Notebookcheck

Dell XPS 13 9365 (7Y54, QHD+) Convertible Review

Sascha Mölck, Stefanie Voigt (translated by Mark Riege), 05/26/2017

Great display. In the 13.3-inch XPS 13 convertible, Dell bets on a razor-sharp QHD+ display, which offers a good color presentation. However compared to the XPS 13 FHD model, the screen causes a significantly lower battery life. Thanks to a passively cooled CPU, the computer always runs quietly.

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The Dell XPS 13 9365 is not unknown to us. We have already tested a model that is equipped with a Core i7-7Y75 processor and a Full HD display. Our current test unit offers a Core i5-7Y54 processor and a QHD+ screen. The competitors of the convertible include devices such as the Lenovo Yoga 910-13IKB and the HP Spectre x360 13.

Since both of the XPS-13 models have a similar build, we will not discuss the case, features, input devices, and speakers again here. That information can be found in the review of the Full HD model of the XPS 13.

Dell XPS 13 9365-4537 2-in-1 (XPS 13 Series)
Graphics adapter
Intel HD Graphics 615, Core: 300-950 MHz, dual channel, 21.20.16.4664
Memory
8192 MB 
, DDR3 1866, dual channel, no memory slots, memory is soldered in
Display
13.3 inch 16:9, 3200 x 1800 pixel 276 PPI, capacitive, 10 touch points, Sharp LQ133Z1, IPS, glossy: yes
Mainboard
Intel Kaby Lake-Y Premium PCH
Storage
Toshiba NVMe THNSN5256GPUK, 256 GB 
, 200 GB free
Connections
1 USB 3.0 / 3.1 Gen1, 1 USB 3.1 Gen2, 1 Thunderbolt, 2 DisplayPort, 1 Kensington Lock, Audio Connections: combo audio, Card Reader: microSD, Sensors: movement sensor, TPM 2.0
Networking
Intel Dual Band Wireless-AC 8265 (a/b/g/n/ac), Bluetooth 4.2
Size
height x width x depth (in mm): 15 x 304 x 200 ( = 0.59 x 11.97 x 7.87 in)
Battery
46 Wh Lithium-Ion
Operating System
Microsoft Windows 10 Home 64 Bit
Camera
Webcam: HD
Additional features
Speakers: stereo, Keyboard: chiclet, Keyboard Light: yes, USB-C to USB-A adapter, 24 Months Warranty, fanless
Weight
1.2 kg ( = 42.33 oz / 2.65 pounds), Power Supply: 255 g ( = 8.99 oz / 0.56 pounds)
Price
1649 Euro
Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

 

Size Comparison

Networking
iperf3 Client (receive) TCP 1 m 4M x10
HP Spectre x360 13-ac033dx
Intel Dual Band Wireless-AC 8265
619 MBit/s ∼100% +198%
Dell XPS 13-9365 2-in-1
802.11 a/b/g/n/ac
309 MBit/s ∼50% +49%
Dell XPS 13 9365-4537 2-in-1
Intel Dual Band Wireless-AC 8265
208 MBit/s ∼34%
iperf3 Client (transmit) TCP 1 m 4M x10
Dell XPS 13-9365 2-in-1
802.11 a/b/g/n/ac
471 MBit/s ∼100% +232%
HP Spectre x360 13-ac033dx
Intel Dual Band Wireless-AC 8265
462 MBit/s ∼98% +225%
Dell XPS 13 9365-4537 2-in-1
Intel Dual Band Wireless-AC 8265
142 MBit/s ∼30%

Display

Pixel grid
Pixel grid

The 13.3-inch touchscreen display of the XPS 13 works with a native resolution of 3200x1800 pixels. The brightness (306.4 cd/m2) and contrast (1740:1) of the screen turn out very good. The Full HD display that is also available offers almost identical values. Positive: at no time does the QHD+ display show any PWM flickering. In the Full HD model, however, it is a different story.

