-Channel, soldered
Display
13.30 inch 16:9, 3840 x 2160 pixel 331 PPI, capacitive, native pen support, SDC4147, OLED, glossy: yes, HDR, 60 Hz
Mainboard
Intel Tiger Lake-UP3 PCH-LP
Storage
WDC PC SN730 SDBPNTY-1T00, 1024 GB 
, 909 GB free
Soundcard
Intel Tiger Lake-U/Y PCH-LP - cAVS (Audio, Voice, Speech)
Connections
1 USB 3.1 Gen2, 2 USB 4.0 40 Gbps, 2 Thunderbolt, 1 HDMI, 2 DisplayPort
Networking
Intel Wi-Fi 6 AX201 (a/b/g/h/n = Wi-Fi 4/ac = Wi-Fi 5/ax = Wi-Fi 6/), Bluetooth 5.0
Size
height x width x depth (in mm): 13.9 x 305 x 211 ( = 0.55 x 12.01 x 8.31 in)
Battery
67 Wh, 4220 mAh Lithium-Polymer
Operating System
Microsoft Windows 10 Pro 64 Bit
Camera
Webcam: HD
Additional features
Speakers: Stereo, Keyboard: Chiclet, Keyboard Light: yes, 65 Watts PSU, USB-C to 3.5mm adapter, Asus Tools, 24 Months Warranty
Weight
1.234 kg ( = 43.53 oz / 2.72 pounds), Power Supply: 222 g ( = 7.83 oz / 0.49 pounds)
Price
2500 Euro
Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

 

Rating
Date
Model
Weight
Height
Size
Resolution
Best Price
86.3 %
09/2020
Asus ZenBook Flip S UX371
i7-1165G7, Iris Xe G7 96EUs
1.2 kg13.9 mm13.30"3840x2160
86.3 %
10/2019
Dell XPS 13 7390 2-in-1 Core i7
i7-1065G7, Iris Plus Graphics G7 (Ice Lake 64 EU)
1.3 kg13 mm13.40"1920x1200
88.4 %
12/2019
HP Spectre x360 13-aw0013dx
i7-1065G7, Iris Plus Graphics G7 (Ice Lake 64 EU)
1.2 kg16.9 mm13.30"1920x1080
84.4 %
07/2020
Samsung Galaxy Book Flex 13.3
i5-1035G4, Iris Plus Graphics G4 (Ice Lake 48 EU)
1.2 kg13 mm13.30"1920x1080
88.1 %
09/2020
Acer Spin 5 SP513-54N-79EY
i7-1065G7, Iris Plus Graphics G7 (Ice Lake 64 EU)
1.2 kg14.9 mm13.50"2256x1504
87 %
12/2019
Lenovo Yoga C940-14IIL 81Q9
i7-1065G7, Iris Plus Graphics G7 (Ice Lake 64 EU)
1.4 kg15.7 mm14.00"3840x2160

Case - UX371 with noble aluminum chassis

The ZenBook Flip S is a premium convertible, which is reflected by the chassis design. The combination of dark surfaces (Jade Black) with red copper accents leaves a very sophisticated impression. There are also concentric circles on the lid, which is familiar from previous ZenBooks. However, the smooth surfaces quickly attract fingerprints.

The case is made of an aluminum alloy and the overall stability is very good. The keyboard deck is slightly lowered, which allows more key travel. This does not impact the stability, because neither concentrated pressure, nor twisting attempts can create creaking noises. The lid is also very sturdy, and the additional glass layer from the touchscreen certainly helps as well.

Asus uses a so called ErgoLift hinge design, which means the rear of the base unit is slightly lifted when you open the lid. This results in a slightly more comfortable typing position and also improves the air flow underneath the device at the same time. The Flip S is a convertible, so you can flip the display back and use it as a tablet, for example. 

The bezels at the sides are very narrow at 3.9 mm, but the bottom bezel in particular is a thick black bar. A 16:10 panel would have fitted here as well.

Our size comparison shows that the rivals are pretty close together, only the Acer Spin 5 has a deeper chassis. The ZenBook Flip S is definitely a mobile device with a height of just ~14 mm and a weight of 1.2 kg and should easily fit in most bags.

Size Comparison

320.3 mm / 12.6 inch 215.6 mm / 8.49 inch 15.7 mm / 0.618 inch 1.4 kg2.98 lbs306 mm / 12 inch 194.5 mm / 7.66 inch 16.9 mm / 0.665 inch 1.2 kg2.74 lbs305 mm / 12 inch 211 mm / 8.31 inch 13.9 mm / 0.547 inch 1.2 kg2.72 lbs303 mm / 11.9 inch 203 mm / 7.99 inch 13 mm / 0.512 inch 1.2 kg2.56 lbs300 mm / 11.8 inch 235 mm / 9.25 inch 14.9 mm / 0.587 inch 1.2 kg2.61 lbs296 mm / 11.7 inch 207 mm / 8.15 inch 13 mm / 0.512 inch 1.3 kg2.93 lbs297 mm / 11.7 inch 210 mm / 8.27 inch 1 mm / 0.03937 inch 5.7 g0.01257 lbs

Connectivity - Flip S with Thunderbolt 4

The new Tiger Lake processor in the ZenBook UX371 also includes Thunderbolt 4 ports, which once again use USB Type-C connectors. Both ports support up to 40 Gbps as well as USB 4. There is also a regular USB Type-A port on the right side. We do not really like the lack of a 3.5 mm stereo jack (only available via included adapter), but a much larger full-size HDMI output was included.

Left side: HDMI 1.4, 2x USB-C (Thunderbolt 4)
Left side: HDMI 1.4, 2x USB-C (Thunderbolt 4)
Right side: Power button, USB-A (3.2 Gen.2)
Right side: Power button, USB-A (3.2 Gen.2)

Communication - ZenBook with fast Wi-Fi 6

Asus integrates a Wi-Fi module from Intel for wireless connectivity. The Intel AX201 supports the fast Wi-Fi 6 standard (including Bluetooth 5.0) and manages very high transfer rates in combination with a suitable router. Our test with the Netgear Nighthawk RAX120 resulted in about 1.2 Gbps both for downstream and upstream. We did not notice any signal issues during our review period.

Networking
iperf3 transmit AX12
Acer Spin 5 SP513-54N-79EY
Intel Wi-Fi 6 AX201
1384 (1306min - 1419max) MBit/s +21%
Average of class Convertible
  (1003 - 1395, n=2, last 2 years)
1199 MBit/s +5%
Average Intel Wi-Fi 6 AX201
  (49.8 - 1775, n=324)
1161 MBit/s +2%
Asus ZenBook Flip S UX371
Intel Wi-Fi 6 AX201
1142 (883min - 1327max) MBit/s
Samsung Galaxy Book Flex 13.3
Intel Wi-Fi 6 AX201
625 (543min - 707max) MBit/s -45%
Dell XPS 13 7390 2-in-1 Core i7
Intel Killer Wi-Fi 6 AX1650s
356 MBit/s -69%
iperf3 receive AX12
Average of class Convertible
  (1178 - 1578, n=2, last 2 years)
1378 MBit/s +11%
Average Intel Wi-Fi 6 AX201
  (136 - 1743, n=324)
1261 MBit/s +2%
Asus ZenBook Flip S UX371
Intel Wi-Fi 6 AX201
1236 (721min - 1325max) MBit/s
Samsung Galaxy Book Flex 13.3
Intel Wi-Fi 6 AX201
857 (782min - 887max) MBit/s -31%
Acer Spin 5 SP513-54N-79EY
Intel Wi-Fi 6 AX201
850 (729min - 1030max) MBit/s -31%
Dell XPS 13 7390 2-in-1 Core i7
Intel Killer Wi-Fi 6 AX1650s
640 MBit/s -48%
7217718218719219711021107111211171122112711321Tooltip
Asus ZenBook Flip S UX371; iperf3 receive AX12; iperf 3.1.3: Ø1235 (721-1325)
Asus ZenBook Flip S UX371; iperf3 transmit AX12; iperf 3.1.3: Ø1141 (883-1327)

Webcam

The HD webcam takes comparatively colorful pictures, but they lack detail. Still, the module is sufficient for simple video calls or conferences.

ColorChecker
10.6 ∆E
16.8 ∆E
16.2 ∆E
11.7 ∆E
16.6 ∆E
13.9 ∆E
14 ∆E
16.6 ∆E
16.6 ∆E
5.2 ∆E
13.8 ∆E
11.4 ∆E
5.9 ∆E
8.5 ∆E
18.7 ∆E
5.9 ∆E
16.9 ∆E
12.4 ∆E
2.3 ∆E
11.4 ∆E
11.4 ∆E
5.4 ∆E
5.4 ∆E
13.3 ∆E
ColorChecker Asus ZenBook Flip S UX371: 11.7 ∆E min: 2.33 - max: 18.72 ∆E

Accessories

inside the box of the test sample is only the 65W power adapter as well as the adapter for the 3.5 mm stereo jack. Asus also offers SKUs that are shipped with an additional sleeve and the Asus Pen 2.0 (SA201, 4096 pressure levels). They can also be purchased separately.