290
cd/m²
316
cd/m²
315
cd/m²
306
cd/m²
348
cd/m²
333
cd/m²
277
cd/m²
300
cd/m²
273
cd/m²
Distribution of brightness
X-Rite i1Pro 2
Maximum: 348 cd/m² Average: 306.4 cd/m² Minimum: 20 cd/m²
Brightness Distribution: 78 %
Center on Battery: 348 cd/m²
Contrast: 1740:1 (Black: 0.2 cd/m²)
ΔE Color 2.79 | 0.4-29.43 Ø6.2
ΔE Greyscale 3.47 | 0.64-98 Ø6.4
93% sRGB (Argyll 3D) 60% AdobeRGB 1998 (Argyll 3D)
Gamma: 2.54

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Dell XPS 13 9365-4537 2-in-1
IPS, 3200x1800, 13.3
Dell XPS 13-9365 2-in-1
IPS, 1920x1080, 13.3
HP Spectre x360 13-ac033dx
IPS, 3840x2160, 13.3
Lenovo Yoga 910-13IKB-80VF004CGE
IPS, 3840x2160, 13.9
Response Times
-9%
-1%
9%
Response Time Grey 50% / Grey 80% *
48 (26, 22)
48 (16.4, 31.6)
-0%
42 (20.8, 21.2)
12%
46 (14, 32)
4%
Response Time Black / White *
28 (16, 12)
32.8 (7.6, 25.2)
-17%
32 (18, 14)
-14%
24 (6, 18)
14%
PWM Frequency
1042 (29)
Screen
-44%
-1%
-51%
Brightness middle
348
322.6
-7%
302.6
-13%
348
0%
Brightness
306
306
0%
282
-8%
310
1%
Brightness Distribution
78
91
17%
83
6%
80
3%
Black Level *
0.2
0.19
5%
0.25
-25%
0.25
-25%
Contrast
1740
1698
-2%
1210
-30%
1392
-20%
Colorchecker DeltaE2000 *
2.79
7.7
-176%
2.4
14%
7.86
-182%
Colorchecker DeltaE2000 max. *
5.53
11.1
-101%
4.9
11%
13.43
-143%
Greyscale DeltaE2000 *
3.47
7.9
-128%
2.8
19%
8.25
-138%
Gamma
2.54 87%
2.88 76%
2.2 100%
2.05 107%
CCT
6564 99%
7044 92%
6333 103%
6834 95%
Color Space (Percent of AdobeRGB 1998)
60
44.1
-26%
65.5
9%
58
-3%
Color Space (Percent of sRGB)
93
69.9
-25%
97.1
4%
90
-3%
Total Average (Program / Settings)
-27% / -38%
-1% / -1%
-21% / -41%

* ... smaller is better

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 not detected

In comparison: 52 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 9226 (minimum: 43 - maximum: 142900) Hz was measured.

The display already shows a good color presentation in the state of delivery. With a DeltaE-2000 color deviation of 2.79, it completely fulfills the requirements. The display does not suffer from a blue tint. It can be only minimally improved via calibration. Not only does the QHD+ display offer a higher color accuracy than the Full HD model, but also a better color space coverage.

CalMAN - ColorChecker
CalMAN - ColorChecker
CalMAN - Grayscale
CalMAN - Grayscale
CalMAN - Saturation
CalMAN - Saturation
CalMAN - ColorChecker (calibrated)
CalMAN - ColorChecker (calibrated)
CalMAN - Grayscale (calibrated)
CalMAN - Grayscale (calibrated)
CalMAN - Saturation (calibrated)
CalMAN - Saturation (calibrated)

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
28 ms ... rise ↗ and fall ↘ combined↗ 16 ms rise
↘ 12 ms fall
The screen shows relatively slow response rates in our tests and may be too slow for gamers.
In comparison, all tested devices range from 0.8 (minimum) to 240 (maximum) ms. » 59 % of all devices are better.
This means that the measured response time is similar to the average of all tested devices (25.6 ms).
       Response Time 50% Grey to 80% Grey
48 ms ... rise ↗ and fall ↘ combined↗ 26 ms rise
↘ 22 ms fall
The screen shows slow response rates in our tests and will be unsatisfactory for gamers.
In comparison, all tested devices range from 0.9 (minimum) to 636 (maximum) ms. » 77 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (41 ms).