Maintenance

The bottom panel is secured by multiple T5 screws and additional plastic clips. After the removal, you can clean the fan and replace the SSD, but that' about it. All the other components like the memory or the Wi-Fi module are soldered onto the mainboard.

Internal layout ZenBook Flip S UX371
Internal layout ZenBook Flip S UX371

Input Devices - ScreenPad 2.0 and good keyboard

Keyboard

Asus uses the full width of the base unit for the keyboard, but you will have to get used to the layout. The height of the keys is also reduced, there is an additional column of keys on the right side and the arrow keys are very small.

The individual keys are very well integrated and have a key travel of 1.4 mm, which results in a very pleasant typing experience. The key stroke is very precise and only larger keys like the space bar or Return create a slightly louder typing noise. All in all, it is very comfortable to write longer texts. There is also a white illumination with three intensity levels.

Input Devices
Input Devices
Keyboard illumination and ScreenPad active
Keyboard illumination and ScreenPad active

Touchpad

The touchpad underneath the keyboard is very wide at 13 x 6.8 cm and offers plenty of room for cursor movements and gestures. The smooth surface offers very good gliding capabilities and can be clicked, but it results in a pretty loud clicking noise. Asus integrates a so called ScreenPad 2.0, and you can activate a numeric keypad with a click in the upper right corner. It is easy to input numbers and you can still move the cursor around, but tap-to-click inputs are not always registered when the numpad is active. If you have to enter a lot of numbers, you will probably appreciate this feature.

Display - 4K-OLED-Touchscreen

Subpixel layout with touch layer
Subpixel layout with touch layer

Asus goes all-in with in terms of display and implements a 4K OLED touchscreen (16:9, 3840 x 2160 pixels), which creates very sharp images thanks to the high pixel density (331 ppi). The colors also look very rich and vivid. 4K videos look great, especially HDR contents.

Asus advertises a brightness of up to 500 nits, but the screen only reaches this value when parts of the screen show bright contents. We checked the value with an APL50 measurement (average picture level, even distribution of bright and dark picture contents) and can confirm the claimed figure of 500 nits. A full white picture (which is used for our standard measurements), only shows a brightness between 360-400 nits. We suspect the power consumption would just be too high otherwise.

Thanks to the extremely low black value, you get a very high contrast ratio and due to the OLED technology, there is absolutely no screen bleeding. However, we can detect PWM at a brightness of 70% or lower at a frequency of 60 Hz. If you have problems with OLED screens (often used for smartphones), you should avoid the OLED option.

361
cd/m²
361
cd/m²
375
cd/m²
371
cd/m²
365
cd/m²
382
cd/m²
371
cd/m²
371
cd/m²
395
cd/m²
Distribution of brightness
SDC4147 tested with X-Rite i1Pro 2
Maximum: 395 cd/m² (Nits) Average: 372.4 cd/m² Minimum: 4.3 cd/m²
Brightness Distribution: 91 %
Center on Battery: 363 cd/m²
Contrast: 12167:1 (Black: 0.03 cd/m²)
ΔE Color 7.6 | 0.5-29.43 Ø5, calibrated: 4.1
ΔE Greyscale 5.4 | 0.57-98 Ø5.3
100% sRGB (Argyll 1.6.3 3D)
92% AdobeRGB 1998 (Argyll 1.6.3 3D)
100% AdobeRGB 1998 (Argyll 2.2.0 3D)
100% sRGB (Argyll 2.2.0 3D)
99.9% Display P3 (Argyll 2.2.0 3D)
Gamma: 1.6
Asus ZenBook Flip S UX371
SDC4147, OLED, 3840x2160, 13.30
Dell XPS 13 7390 2-in-1 Core i7
Sharp LQ134N1, IPS, 1920x1200, 13.40
HP Spectre x360 13-aw0013dx
AU Optronics AUO5E2D, IPS, 1920x1080, 13.30
Samsung Galaxy Book Flex 13.3
BOE087A, IPS, 1920x1080, 13.30
Acer Spin 5 SP513-54N-79EY
BOE08BC, IPS, 2256x1504, 13.50
Lenovo Yoga C940-14IIL 81Q9
BOE HF NV140QUM-N54, IPS, 3840x2160, 14.00
Display
-20%
-20%
-20%
-11%
Display P3 Coverage
99.9
69.9
-30%
69.6
-30%
69.4
-31%
83.8
-16%
sRGB Coverage
100
99.2
-1%
98.9
-1%
99.6
0%
99.9
0%
AdobeRGB 1998 Coverage
100
71.5
-28%
71.5
-28%
71
-29%
83.3
-17%
Response Times
293%
-2077%
-1482%
-1000%
-1496%
Response Time Grey 50% / Grey 80% *
2 ?(1, 1)
47.6 ?(23.2, 24.4)
-2280%
60.8 ?(26, 34.8)
-2940%
44 ?(19, 15)
-2100%
49 ?(22, 27)
-2350%
44.4 ?(22.4, 22)
-2120%
Response Time Black / White *
2.8 ?(1.4, 1.4)
29.2 ?(16, 13.2)
-943%
36.8 ?(15.6, 21.2)
-1214%
27 ?(15, 12)
-864%
28 ?(16, 12)
-900%
27.2 ?(15.6, 11.6)
-871%
PWM Frequency
59.5 ?(70)
2500 ?(25)
4102%
208 ?(90)
250%
Screen
-88%
-81%
-153%
-69%
-88%
Brightness middle
365
549.8
51%
447.4
23%
473
30%
454
24%
501.7
37%
Brightness
372
520
40%
420
13%
434
17%
426
15%
501
35%
Brightness Distribution
91
86
-5%
85
-7%
86
-5%
91
0%
82
-10%
Black Level *
0.03
0.39
-1200%
0.31
-933%
0.39
-1200%
0.33
-1000%
0.32
-967%
Contrast
12167
1410
-88%
1443
-88%
1213
-90%
1376
-89%
1568
-87%
Colorchecker dE 2000 *
7.6
2.12
72%
4.23
44%
5.18
32%
1.27
83%
5.48
28%
Colorchecker dE 2000 max. *
12.9
3.66
72%
9.34
28%
10.01
22%
2.42
81%
10.03
22%
Colorchecker dE 2000 calibrated *
4.1
1.37
67%
1.32
68%
0.78
81%
2.22
46%
Greyscale dE 2000 *
5.4
2.6
52%
6.1
-13%
7.04
-30%
1.07
80%
8.1
-50%
Gamma
1.6 138%
2.3 96%
2.11 104%
2.35 94%
2.39 92%
2.07 106%
CCT
6327 103%
6884 94%
6136 106%
6753 96%
6530 100%
6730 97%
Color Space (Percent of AdobeRGB 1998)
92
65.4
-29%
64.8
-30%
65
-29%
74.1
-19%
Color Space (Percent of sRGB)
100
99.7
0%
98.9
-1%
100
0%
100
0%
Total Average (Program / Settings)
62% / -9%
-726% / -319%
-818% / -419%
-363% / -224%
-532% / -249%

* ... smaller is better

CalMAN Grayscale (target color space P3)
CalMAN Grayscale (target color space P3)
CalMAN Saturation Sweeps (target color space P3)
CalMAN Saturation Sweeps (target color space P3)
CalMAN ColorChecker (target color space P3)
CalMAN ColorChecker (target color space P3)

Asus advertises full P3 color gamut, so our measurements (CalMAN + X-Rite i1 Pro 2 spectrophotometer) used the P3 reference color space. We were surprised by pretty high deviations, both for the grayscale as well as the colors. There is at least no visible color cast.

CalMAN Grayscale calibrated (target color space P3)
CalMAN Grayscale calibrated (target color space P3)
CalMAN Saturation Sweeps calibrated (target color space P3)
CalMAN Saturation Sweeps calibrated (target color space P3)
CalMAN ColorChecker calibrated (target color space P3)
CalMAN ColorChecker calibrated (target color space P3)

Our calibration improved the grayscale, but the comparatively high color deviations are still visible. This means the OLED screen, despite the high color gamut (98.6 % P3) is not really suited for serious picture or video editing, because the colors just deviate too much and compromise the results.

vs. sRGB: 100 % (3D comparison Argyll)
vs. sRGB: 100 % (3D comparison Argyll)
vs. AdobeRGB: 92 % (3D comparison Argyll)
vs. AdobeRGB: 92 % (3D comparison Argyll)
vs. P3: 98.6 % (2D comparison CalMAN)
vs. P3: 98.6 % (2D comparison CalMAN)

Display Response Times

Display response times show how fast the screen is able to change from one color to the next. Slow response times can lead to afterimages and can cause moving objects to appear blurry (ghosting). Gamers of fast-paced 3D titles should pay special attention to fast response times.
       Response Time Black to White
2.8 ms ... rise ↗ and fall ↘ combined↗ 1.4 ms rise
↘ 1.4 ms fall
The screen shows very fast response rates in our tests and should be very well suited for fast-paced gaming.
In comparison, all tested devices range from 0.1 (minimum) to 240 (maximum) ms. » 8 % of all devices are better.
This means that the measured response time is better than the average of all tested devices (21.6 ms).
       Response Time 50% Grey to 80% Grey
2 ms ... rise ↗ and fall ↘ combined↗ 1 ms rise
↘ 1 ms fall
The screen shows very fast response rates in our tests and should be very well suited for fast-paced gaming.
In comparison, all tested devices range from 0.2 (minimum) to 636 (maximum) ms. » 5 % of all devices are better.
This means that the measured response time is better than the average of all tested devices (33.9 ms).