Dell has provided the XPS 13 with an IPS panel that is stable from all viewing angles. Thus the screen can be read from any position. Outdoors, the device can only be used when it is not sunny, since otherwise the reflective display surface will prevent its use.

The XPS 13 outdoors (direct sun)
The XPS 13 outdoors (direct sun)

Performance

With the XPS 13 2-in-1, Dell delivers a very slim convertible in the 13.3-inch format. The built-in CPU offers sufficient computing power for applications in the office and Internet areas. Our test unit can be purchased for about 1650 Euros (~$1850; in the US $1599 from Dell with i7-7Y75, 8 GB RAM, 256 GB SSD). Other feature variants are also available, and prices begin at 1350 Euros (~$1512). 

Processor

Dell has equipped the XPS 13 with an Intel Core i5-7Y54 (Kaby Lake) dual-core processor. Thanks to a low TDP of 4.5 watts, the CPU can be cooled passively, which is also done here. The processor operates with a basic speed of 1.2 GHz, which can be increased up to 3.2 GHz via Turbo. The CPU runs through our single thread tests at 2.7 to 2.8 GHz. The processor begins the Multithread tests with constantly fluctuating speeds (400 MHz to 2.8 GHz). After a few seconds, the speed stabilizes at 2.2 to 2.3 GHz and then decreases to 2.1 to 2.2 GHz.

We test whether the Turbo can maintain this level for a prolonged period by running the Cinebench R15 Multithread test in a constant loop for about 30 minutes. From the first to the fifth run, the XPS 13 results decrease by about 20% and then remain constantly at the same level.

0102030405060708090100110120130140150160170180190200210220230240250Tooltip
Cinebench R15 CPU Multi 64 Bit
Cinebench R10 Rendering Single 32Bit
4838
Cinebench R10 Rendering Multiple CPUs 32Bit
8946
Cinebench R10 Shading 32Bit
6388
Cinebench R15 CPU Single 64Bit
119 Points
Cinebench R15 CPU Multi 64Bit
257 Points
Cinebench R15 OpenGL 64Bit
24.79 fps
Cinebench R15 Ref. Match 64Bit
97.8 %
Help
Cinebench R15
CPU Single 64Bit
Lenovo Yoga 910-13IKB-80VF004CGE
Intel Core i7-7500U
147 Points ∼67% +24%
HP Spectre x360 13-ac033dx
Intel Core i7-7500U
143 Points ∼66% +20%
Dell XPS 13-9365 2-in-1
Intel Core i7-7Y75
130 Points ∼60% +9%
Dell XPS 13 9365-4537 2-in-1
Intel Core i5-7Y54
119 Points ∼55%
CPU Multi 64Bit
Lenovo Yoga 910-13IKB-80VF004CGE
Intel Core i7-7500U
354 Points ∼8% +38%
HP Spectre x360 13-ac033dx
Intel Core i7-7500U
317 Points ∼7% +23%
Dell XPS 13-9365 2-in-1
Intel Core i7-7Y75
258 Points ∼6% 0%
Dell XPS 13 9365-4537 2-in-1
Intel Core i5-7Y54
257 Points ∼6%
Cinebench R10
Rendering Single 32Bit
HP Spectre x360 13-ac033dx
Intel Core i7-7500U
5614 Points ∼52% +16%
Dell XPS 13-9365 2-in-1
Intel Core i7-7Y75
5496 Points ∼51% +14%
Dell XPS 13 9365-4537 2-in-1
Intel Core i5-7Y54
4838 Points ∼45%
Rendering Multiple CPUs 32Bit
HP Spectre x360 13-ac033dx
Intel Core i7-7500U
11366 Points ∼23% +27%
Dell XPS 13-9365 2-in-1
Intel Core i7-7Y75
9392 Points ∼19% +5%
Dell XPS 13 9365-4537 2-in-1
Intel Core i5-7Y54
8946 Points ∼18%
Geekbench 3
32 Bit Multi-Core Score
Dell XPS 13 9365-4537 2-in-1
Intel Core i5-7Y54
6178 Points ∼20%
32 Bit Single-Core Score
Dell XPS 13 9365-4537 2-in-1
Intel Core i5-7Y54
3160 Points ∼66%
Geekbench 4.0
64 Bit Multi-Core Score
Dell XPS 13 9365-4537 2-in-1
Intel Core i5-7Y54
6627 Points ∼24%
64 Bit Single-Core Score
Dell XPS 13 9365-4537 2-in-1
Intel Core i5-7Y54
3733 Points ∼65%
Geekbench 4.3
64 Bit Multi-Core Score
Dell XPS 13 9365-4537 2-in-1
Intel Core i5-7Y54
6921 Points ∼19%
64 Bit Single-Core Score
Dell XPS 13 9365-4537 2-in-1
Intel Core i5-7Y54
3745 Points ∼59%
JetStream 1.1 - Total Score
Lenovo Yoga 910-13IKB-80VF004CGE
Intel Core i7-7500U
241.79 Points ∼72% +22%
HP Spectre x360 13-ac033dx
Intel Core i7-7500U
235 Points ∼70% +18%
Dell XPS 13 9365-4537 2-in-1
Intel Core i5-7Y54
198.92 Points ∼60%
Dell XPS 13-9365 2-in-1
Intel Core i7-7Y75
193.76 Points ∼58% -3%

System Performance

The system runs smoothly and very fast. We did not encounter any problems. The result in the PC Mark 8 benchmark attests that the computer has more than enough power for applications of the office and Internet areas. The result of our current test unit remains below that of the Core-i7 model that we had tested previously. This is not due to the weaker Core-i5 processor, but to the considerably higher display resolution of our current test unit.

PCMark 8 Home Score Accelerated v2
2706 points
Help
PCMark 8 - Home Score Accelerated v2
Lenovo Yoga 910-13IKB-80VF004CGE
HD Graphics 620, 7500U, Samsung PM951 NVMe MZVLV512
3555 Points ∼58% +31%
Dell XPS 13-9365 2-in-1
HD Graphics 615, 7Y75, Toshiba NVMe THNSN5256GPUK
3134 Points ∼51% +16%
HP Spectre x360 13-ac033dx
HD Graphics 620, 7500U, Samsung PM961 NVMe MZVLW512HMJP
3023 Points ∼50% +12%
Dell XPS 13 9365-4537 2-in-1
HD Graphics 615, 7Y54, Toshiba NVMe THNSN5256GPUK
2706 Points ∼44%

Storage Solution

An M.2-2280 SSD by Toshiba serves as the system drive. It is an NVMe model that offers a total capacity of 256 GB, of which about 200 GB remains usable. The remaining storage space is used up by the recovery partition and the Windows installation. The SSD basically offers very good transfer rates, although we have seen faster NVMe SSDs.