Screen Flickering / PWM (Pulse-Width Modulation)

To dim the screen, some notebooks will simply cycle the backlight on and off in rapid succession - a method called Pulse Width Modulation (PWM) . This cycling frequency should ideally be undetectable to the human eye. If said frequency is too low, users with sensitive eyes may experience strain or headaches or even notice the flickering altogether.
Screen flickering / PWM detected 59.5 Hz ≤ 70 % brightness setting

The display backlight flickers at 59.5 Hz (worst case, e.g., utilizing PWM) Flickering detected at a brightness setting of 70 % and below. There should be no flickering or PWM above this brightness setting.

The frequency of 59.5 Hz is very low, so the flickering may cause eyestrain and headaches after extended use.

In comparison: 53 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 18110 (minimum: 5 - maximum: 3846000) Hz was measured.

The touchscreen of the ZenBook is pretty glossy, but the brightness is usually sufficient to compensate reflections if you work indoors. Outdoor, however, you have to avoid reflections from bright surfaces or direct light sources.

The viewing angle stability of the OLED screen is excellent in general, because the picture is stable even from very wide angles and there is no contrast drop. However, there is a small area when you move to the sides where you can see a slight blue/green hue, but this is hard to capture with a camera.

In the sun
In the sun
In the sun
In the sun
Viewing angles
Viewing angles

Performance - Tiger Lake and NVMe-SSD

The preloaded Asus software offers three different performance settings, which will change the power consumption of the processor as well as the fan speed. We have listed the individual settings in the table below. However, it seems that these settings still require some work, because the fan is very restrained in all three modes and the higher TDP values just cannot be utilized. If we switch from the default Windows power plan Asus Recommended to Balanced, the fan will get much louder, but the PowerLimits are lower (30/19.5W) and the performance is lower as well. We used the default setting (power plan Asus Recommended + standard fan mode) for our benchmarks/measurements as well as the rating. We will also add results from other fan modes in individual sections.

Fan Profiles MyAsus App
Fan Profile PowerLimits Mains Powerlimits Battery
Silent Mode 25/15 Watts 25/15 Watts
Standard Mode 51/25 Watts 51/15 Watts
Performance Mode 51/35 Watts only available on mains

Processor

Our test model of the ZenBook Flip S is equipped with the brand-new Tiger Lake processor Core i7-1165G7 from Intel. It is still a quad-core (10nm+) with a base frequency of 2.8 GHz. The Turbo for one active clock is extremely high at 4.7 GHz and all four cores simultaneously can reach up to 4.1 GHz. Please see our tech section for more details on the new CPU.

We have already talked about the TDP configuration, but the ZenBook can only maintain high values for a couple of seconds, even when you select the performance fan mode. This results in a high initial result, followed by a pretty big drop and the chip quickly levels off at a consumption of just 15W. This means the average result during our Cinebench loop is very similar for all three fan modes, which is clearly visible in the following diagram. For comparison: The same Tiger Lake processor in the slightly larger Asus ZenBook UX425 levels off at around 650 points.

050100150200250300350400450500550600650700750800Tooltip
Asus ZenBook Flip S UX371; Performance Mode: Ø530 (502.41-808.1)
Asus ZenBook Flip S UX371; Standard Mode: Ø525 (492.36-749.48)
Asus ZenBook Flip S UX371; Silent Mode: Ø478 (358.13-605.84)

The Flip S performs very well in single-core test, because the reduced TDP values are not important in this case and the CPU can benefit from the high Turbo Boost frequency. However, the CPU falls behind in multi-core tests and is often beaten by previous CPUs. The CPU performance is also about 20% lower on battery power.

This means the performance is still more than sufficient for everyday tasks, but we would have liked to see a better utilization of the Tiger Lake processor, at least in the so called performance fan mode, even though this would have resulted in a louder fan noise (more on that later).