Toshiba NVMe THNSN5256GPUK
Sequential Read: 1159 MB/s
Sequential Write: 324.1 MB/s
512K Read: 528.4 MB/s
512K Write: 373.7 MB/s
4K Read: 29.26 MB/s
4K Write: 108.3 MB/s
4K QD32 Read: 335.9 MB/s
4K QD32 Write: 234.1 MB/s
Dell XPS 13 9365-4537 2-in-1
Toshiba NVMe THNSN5256GPUK
Dell XPS 13-9365 2-in-1
Toshiba NVMe THNSN5256GPUK
HP Spectre x360 13-ac033dx
Samsung PM961 NVMe MZVLW512HMJP
Lenovo Yoga 910-13IKB-80VF004CGE
Samsung PM951 NVMe MZVLV512
CrystalDiskMark 3.0
31%
114%
58%
Write 4k QD32
234.1
250.2
7%
225.6
-4%
488.7
109%
Read 4k QD32
335.9
411
22%
518.3
54%
570.3
70%
Write 4k
108.3
121.2
12%
139.4
29%
159.7
47%
Read 4k
29.26
32.93
13%
54.66
87%
43.5
49%
Write 512
373.7
410.7
10%
1229
229%
579.6
55%
Read 512
528.4
966.3
83%
864.8
64%
701.1
33%
Write Seq
324.1
629.4
94%
1550
378%
578.4
78%
Read Seq
1159
1206
4%
2065
78%
1412
22%

Graphics Card

Intel's HD Graphics 615 GPU takes care of the graphics output. It is supported by DirectX 12 and achieves speeds of up to 950 MHz. The results in the 3D Mark benchmarks are at a normal level for this GPU.

3DMark 11 Performance
1272 points
Help
3DMark 11 - 1280x720 Performance GPU
Lenovo Yoga 910-13IKB-80VF004CGE
Intel HD Graphics 620, Intel Core i7-7500U
1623 Points ∼3% +38%
HP Spectre x360 13-ac033dx
Intel HD Graphics 620, Intel Core i7-7500U
1569 Points ∼3% +34%
Dell XPS 13-9365 2-in-1
Intel HD Graphics 615, Intel Core i7-7Y75
1370 Points ∼3% +17%
Dell XPS 13 9365-4537 2-in-1
Intel HD Graphics 615, Intel Core i5-7Y54
1175 Points ∼2%

Gaming Performance

The hardware of the XPS 13 brings some games smoothly to the display. This goes mainly for those titles that do not make too-high a demand on the hardware, such as “Dota 2 Reborn” or “Farming Simulator 2017”. But even in such games, you have to limit yourself to a low resolution and low quality settings. You cannot play more power-hungry games such as “Mass Effect Andromeda” at all.

low med. high ultra
Diablo III (2012) 55.836.330.117.8fps
Counter-Strike: GO (2012) 99.957.339.521.9fps
BioShock Infinite (2013) 31.420.419.36.1fps
GRID: Autosport (2014) 74.924.6fps
F1 2014 (2014) 5534fps
GTA V (2015) 19.916.7fps
World of Warships (2015) 49.930.2fps
Anno 2205 (2015) 15.910.2fps
Rainbow Six Siege (2015) 24.616.2fps
Far Cry Primal (2016) 125fps
Mirror's Edge Catalyst (2016) 15.59fps
Civilization VI (2016) 20.69.2fps
Farming Simulator 17 (2016) 70.245.1fps
Titanfall 2 (2016) 19.915.9fps
Resident Evil 7 (2017) 22.29.5fps
For Honor (2017) 16.86.2fps
Ghost Recon Wildlands (2017) 9.84fps
Warhammer 40.000: Dawn of War III (2017) 11.64fps
Prey (2017) 14.36.6fps

Emissions

Noise Emissions

The convertible does not have a fan on board, so it always runs quietly. From time to time, the device produces an electronic buzzing sound, although this is so quiet, that it can only be heard when you hold your ear close to the keyboard.

Temperature

The XPS 13 in the stress test
The XPS 13 in the stress test

The XPS 13 runs through our stress test (Prime95 and FurMark run for at least one hour) in the same way in battery or mains operation: the CPU (up to 800 MHz) and GPU (450 MHz) begin the stress test with speeds that are already very low. During the course of the test, the values sink even lower. The working speed of the processor decreases to below 600 MHz and that of the graphics core to 350 MHz. The heat development of the computer remains within limits. During the stress test, the 40 °C mark (104 °F) is exceeded at three monitoring points. 