Cinebench R20: CPU (Single Core) | CPU (Multi Core)
Cinebench R15: CPU Single 64Bit | CPU Multi 64Bit
Blender: v2.79 BMW27 CPU
7-Zip 18.03: 7z b 4 -mmt1 | 7z b 4
Geekbench 5.5: Single-Core | Multi-Core
HWBOT x265 Benchmark v2.2: 4k Preset
LibreOffice : 20 Documents To PDF
R Benchmark 2.5: Overall mean
Cinebench R20 / CPU (Single Core)
Average of class Convertible
  (116.8 - 755, n=64, last 2 years)
602 Points +25%
Average Intel Core i7-1165G7
  (442 - 589, n=81)
552 Points +15%
Asus ZenBook 14 UX425EA
Intel Core i7-1165G7
543 Points +13%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7
480 Points
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
465 Points -3%
Asus VivoBook Flip 14 TM420IA
AMD Ryzen 7 4700U
461 Points -4%
Lenovo Yoga C940-14IIL 81Q9
Intel Core i7-1065G7
452 Points -6%
Acer Spin 5 SP513-54N-79EY
Intel Core i7-1065G7
450 Points -6%
Samsung Galaxy Book Flex 13.3
Intel Core i5-1035G4
417 Points -13%
HP Spectre x360 13-aw0013dx
Intel Core i7-1065G7
377 Points -21%
Cinebench R20 / CPU (Multi Core)
Average of class Convertible
  (242 - 6954, n=65, last 2 years)
3478 Points +171%
Asus VivoBook Flip 14 TM420IA
AMD Ryzen 7 4700U
2829 Points +120%
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
2024 Points +58%
Average Intel Core i7-1165G7
  (1060 - 2657, n=81)
1967 Points +53%
Asus ZenBook 14 UX425EA
Intel Core i7-1165G7
1728 Points +34%
HP Spectre x360 13-aw0013dx
Intel Core i7-1065G7
1655 Points +29%
Lenovo Yoga C940-14IIL 81Q9
Intel Core i7-1065G7
1590 Points +24%
Acer Spin 5 SP513-54N-79EY
Intel Core i7-1065G7
1568 Points +22%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7
1285 Points
Samsung Galaxy Book Flex 13.3
Intel Core i5-1035G4
1210 Points -6%
Cinebench R15 / CPU Single 64Bit
Average of class Convertible
  (68.6 - 287, n=64, last 2 years)
229 Points +8%
Asus ZenBook 14 UX425EA
Intel Core i7-1165G7
214 Points 0%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7
213 Points
Average Intel Core i7-1165G7
  (115 - 230, n=78)
212 Points 0%
Asus VivoBook Flip 14 TM420IA
AMD Ryzen 7 4700U
182 Points -15%
Lenovo Yoga C940-14IIL 81Q9
Intel Core i7-1065G7
181 Points -15%
Acer Spin 5 SP513-54N-79EY
Intel Core i7-1065G7
178.1 Points -16%
HP Spectre x360 13-aw0013dx
Intel Core i7-1065G7
178 Points -16%
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
174 Points -18%
Samsung Galaxy Book Flex 13.3
Intel Core i5-1035G4
164.6 Points -23%
Cinebench R15 / CPU Multi 64Bit
Average of class Convertible
  (110.1 - 2889, n=66, last 2 years)
1554 Points +92%
Asus VivoBook Flip 14 TM420IA
AMD Ryzen 7 4700U
1049 (803.97min - 1049.04max) Points +30%
Average Intel Core i7-1165G7
  (553 - 1027, n=86)
846 Points +5%
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
830 Points +3%
Asus ZenBook 14 UX425EA
Intel Core i7-1165G7
810 (629.83min - 862.05max) Points 0%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7
808 Points
Asus ZenBook Flip S UX371
Intel Core i7-1165G7
749 Points -7%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7
606 Points -25%
Lenovo Yoga C940-14IIL 81Q9
Intel Core i7-1065G7
749 Points -7%
Acer Spin 5 SP513-54N-79EY
Intel Core i7-1065G7
662 (649.58min - 662max) Points -18%
HP Spectre x360 13-aw0013dx
Intel Core i7-1065G7
643 Points -20%
Samsung Galaxy Book Flex 13.3
Intel Core i5-1035G4
573 (415.92min - 573.64max) Points -29%
Blender / v2.79 BMW27 CPU
Samsung Galaxy Book Flex 13.3
Intel Core i5-1035G4
1075 Seconds * -12%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7
958 Seconds *
Acer Spin 5 SP513-54N-79EY
Intel Core i7-1065G7
722 Seconds * +25%
Asus ZenBook 14 UX425EA
Intel Core i7-1165G7
694 Seconds * +28%
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
679 Seconds * +29%
Average Intel Core i7-1165G7
  (468 - 1138, n=80)
618 Seconds * +35%
Average of class Convertible
  (193 - 3620, n=60, last 2 years)
464 Seconds * +52%
Asus VivoBook Flip 14 TM420IA
AMD Ryzen 7 4700U
447 Seconds * +53%
7-Zip 18.03 / 7z b 4 -mmt1
Average Intel Core i7-1165G7
  (4478 - 5507, n=80)
5182 MIPS +11%
Average of class Convertible
  (2046 - 6417, n=62, last 2 years)
5156 MIPS +11%
Asus ZenBook 14 UX425EA
Intel Core i7-1165G7
5096 MIPS +10%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7
4651 MIPS
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
4434 MIPS -5%
Asus VivoBook Flip 14 TM420IA
AMD Ryzen 7 4700U
4422 MIPS -5%
Acer Spin 5 SP513-54N-79EY
Intel Core i7-1065G7
4415 MIPS -5%
Samsung Galaxy Book Flex 13.3
Intel Core i5-1035G4
4125 MIPS -11%
7-Zip 18.03 / 7z b 4
Average of class Convertible
  (7703 - 72400, n=63, last 2 years)
39319 MIPS +153%
Asus VivoBook Flip 14 TM420IA
AMD Ryzen 7 4700U
31114 MIPS +100%
Average Intel Core i7-1165G7
  (15347 - 27405, n=80)
22935 MIPS +47%
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
22898 MIPS +47%
Asus ZenBook 14 UX425EA
Intel Core i7-1165G7
21036 MIPS +35%
Acer Spin 5 SP513-54N-79EY
Intel Core i7-1065G7
18831 MIPS +21%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7
15556 MIPS
Samsung Galaxy Book Flex 13.3
Intel Core i5-1035G4
12865 MIPS -17%
Geekbench 5.5 / Single-Core
Average of class Convertible
  (319 - 1981, n=67, last 2 years)
1576 Points +1%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7
1566 Points
Average Intel Core i7-1165G7
  (1302 - 1595, n=77)
1524 Points -3%
Asus ZenBook 14 UX425EA
Intel Core i7-1165G7
1523 Points -3%
Samsung Galaxy Book Flex 13.3
Intel Core i5-1035G4
1277 Points -18%
Acer Spin 5 SP513-54N-79EY
Intel Core i7-1065G7
1274 Points -19%
Asus VivoBook Flip 14 TM420IA
AMD Ryzen 7 4700U
1157 Points -26%
Geekbench 5.5 / Multi-Core
Average of class Convertible
  (663 - 14016, n=67, last 2 years)
7949 Points +46%
Asus ZenBook 14 UX425EA
Intel Core i7-1165G7
5456 Points 0%
Asus VivoBook Flip 14 TM420IA
AMD Ryzen 7 4700U
5443 Points 0%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7
5441 Points
Average Intel Core i7-1165G7
  (3078 - 5926, n=77)
5155 Points -5%
Samsung Galaxy Book Flex 13.3
Intel Core i5-1035G4
4250 Points -22%
Acer Spin 5 SP513-54N-79EY
Intel Core i7-1065G7
3979 Points -27%
HWBOT x265 Benchmark v2.2 / 4k Preset
Average of class Convertible
  (0.61 - 20.1, n=64, last 2 years)
10.3 fps +168%
Asus VivoBook Flip 14 TM420IA
AMD Ryzen 7 4700U
8.81 fps +129%
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
6.38 fps +66%
Average Intel Core i7-1165G7
  (1.39 - 8.47, n=80)
6.3 fps +64%
Asus ZenBook 14 UX425EA
Intel Core i7-1165G7
5.34 fps +39%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7
3.84 fps
Samsung Galaxy Book Flex 13.3
Intel Core i5-1035G4
3.41 fps -11%
LibreOffice / 20 Documents To PDF
Samsung Galaxy Book Flex 13.3
Intel Core i5-1035G4
59.8 s * -5%
Asus VivoBook Flip 14 TM420IA
AMD Ryzen 7 4700U
57 s * -1%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7
56.7 s *
Average of class Convertible
  (42 - 223, n=62, last 2 years)
54.8 s * +3%
Acer Spin 5 SP513-54N-79EY
Intel Core i7-1065G7
54.6 s * +4%
Average Intel Core i7-1165G7
  (21.5 - 88.1, n=78)
49.2 s * +13%
Asus ZenBook 14 UX425EA
Intel Core i7-1165G7
47.9 s * +16%
R Benchmark 2.5 / Overall mean
Samsung Galaxy Book Flex 13.3
Intel Core i5-1035G4
0.745 sec * -15%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7
0.649 sec *
Asus VivoBook Flip 14 TM420IA
AMD Ryzen 7 4700U
0.611 sec * +6%
Average Intel Core i7-1165G7
  (0.552 - 1.002, n=80)
0.594 sec * +8%
Asus ZenBook 14 UX425EA
Intel Core i7-1165G7
0.593 sec * +9%
Average of class Convertible
  (0.4102 - 1.967, n=62, last 2 years)
0.546 sec * +16%

* ... smaller is better

Cinebench R10 Shading 32Bit
15732
Cinebench R10 Rendering Single 32Bit
7815
Cinebench R10 Rendering Multiple CPUs 32Bit
15248
Cinebench R11.5 CPU Single 64Bit
2.16 Points
Cinebench R11.5 CPU Multi 64Bit
5.26 Points
Cinebench R11.5 OpenGL 64Bit
54.2 fps
Cinebench R15 CPU Multi 64Bit
808 Points
Cinebench R15 CPU Single 64Bit
213 Points
Cinebench R15 Ref. Match 64Bit
97.8 %
Cinebench R15 OpenGL 64Bit
92.5 fps
Help

System Performance

Our test device performs well in the synthetic benchmarks and this mirrors our impressions from the review period: Thanks to the modern processor and the fast NVMe-SSD, the ZenBook Flip S is a very responsive system. We had some problems with blue screens when we received the device, but these problems were gone after we updated to BIOS version 204.

PCMark 10
Score
Average of class Convertible
  (1486 - 7963, n=59, last 2 years)
5616 Points +22%
Average Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs
  (4531 - 5454, n=50)
4959 Points +8%
Dell XPS 13 7390 2-in-1 Core i7
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Toshiba BG4 KBG40ZPZ512G
4677 Points +2%
Lenovo Yoga C940-14IIL 81Q9
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Samsung PM981a MZVLB1T0HBLR
4633 Points +1%
Asus ZenBook Flip S UX371
Iris Xe G7 96EUs, i7-1165G7, WDC PC SN730 SDBPNTY-1T00
4601 Points
HP Spectre x360 13-aw0013dx
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H)
4522 Points -2%
Acer Spin 5 SP513-54N-79EY
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Samsung PM991 MZVLQ1T0HALB
4158 Points -10%
Essentials
Average of class Convertible
  (3975 - 12059, n=59, last 2 years)
10504 Points +6%
Average Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs
  (8997 - 11505, n=50)
10014 Points +1%
Lenovo Yoga C940-14IIL 81Q9
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Samsung PM981a MZVLB1T0HBLR
9902 Points 0%
Asus ZenBook Flip S UX371
Iris Xe G7 96EUs, i7-1165G7, WDC PC SN730 SDBPNTY-1T00
9874 Points
Dell XPS 13 7390 2-in-1 Core i7
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Toshiba BG4 KBG40ZPZ512G
9678 Points -2%
HP Spectre x360 13-aw0013dx
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H)
9664 Points -2%
Acer Spin 5 SP513-54N-79EY
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Samsung PM991 MZVLQ1T0HALB
9233 Points -6%
Productivity
Average of class Convertible
  (2764 - 10800, n=59, last 2 years)
7383 Points +13%
Dell XPS 13 7390 2-in-1 Core i7
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Toshiba BG4 KBG40ZPZ512G
7179 Points +9%
HP Spectre x360 13-aw0013dx
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H)
7051 Points +7%
Lenovo Yoga C940-14IIL 81Q9
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Samsung PM981a MZVLB1T0HBLR
6989 Points +7%
Average Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs
  (5570 - 7136, n=50)
6711 Points +2%
Asus ZenBook Flip S UX371
Iris Xe G7 96EUs, i7-1165G7, WDC PC SN730 SDBPNTY-1T00
6560 Points
Acer Spin 5 SP513-54N-79EY
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Samsung PM991 MZVLQ1T0HALB
5763 Points -12%
Digital Content Creation
Average of class Convertible
  (811 - 12360, n=59, last 2 years)
6335 Points +55%
Average Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs
  (4083 - 5550, n=50)
4937 Points +21%
Asus ZenBook Flip S UX371
Iris Xe G7 96EUs, i7-1165G7, WDC PC SN730 SDBPNTY-1T00
4083 Points
Dell XPS 13 7390 2-in-1 Core i7
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Toshiba BG4 KBG40ZPZ512G
3998 Points -2%
Lenovo Yoga C940-14IIL 81Q9
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Samsung PM981a MZVLB1T0HBLR
3902 Points -4%
HP Spectre x360 13-aw0013dx
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H)
3684 Points -10%
Acer Spin 5 SP513-54N-79EY
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Samsung PM991 MZVLQ1T0HALB
3667 Points -10%
PCMark 8
Home Score Accelerated v2
Average of class Convertible
  (4404 - 5830, n=3, last 2 years)
4890 Points +20%
Average Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs
  (3769 - 5686, n=17)
4459 Points +9%
Acer Spin 5 SP513-54N-79EY
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Samsung PM991 MZVLQ1T0HALB
4275 Points +4%
Asus ZenBook Flip S UX371
Iris Xe G7 96EUs, i7-1165G7, WDC PC SN730 SDBPNTY-1T00
4092 Points
Dell XPS 13 7390 2-in-1 Core i7
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Toshiba BG4 KBG40ZPZ512G
3982 Points -3%
HP Spectre x360 13-aw0013dx
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H)
3911 Points -4%
Lenovo Yoga C940-14IIL 81Q9
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Samsung PM981a MZVLB1T0HBLR
3448 Points -16%
Work Score Accelerated v2
HP Spectre x360 13-aw0013dx
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H)
5227 Points +115%
Dell XPS 13 7390 2-in-1 Core i7
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Toshiba BG4 KBG40ZPZ512G
5086 Points +109%
Lenovo Yoga C940-14IIL 81Q9
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Samsung PM981a MZVLB1T0HBLR
4382 Points +80%
Average of class Convertible
  (2921 - 6089, n=3, last 2 years)
4045 Points +66%
Average Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs
  (2431 - 3221, n=15)
2940 Points +21%
Acer Spin 5 SP513-54N-79EY
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Samsung PM991 MZVLQ1T0HALB
2723 Points +12%
Asus ZenBook Flip S UX371
Iris Xe G7 96EUs, i7-1165G7, WDC PC SN730 SDBPNTY-1T00
2435 Points
PCMark 8 Home Score Accelerated v2
4092 points
PCMark 8 Creative Score Accelerated v2
7092 points
PCMark 8 Work Score Accelerated v2
2435 points
PCMark 10 Score
4601 points
Help