Max. Load
 40.2 °C
104 F
43.1 °C
110 F
32 °C
90 F
 
 32.1 °C
90 F
36.4 °C
98 F
32 °C
90 F
 
 26.8 °C
80 F
26.7 °C
80 F
26.1 °C
79 F
 
Maximum: 43.1 °C = 110 F
Average: 32.8 °C = 91 F
32.4 °C
90 F
41.7 °C
107 F
37.7 °C
100 F
30.1 °C
86 F
34.4 °C
94 F
35.9 °C
97 F
26 °C
79 F
28.8 °C
84 F
30 °C
86 F
Maximum: 41.7 °C = 107 F
Average: 33 °C = 91 F
Power Supply (max.)  41.2 °C = 106 F | Room Temperature 30.1 °C = 86 F | FIRT 550-Pocket
(±) The average temperature for the upper side under maximal load is 32.8 °C / 91 F, compared to the average of 30.3 °C / 87 F for the devices in the class Convertible.
(±) The maximum temperature on the upper side is 43.1 °C / 110 F, compared to the average of 35.4 °C / 96 F, ranging from 21.8 to 55.7 °C for the class Convertible.
(±) The bottom heats up to a maximum of 41.7 °C / 107 F, compared to the average of 36.5 °C / 98 F
(+) In idle usage, the average temperature for the upper side is 22.7 °C / 73 F, compared to the device average of 30.3 °C / 87 F.
(+) The palmrests and touchpad are cooler than skin temperature with a maximum of 26.8 °C / 80.2 F and are therefore cool to the touch.
(+) The average temperature of the palmrest area of similar devices was 29.1 °C / 84.4 F (+2.3 °C / 4.2 F).
Heat development top (load)
Heat development top (load)
Heat development bottom (load)
Heat development bottom (load)
Heat development top (idle)
Heat development top (idle)
Heat development bottom (idle)
Heat development bottom (idle)

Speakers

dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs2041.736.241.72538.732.238.73140.331.740.34041.12941.15042.628.842.66344.530.844.5804428.34410045.728.945.71254724.54716048.22448.220049.924.649.925051.522.151.531556.52256.540059.720.859.750064.420.364.463065.619.365.68006918.669100072.717.972.7125073.517.773.5160071.61771.6200071.417.171.4250069.616.969.6315064.61764.6400067.416.967.4500066.616.966.6630069.91769.9800067.617.267.61000059.317.159.3125005717.2571600052.517.452.5SPL81.43081.4N50.81.450.8median 64.6median 17.7median 64.6Delta7.627.635.335.132.931.831.83236.535.132.428.93328.936.328.848.32761.52752.924.860.92462.822.763.32269.521.267.82174.82075.919.472.718.97117.770.117.86917.671.817.668.117.671.417.673.717.670.417.571.617.671.617.669.617.459.717.583.630.662.51.5median 69.6median 17.84.62.4hearing rangehide median Pink NoiseDell XPS 13 9365-4537 2-in-1Apple MacBook 12 (Early 2016) 1.1 GHz
Dell XPS 13 9365-4537 2-in-1 audio analysis

(±) | speaker loudness is average but good (73 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 14.8% lower than median
(+) | bass is linear (4.5% delta to prev. frequency)
Mids 400 - 2000 Hz
(±) | higher mids - on average 5.2% higher than median
(+) | mids are linear (5.1% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 3.4% away from median
(±) | linearity of highs is average (7.4% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (16.1% difference to median)
Compared to same class
» 17% of all tested devices in this class were better, 5% similar, 78% worse
» The best had a delta of 11%, average was 22%, worst was 53%
Compared to all devices tested
» 20% of all tested devices were better, 4% similar, 76% worse
» The best had a delta of 3%, average was 21%, worst was 53%