DPC Latencies

LatencyMon Main
LatencyMon Main
LatencyMon Drivers
LatencyMon Drivers
DPC Latencies / LatencyMon - interrupt to process latency (max), Web, Youtube, Prime95
Asus ZenBook 14 UX425EA
Iris Xe G7 96EUs, i7-1165G7, Intel SSD 660p 1TB SSDPEKNW010T8
1030 μs * -176%
Samsung Galaxy Book Flex 13.3
Iris Plus Graphics G4 (Ice Lake 48 EU), i5-1035G4, Samsung SSD PM981a MZVLB256HBHQ
938 μs * -151%
Acer Spin 5 SP513-54N-79EY
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Samsung PM991 MZVLQ1T0HALB
676 μs * -81%
Asus VivoBook Flip 14 TM420IA
Vega 7, R7 4700U, Samsung PM991 MZVLQ512HALU
589 μs * -58%
Asus ZenBook Flip S UX371
Iris Xe G7 96EUs, i7-1165G7, WDC PC SN730 SDBPNTY-1T00
373 μs *

* ... smaller is better

Storage Devices - Flip S with PCIe-SSD or Optane Storage

Replaceable M.2-2280 SSD
Replaceable M.2-2280 SSD

Asus uses a fast PCIe-SSD with the M.2-2280 form factor. There are models with conventional PCIe-SSDs, but also Intel's Optane memory. Our test unit is equipped with a "standard" PCIe-SSD with a capacity of 1 TB (909 GB free after initial setup), which is provided by Western Digital. The drive performs very well in our synthetic benchmarks.

Asus ZenBook Flip S UX371
WDC PC SN730 SDBPNTY-1T00
Dell XPS 13 7390 2-in-1 Core i7
Toshiba BG4 KBG40ZPZ512G
HP Spectre x360 13-aw0013dx
Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H)
Samsung Galaxy Book Flex 13.3
Samsung SSD PM981a MZVLB256HBHQ
Acer Spin 5 SP513-54N-79EY
Samsung PM991 MZVLQ1T0HALB
Lenovo Yoga C940-14IIL 81Q9
Samsung PM981a MZVLB1T0HBLR
Average WDC PC SN730 SDBPNTY-1T00
 
CrystalDiskMark 5.2 / 6
-3%
9%
23%
21%
18%
21%
Write 4K
133.4
106.7
-20%
112.6
-16%
157.9
18%
168.4
26%
128.6
-4%
139.9 ?(89.9 - 185.8, n=20)
5%
Read 4K
36.52
49.94
37%
131
259%
48.37
32%
55
51%
45.25
24%
44.5 ?(31 - 50.7, n=20)
22%
Write Seq
1901
1223
-36%
458.9
-76%
2196
16%
1949
3%
2346 ?(1790 - 2983, n=19)
23%
Read Seq
2027
1801
-11%
1355
-33%
2064
2%
2359
16%
2102 ?(1615 - 2531, n=19)
4%
Write 4K Q32T1
317.8
325.3
2%
341.3
7%
457
44%
476.1
50%
445
40%
442 ?(318 - 573, n=20)
39%
Read 4K Q32T1
299.1
551
84%
320.6
7%
514
72%
506
69%
404.5
35%
460 ?(296 - 579, n=20)
54%
Write Seq Q32T1
2602
1224
-53%
1219
-53%
2354
-10%
1492
-43%
3019
16%
3049 ?(2602 - 3102, n=20)
17%
Read Seq Q32T1
3142
2350
-25%
2462
-22%
3557
13%
2357
-25%
3564
13%
3285 ?(2871 - 3433, n=20)
5%
Write 4K Q8T8
930
1012 ?(406 - 1619, n=2)
Read 4K Q8T8
963
1300 ?(930 - 1670, n=2)
AS SSD
-214%
-71%
-6%
-11%
-13%
11%
Seq Read
2726
1801
-34%
1039
-62%
2637
-3%
2071
-24%
2213
-19%
2606 ?(1886 - 2986, n=20)
-4%
Seq Write
1527
1125
-26%
310.1
-80%
2000
31%
1462
-4%
1401
-8%
1935 ?(928 - 2657, n=20)
27%
4K Read
45.44
39.7
-13%
76
67%
52.7
16%
49.82
10%
55.2
21%
42.9 ?(29.8 - 49.3, n=20)
-6%
4K Write
152
67
-56%
118
-22%
148.4
-2%
140.7
-7%
130.3
-14%
129.1 ?(52 - 221, n=20)
-15%
4K-64 Read
789
1253
59%
371.8
-53%
647
-18%
869
10%
878
11%
1361 ?(789 - 1734, n=20)
72%
4K-64 Write
1345
209
-84%
469.5
-65%
865
-36%
729
-46%
1478
10%
1920 ?(846 - 2797, n=20)
43%
Access Time Read *
0.068
0.069
-1%
0.067
1%
0.072
-6%
0.069
-1%
0.036
47%
0.0689 ?(0.041 - 0.157, n=20)
-1%
Access Time Write *
0.028
0.625
-2132%
0.138
-393%
0.026
7%
0.028
-0%
0.086
-207%
0.06215 ?(0.017 - 0.36, n=20)
-122%
Score Read
1107
1472
33%
552
-50%
963
-13%
1126
2%
1154
4%
1664 ?(1107 - 2070, n=20)
50%
Score Write
1650
388
-76%
618
-63%
1214
-26%
1016
-38%
1748
6%
2242 ?(1188 - 3011, n=20)
36%
Score Total
3274
2583
-21%
1448
-56%
2653
-19%
2700
-18%
3467
6%
4726 ?(3274 - 5673, n=20)
44%
Copy ISO MB/s
1293
764
1574
2161
2041 ?(1007 - 2903, n=16)
Copy Program MB/s
560
465.8
553
572
552 ?(43.1 - 1072, n=16)
Copy Game MB/s
927
764
993
1433
1183 ?(357 - 1627, n=16)
Total Average (Program / Settings)
-109% / -125%
-31% / -37%
9% / 6%
5% / 1%
3% / 0%
16% / 15%

* ... smaller is better

WDC PC SN730 SDBPNTY-1T00
CDM 5/6 Read Seq Q32T1: 3142 MB/s
CDM 5/6 Write Seq Q32T1: 2602 MB/s
CDM 5/6 Read 4K Q32T1: 299.1 MB/s
CDM 5/6 Write 4K Q32T1: 317.8 MB/s
CDM 5 Read Seq: 2027 MB/s
CDM 5 Write Seq: 1901 MB/s
CDM 5/6 Read 4K: 36.52 MB/s
CDM 5/6 Write 4K: 133.4 MB/s

DiskSpd Read Loop, Queue Depth 8

No graph data

GPU Performance

GPU-Z Intel Xe Graphics G7
GPU-Z Intel Xe Graphics G7

The highlight of the new Tiger Lake processor is definitely the integrated graphics adapter, which is much more powerful than before. The iGPU has the designation Intel Xe Graphics G7 and has 96 shader units at a maximum clock of 1300 MHz. More specs about the iGPU are available here.

The three fan modes have a bigger impact on the iGPU, at least the silent mode, where the performance will drop noticeably (see table below). There is only a small difference between the standard and the performance fan mode with the advantage for the standard mode. This once again shows that there is some optimization work required. The performance is once again not stable for sustained workloads. The test device passes the Fire Strike stress test, but fails the more challenging Time Spy stress test (-20%).

3DMark Fire Strike
Fan Profile Score Graphics Physics
Silent Mode 1595 2586 4469
Standard Mode 4115 5107 9166
Performance Mode 4015 4950 8829
Battery + Standard Mode 3607 4151 8794

The new iGPU is still ahead of the old Iris Plus iGPUs, but the ZenBook 14 UX425 (~30% faster) once again show that there is much more performance in the chip. The Flip S is still ahead of the dedicated GeForce MX250 and the integrated AMD Radeon RX Vega 7 in the synthetic tests.

3DMark 11 - 1280x720 Performance GPU
Average of class Convertible
  (471 - 40768, n=64, last 2 years)
7541 Points +50%
Asus ZenBook 14 UX425EA
Intel Iris Xe Graphics G7 96EUs, Intel Core i7-1165G7
6563 Points +31%
Average Intel Iris Xe Graphics G7 96EUs
  (2867 - 7471, n=192)
6342 Points +26%
Asus ZenBook Flip S UX371
Intel Iris Xe Graphics G7 96EUs, Intel Core i7-1165G7
5018 Points
Asus VivoBook Flip 14 TM420IA
AMD Radeon RX Vega 7, AMD Ryzen 7 4700U
4927 Points -2%
Lenovo Yoga C940-14IIL 81Q9
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
4630 Points -8%
Dell XPS 13 7390 2-in-1 Core i7
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
4594 Points -8%
Acer Spin 5 SP513-54N-79EY
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
4560 Points -9%
HP Spectre x360 13-aw0013dx
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
4512 Points -10%
Asus ZenBook 14 UX434FL-DB77
NVIDIA GeForce MX250, Intel Core i7-8565U
3585 Points -29%
Samsung Galaxy Book Flex 13.3
Intel Iris Plus Graphics G4 (Ice Lake 48 EU), Intel Core i5-1035G4
3258 Points -35%
3DMark
1280x720 Cloud Gate Standard Graphics
Average of class Convertible
  (2965 - 154219, n=50, last 2 years)
31444 Points
Asus ZenBook 14 UX425EA
Intel Iris Xe Graphics G7 96EUs, Intel Core i7-1165G7
27289 Points
Average Intel Iris Xe Graphics G7 96EUs
  (13162 - 38040, n=168)
26187 Points
Asus VivoBook Flip 14 TM420IA
AMD Radeon RX Vega 7, AMD Ryzen 7 4700U
21630 Points
Asus ZenBook 14 UX434FL-DB77
NVIDIA GeForce MX250, Intel Core i7-8565U
20445 Points
Dell XPS 13 7390 2-in-1 Core i7
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
18881 Points
HP Spectre x360 13-aw0013dx
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
17712 Points
Lenovo Yoga C940-14IIL 81Q9
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
16268 Points
Acer Spin 5 SP513-54N-79EY
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
15287 Points
1920x1080 Fire Strike Graphics
Average of class Convertible
  (365 - 29684, n=64, last 2 years)
5690 Points +11%
Asus ZenBook 14 UX425EA
Intel Iris Xe Graphics G7 96EUs, Intel Core i7-1165G7
5139 Points +1%
Asus ZenBook Flip S UX371
Intel Iris Xe Graphics G7 96EUs, Intel Core i7-1165G7
5107 Points
Average Intel Iris Xe Graphics G7 96EUs
  (2286 - 6143, n=204)
4897 Points -4%
Dell XPS 13 7390 2-in-1 Core i7
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
3144 Points -38%
Asus VivoBook Flip 14 TM420IA
AMD Radeon RX Vega 7, AMD Ryzen 7 4700U
3036 Points -41%
Lenovo Yoga C940-14IIL 81Q9
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
2973 Points -42%
Asus ZenBook 14 UX434FL-DB77
NVIDIA GeForce MX250, Intel Core i7-8565U
2945 Points -42%
HP Spectre x360 13-aw0013dx
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
2874 Points -44%
Acer Spin 5 SP513-54N-79EY
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
2504 Points -51%
Samsung Galaxy Book Flex 13.3
Intel Iris Plus Graphics G4 (Ice Lake 48 EU), Intel Core i5-1035G4
2041 Points -60%
2560x1440 Time Spy Graphics
Average of class Convertible
  (94 - 11749, n=63, last 2 years)
1943 Points +78%
Average Intel Iris Xe Graphics G7 96EUs
  (707 - 1871, n=201)
1493 Points +37%
Asus ZenBook 14 UX425EA
Intel Iris Xe Graphics G7 96EUs, Intel Core i7-1165G7
1401 Points +29%
Asus ZenBook Flip S UX371
Intel Iris Xe Graphics G7 96EUs, Intel Core i7-1165G7
1089 Points
Asus VivoBook Flip 14 TM420IA
AMD Radeon RX Vega 7, AMD Ryzen 7 4700U
903 Points -17%
Asus ZenBook 14 UX434FL-DB77
NVIDIA GeForce MX250, Intel Core i7-8565U
886 Points -19%
Dell XPS 13 7390 2-in-1 Core i7
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
833 Points -24%
Lenovo Yoga C940-14IIL 81Q9
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
825 Points -24%
Acer Spin 5 SP513-54N-79EY
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
791 Points -27%
HP Spectre x360 13-aw0013dx
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
685 Points -37%
Samsung Galaxy Book Flex 13.3
Intel Iris Plus Graphics G4 (Ice Lake 48 EU), Intel Core i5-1035G4
652 Points -40%
3DMark 11 Performance
4885 points
3DMark Ice Storm Standard Score
66515 points
3DMark Fire Strike Score
4115 points
3DMark Time Spy Score
1192 points
Help

Gaming Performance

The new Intel Xe graphics G7 is generally powerful enough for games, but we can once again see performance drops in this case. This is shown by the Witcher 3 loop (Medium preset), where the frames per second quickly drop from 30 to 20, so the title is hardly playable anymore. The gaming performance is also worse compared to previous chip generations, so Asus should definitely have another look at the performance.

The Witcher 3
1024x768 Low Graphics & Postprocessing
Average of class Convertible
  (35 - 354, n=57, last 2 years)
96.2 fps +196%
Average Intel Iris Xe Graphics G7 96EUs
  (28.9 - 110, n=180)
83.8 fps +158%
Asus ZenBook 14 UX425EA
Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs
74.4 (38min - 89max) fps +129%
Asus ZenBook 14 UX434FL-DB77
Intel Core i7-8565U, NVIDIA GeForce MX250
59.5 (54min - 72max) fps +83%
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7, Intel Iris Plus Graphics G7 (Ice Lake 64 EU)
54.9 fps +69%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs
32.5 fps
1366x768 Medium Graphics & Postprocessing
Average of class Convertible
  (27.9 - 257, n=56, last 2 years)
62.2 fps +191%
Average Intel Iris Xe Graphics G7 96EUs
  (21.4 - 74.1, n=178)
53.4 fps +150%
Asus ZenBook 14 UX425EA
Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs
41 (37min - 45max) fps +92%
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7, Intel Iris Plus Graphics G7 (Ice Lake 64 EU)
34.4 fps +61%
Asus ZenBook 14 UX434FL-DB77
Intel Core i7-8565U, NVIDIA GeForce MX250
33 (30min - 36max) fps +54%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs
21.4 (14min, 19.05P1 - 30max) fps
1920x1080 High Graphics & Postprocessing (Nvidia HairWorks Off)
Average of class Convertible
  (13.5 - 155.3, n=56, last 2 years)
33.5 fps +216%
Average Intel Iris Xe Graphics G7 96EUs
  (10.6 - 45.9, n=183)
28.6 fps +170%
Asus ZenBook 14 UX425EA
Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs
25.4 (22min - 29max) fps +140%
Asus ZenBook 14 UX434FL-DB77
Intel Core i7-8565U, NVIDIA GeForce MX250
19.4 (16min - 24max) fps +83%
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7, Intel Iris Plus Graphics G7 (Ice Lake 64 EU)
17 fps +60%
Asus ZenBook Flip S UX371
Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs
10.6 fps
05101520253035404550556065707580859095100105110Tooltip
Asus ZenBook Flip S UX371 Iris Xe G7 96EUs, i7-1165G7, WDC PC SN730 SDBPNTY-1T00: Ø21.4 (14-30)
low med. high ultra4K
The Witcher 3 (2015) 32.5 21.4 10.6
Dota 2 Reborn (2015) 72.9 55.3 37.8 34.1 16.2
X-Plane 11.11 (2018) 33 24.5 21.8 12.1
Far Cry 5 (2018) 28 17 16 14
F1 2020 (2020) 51 28 22 15

Emissions - ZenBook stays quiet, but gets warm

System Noise

A single fan inside the chassis
A single fan inside the chassis

We have already mentioned that the fan stays very quiet as long as you use the default Windows power plan Asus Recommended. If you switch to Balanced, the fan will get much louder at almost 40 dB(A), but the TDP limits are actually lower so the performance is not improved (only lower temperatures). We believe Asus will tweak these settings, so you will get more performance when you select the performance fan mode.

With the current BIOS (204), we can only record a quiet murmur (30.9 dB(A)), which is hardly noticeable in a typical office environment. If you want the fan to be even quieter, you should select the silent mode, which makes the fan almost inaudible. We did not notice any other electronic sounds, either.

Noise Level

Idle
29 / 29 / 29 dB(A)
Load
30.9 / 30.9 dB(A)
  red to green bar
 
 
30 dB
silent
40 dB(A)
audible
50 dB(A)
loud
 
min: dark, med: mid, max: light   Audix TM-1, Arta (15 cm distance)   environment noise: 29 dB(A)
Asus ZenBook Flip S UX371
Iris Xe G7 96EUs, i7-1165G7, WDC PC SN730 SDBPNTY-1T00
Dell XPS 13 7390 2-in-1 Core i7
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Toshiba BG4 KBG40ZPZ512G
HP Spectre x360 13-aw0013dx
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H)
Samsung Galaxy Book Flex 13.3
Iris Plus Graphics G4 (Ice Lake 48 EU), i5-1035G4, Samsung SSD PM981a MZVLB256HBHQ
Acer Spin 5 SP513-54N-79EY
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Samsung PM991 MZVLQ1T0HALB
Lenovo Yoga C940-14IIL 81Q9
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Samsung PM981a MZVLB1T0HBLR
Noise
-10%
-2%
-9%
4%
-9%
off / environment *
29
28.1
3%
28.5
2%
30.7
-6%
26.9
7%
28.5
2%
Idle Minimum *
29
28.1
3%
28.5
2%
30.7
-6%
26.9
7%
28.5
2%
Idle Average *
29
28.1
3%
28.5
2%
30.7
-6%
26.9
7%
28.5
2%
Idle Maximum *
29
28.1
3%
28.5
2%
30.7
-6%
27.8
4%
29
-0%
Load Average *
30.9
31.7
-3%
28.5
8%
34.8
-13%
30.5
1%
33
-7%
Witcher 3 ultra *
30.9
43.4
-40%
35.3
-14%
34.5
-12%
40.7
-32%
Load Maximum *
30.9
43.4
-40%
35.3
-14%
34.5
-12%
32.4
-5%
39.5
-28%

* ... smaller is better

dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs2029.427.927.42527.825.425.83129.528.930.64026.127.628.25029.632.728.36324.325.124.58024.222.923.510026.628.1271252322.52216022.722.822.120021.922.32325021.922.22231522.520.622.340020.419.820.65002019.419.963020.318.820.280019.61820.3100019.417.319.6125020.216.820.1160019.716.719.3200019.216.219.225002015.519.4315017.915.617.5400017.215.517.3500016.915.616.8630016.115.616800015.815.615.81000015.615.515.61250015.515.315.51600015.215.115.3SPL30.92930.8N1.51.21.5median 19.7median 16.8median 19.6Delta2.92.53hearing rangehide median Fan NoiseAsus ZenBook Flip S UX371

Temperature

Stress test
Stress test

We have already seen that the performance of the Tiger Lake processor quickly drops under sustained workloads, but because of the low fan speed, we can still detect pretty high surface temperatures. After our one-hour stress test, we can measure more than 50 °C at the bottom rear, so you should not use the convertible on your lap in this scenario. However, there are no problems when you perform more common tasks.

Over the course of the stress test, the power consumption of the processor will level off at 15 Watts, which has to be shared by the CPU and iGPU. As a result, the four CPU cores only run at little more than 1 GHz and the graphics adapter at 230 MHz.

Max. Load
 42.2 °C
108 F
41.8 °C
107 F
37.9 °C
100 F
 
 37 °C
99 F
37.6 °C
100 F
32.4 °C
90 F
 
 32.6 °C
91 F
29 °C
84 F
28.2 °C
83 F
 
Maximum: 42.2 °C = 108 F
Average: 35.4 °C = 96 F
42 °C
108 F
50.1 °C
122 F
48.2 °C
119 F
36.3 °C
97 F
44.7 °C
112 F
42.6 °C
109 F
30.4 °C
87 F
34.5 °C
94 F
34.9 °C
95 F
Maximum: 50.1 °C = 122 F
Average: 40.4 °C = 105 F
Power Supply (max.)  35.7 °C = 96 F | Room Temperature 20.6 °C = 69 F | Voltcraft IR-900
(±) The average temperature for the upper side under maximal load is 35.4 °C / 96 F, compared to the average of 30.2 °C / 86 F for the devices in the class Convertible.
(±) The maximum temperature on the upper side is 42.2 °C / 108 F, compared to the average of 35.3 °C / 96 F, ranging from 19.6 to 55.7 °C for the class Convertible.
(-) The bottom heats up to a maximum of 50.1 °C / 122 F, compared to the average of 36.7 °C / 98 F
(+) In idle usage, the average temperature for the upper side is 24.4 °C / 76 F, compared to the device average of 30.2 °C / 86 F.
(±) Playing The Witcher 3, the average temperature for the upper side is 35.9 °C / 97 F, compared to the device average of 30.2 °C / 86 F.
(+) The palmrests and touchpad are reaching skin temperature as a maximum (32.6 °C / 90.7 F) and are therefore not hot.
(-) The average temperature of the palmrest area of similar devices was 28.1 °C / 82.6 F (-4.5 °C / -8.1 F).
Surface temperatures stress test (top)
Surface temperatures stress test (top)
Surface temperatures stress test (bottom)
Surface temperatures stress test (bottom)

Speakers - Sound by harman/kardon

The two stereo speakers are located at the lower front edge and direct the sound towards the bottom. This sound is the reflected form a hard surface (like a table) towards the user in an ideal scenario. We really like the quality of the speakers, because the sound appears to be very rich and there is even a slight stereo effect. The maximum volume could be a bit higher and there is not much bass, but this is not surprising for such a compact device. Our measurements confirm the good impression. 

Headphones or external speakers can only be attached via adapter (USB-C to 3.5 mm), which is included.

dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs2027.929.12525.426.33128.927.34027.627.65032.729.56325.1258022.923.810028.130.412522.537.216022.845.120022.349.425022.252.831520.653.440019.855.850019.456.763018.859.68001861.6100017.360.2125016.861.2160016.763.1200016.262250015.562.7315015.658.5400015.560.9500015.662.6630015.662.9800015.659.81000015.558.21250015.354.81600015.149SPL2973.1N1.232.4median 16.8median 58.5Delta2.564144.438.239.33838.136.238.936.837.338.537.236.336.934.945.933.453.533.359.832.361.331.661.530.665.429.96629.663.229.269.728.873.228.27427.670.227.569.827.670.227.265.72756.72761.32762.526.966.426.867.126.87126.66626.761.439.980.73.851.2median 27.6median 65.71.34.7hearing rangehide median Pink NoiseAsus ZenBook Flip S UX371Dell XPS 13 7390 2-in-1 Core i7
Frequency diagram (checkboxes can be checked and unchecked to compare devices)
Asus ZenBook Flip S UX371 audio analysis

(±) | speaker loudness is average but good (73.1 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 13.8% lower than median
(±) | linearity of bass is average (11.9% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 2.6% away from median
(+) | mids are linear (4.1% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2.4% away from median
(+) | highs are linear (4.8% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (16.7% difference to median)
Compared to same class
» 24% of all tested devices in this class were better, 5% similar, 71% worse
» The best had a delta of 6%, average was 21%, worst was 57%
Compared to all devices tested
» 24% of all tested devices were better, 7% similar, 70% worse
» The best had a delta of 4%, average was 25%, worst was 134%

Dell XPS 13 7390 2-in-1 Core i7 audio analysis

(±) | speaker loudness is average but good (80.7 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 7.8% lower than median
(±) | linearity of bass is average (12.5% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 4.5% away from median
(+) | mids are linear (6.2% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 3.4% away from median
(±) | linearity of highs is average (10.5% delta to prev. frequency)
Overall 100 - 16.000 Hz
(+) | overall sound is linear (14.8% difference to median)
Compared to same class
» 19% of all tested devices in this class were better, 3% similar, 78% worse
» The best had a delta of 6%, average was 21%, worst was 57%
Compared to all devices tested
» 15% of all tested devices were better, 4% similar, 81% worse
» The best had a delta of 4%, average was 25%, worst was 134%

Energy Management - OLED-Panel consumes a lot of power

Power Consumption

65W power adapter
65W power adapter

The 4K OLED screen increases the power consumption considerably. We can see idle values of more than 10 Watts at the maximum brightness, which is a lot for a slim convertible with a U-series processor. If you activate the keyboard illumination, the value will increase by 1 (intensity 1/3) up to 2.7 Watts (intensity 3/3). We can see a maximum consumption of 64.7 Watts during the stress test, but only for a couple of seconds. The overall power consumption drops similar to the CPU consumption, first to 34 Watt and finally to around 26 Watts. This means the provided 65W power adapter is more than sufficient.

Power Consumption
Off / Standbydarklight 0.38 / 0.52 Watt
Idledarkmidlight 6.1 / 10.6 / 13.8 Watt
Load midlight 32.2 / 64.7 Watt
 color bar
Key: min: dark, med: mid, max: light        Metrahit Energy
Currently we use the Metrahit Energy, a professional single phase power quality and energy measurement digital multimeter, for our measurements. Find out more about it here. All of our test methods can be found here.
Asus ZenBook Flip S UX371
i7-1165G7, Iris Xe G7 96EUs, WDC PC SN730 SDBPNTY-1T00, OLED, 3840x2160, 13.30
Dell XPS 13 7390 2-in-1 Core i7
i7-1065G7, Iris Plus Graphics G7 (Ice Lake 64 EU), Toshiba BG4 KBG40ZPZ512G, IPS, 1920x1200, 13.40
HP Spectre x360 13-aw0013dx
i7-1065G7, Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H), IPS, 1920x1080, 13.30
Samsung Galaxy Book Flex 13.3
i5-1035G4, Iris Plus Graphics G4 (Ice Lake 48 EU), Samsung SSD PM981a MZVLB256HBHQ, IPS, 1920x1080, 13.30
Acer Spin 5 SP513-54N-79EY
i7-1065G7, Iris Plus Graphics G7 (Ice Lake 64 EU), Samsung PM991 MZVLQ1T0HALB, IPS, 2256x1504, 13.50
Lenovo Yoga C940-14IIL 81Q9
i7-1065G7, Iris Plus Graphics G7 (Ice Lake 64 EU), Samsung PM981a MZVLB1T0HBLR, IPS, 3840x2160, 14.00
Average Intel Iris Xe Graphics G7 96EUs
 
Average of class Convertible
 
Power Consumption
16%
24%
19%
35%
-18%
3%
3%
Idle Minimum *
6.1
2.6
57%
3.9
36%
3.3
46%
2.8
54%
5.6
8%
5.26 ?(2.2 - 46.5, n=184)
14%
5.48 ?(1.6 - 16.6, n=60, last 2 years)
10%
Idle Average *
10.6
5.3
50%
6.3
41%
8.9
16%
5.4
49%
10.5
1%
8.46 ?(3.8 - 63, n=184)
20%
8.27 ?(3.8 - 20.7, n=60, last 2 years)
22%
Idle Maximum *
13.8
7
49%
6.8
51%
10.4
25%
7.6
45%
12
13%
10.6 ?(5.8 - 68.9, n=184)
23%
10.5 ?(4.7 - 29.9, n=60, last 2 years)
24%
Load Average *
32.2
43.1
-34%
32.6
-1%
40
-24%
36.6
-14%
53.3
-66%
44.8 ?(12.5 - 77.5, n=184)
-39%
46 ?(7.6 - 101.3, n=60, last 2 years)
-43%
Witcher 3 ultra *
28.3
43.1
-52%
25.6
10%
28
1%
46.9
-66%
Load Maximum *
64.7
49
24%
59
9%
32
51%
37
43%
64.6
-0%
66.6 ?(30.1 - 118, n=184)
-3%
65 ?(10.5 - 155.7, n=60, last 2 years)
-0%

* ... smaller is better

Battery Runtime

Asus advertises a battery runtime of up to 15 hours for the ZenBook Flip S (67 Wh), but this is the value for units with the more efficient 1080p screen (UX363). Our test unit with the 4K OLED screen requires much more power, which obviously affects the battery runtime. We still get about 9 hours in the video test, but just 6:44 hours in our Wi-Fi test at an adjusted luminance of 150 nits. We also repeated the Wi-Fi test with the maximum brightness, and the runtime dropped to just about 5 hours.

The competition is better in this category and if you want to work a lot on battery, you should get the ZenBook Flip S with the regular 1080p screen.

Battery Runtime
WiFi Websurfing (Edge 85)
6h 44min
WiFi Websurfing max. Brightness (Edge 85)
4h 52min
Big Buck Bunny H.264 1080p
8h 42min
Load (maximum brightness)
2h 50min
Asus ZenBook Flip S UX371
i7-1165G7, Iris Xe G7 96EUs, 67 Wh
Dell XPS 13 7390 2-in-1 Core i7
i7-1065G7, Iris Plus Graphics G7 (Ice Lake 64 EU), 51 Wh
HP Spectre x360 13-aw0013dx
i7-1065G7, Iris Plus Graphics G7 (Ice Lake 64 EU), 60 Wh
Samsung Galaxy Book Flex 13.3
i5-1035G4, Iris Plus Graphics G4 (Ice Lake 48 EU), 69.7 Wh
Acer Spin 5 SP513-54N-79EY
i7-1065G7, Iris Plus Graphics G7 (Ice Lake 64 EU), 55 Wh
Lenovo Yoga C940-14IIL 81Q9
i7-1065G7, Iris Plus Graphics G7 (Ice Lake 64 EU), 60 Wh
Average of class Convertible
 
Battery Runtime
33%
21%
0%
22%
8%
16%
H.264
522
627
20%
731 ?(542 - 999, n=15, last 2 years)
40%
WiFi v1.3
404
537
33%
594
47%
431
7%
645
60%
436
8%
557 ?(329 - 876, n=63, last 2 years)
38%
Load
170
160
-6%
158
-7%
148
-13%
121.2 ?(53 - 219, n=46, last 2 years)
-29%
Reader / Idle
2223
693
1301
1138 ?(680 - 1667, n=25, last 2 years)

Pros

+ high-quality and sturdy metal chassis
+ very good input devices
+ 4K OLED screen creates an excellent subjective picture
+ good speakers
+ high everyday performance
+ Thunderbolt 4 (USB-C) & Wi-Fi 6

Cons

- poor optimization of fan profiles
- very limited Turbo Boost utilization
- low gaming performance
- no 3.5 mm stereo jack
- short battery runtime for the OLED SKU

Verdict - Premium convertible with issues

In review: Asus ZenBook Flip S UX371. Test model courtesy of Asus Germany.
In review: Asus ZenBook Flip S UX371. Test model courtesy of Asus Germany.

The Asus ZenBook Flip S UX371 is a premium device for almost 2500 Euros. In return you will get plenty of features, starting with the excellent case, the brand-new Tiger Lake processor as well as the very good input devices. You also get a 4K OLED touchscreen, which creates a great subjective picture, but it is not suitable for serious picture/video editing due to high color deviations. The panel also uses PWM. The two stereo speakers left a good impression and Thunderbolt 4/Wi-Fi 6 are the most modern standards you can get right now.

The implementation of the new Tiger Lake processor leaves mixed impressions and there is definitely room for improvements here. A quiet fan in combination with reduced performance figures is certainly a good compromise for most users and everyday tasks. We also like the different fan modes, but a performance mode should also result in higher performance figures, even if it means you have to deal with a louder fan. Other Windows power profiles result in a louder fan, but the there is still no performance advantage due to lower TDP limitations.

Quiet fan, but reduced performance: The ZenBook Flip S cannot utilize the performance of the new Tiger Lake processor. The OLED screen creates a very vivid picture, but consumes a lot of power and reduces the battery runtime.

The increased power consumption of the 4K OLED screen is another problem. 7-8 hours should be the maximum in practice, and even much less if you use higher brightness levels. We know this problem from other devices with OLED screens, so the standard 1080p screen is the better choice for mobile usage scenarios.

Asus ZenBook Flip S UX371 - 09/30/2020 v7
Andreas Osthoff

Chassis
86 / 98 → 88%
Keyboard
86%
Pointing Device
91%
Connectivity
54 / 75 → 73%
Weight
72 / 20-75 → 95%
Battery
75%
Display
83%
Games Performance
52 / 78 → 66%
Application Performance
86 / 85 → 100%
Temperature
87%
Noise
98%
Audio
73 / 91 → 80%
Camera
31 / 85 → 36%
Average
75%
86%
Convertible - Weighted Average

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Reviews > Asus ZenBook Flip S UX371 Review - Compact Convertible with Tiger Lake and OLED
Andreas Osthoff, 2020-09-30 (Update: 2020-09-30)