Apple MacBook 12 (Early 2016) 1.1 GHz audio analysis

(+) | speakers can play relatively loud (83.6 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 11.3% lower than median
(±) | linearity of bass is average (14.2% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 2.4% away from median
(+) | mids are linear (5.5% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2% away from median
(+) | highs are linear (4.5% delta to prev. frequency)
Overall 100 - 16.000 Hz
(+) | overall sound is linear (9.3% difference to median)
Compared to same class
» 2% of all tested devices in this class were better, 2% similar, 97% worse
» The best had a delta of 8%, average was 20%, worst was 50%
Compared to all devices tested
» 2% of all tested devices were better, 1% similar, 98% worse
» The best had a delta of 3%, average was 21%, worst was 53%

Frequency diagram in comparison (checkboxes above can be checked/un-checked!)

Power Management

Power Consumption

In terms of its power demands, the XPS 13 does not show any abnormalities. It is hardly surprising that it needs more power in idle than its Full HD sibling model. During the stress test, the power consumption is at a normal level for the hardware used. The power supply is rated at 30 watts.

Power Consumption
Off / Standbydarklight 0.5 / 1.3 Watt
Idledarkmidlight 8.2 / 10.8 / 12.7 Watt
Load midlight 22.6 / 24.6 Watt
 color bar
Key: min: dark, med: mid, max: light        Metrahit Energy

Battery Life

Our practically relevant WLAN test simulates the load via a script when calling up web sites. The "Balanced" profile is active, the power saving functions of the notebook are deactivated, and the display brightness is adjusted to about 150 cd/m². The XPS 13 achieves a runtime of 6:50 h. This puts it significantly behind the Full HD sibling model (11:26 h).

Battery Runtime
NBC WiFi Websurfing Battery Test 1.3 (Edge 40)
6h 50min
Battery Runtime - WiFi Websurfing 1.3
Dell XPS 13-9365 2-in-1
7Y75, HD Graphics 615, 46 Wh
686 min ∼100% +67%
Lenovo Yoga 910-13IKB-80VF004CGE
7500U, HD Graphics 620, 78 Wh
644 min ∼94% +57%
HP Spectre x360 13-ac033dx
7500U, HD Graphics 620, 57.8 Wh
537 min ∼78% +31%
Dell XPS 13 9365-4537 2-in-1
7Y54, HD Graphics 615, 46 Wh
410 min ∼60%

Verdict

Pros

+ compact case
+ display with stable viewing angles
+ NVMe SSD
+ Thunderbolt 3
+ USB Type-C to Type-A adapter

Cons

- average battery life
- no USB Type-A port
- relatively low WLAN transferrates
The Dell XPS 13 9365-4537, provided by notebooksbilliger.de
The Dell XPS 13 9365-4537, provided by notebooksbilliger.de

The Dell XPS 13 model that we are testing has a Core i5-7Y54 processor on board. This is in no way inferior to the nominally stronger Core-i7 processor that is built into the sibling model that we have already tested. Since both CPUs hardly reach their maximum speeds due to the passive cooling, their results in the CPU tests are to a large extent at the same level. Only a slight advantage that can hardly be noticed during everyday operation can be attested to the Core i7. The extra charge for the Core-i7 processor is not really worth it.

Since there is no fan, the computer always runs quietly. Yet it does not heat up too much. An NVMe SSD assures a fast-running system. Exchanging the SSD might be possible. To do that, you would need to remove the bottom of the computer casing. The keyboard of the convertible left a good overall impression.

The IPS display pleases with stable viewing angles and a very good contrast. The brightness value is also favorable, although it could be even higher, since the device will be used in various places under various lighting conditions.

The razor-sharp QHD+ display has a negative effect on the battery life. 

In our practically relevant WLAN test, the runtime decreases by a good 5 hours compared to the Full HD model of the XPS 13. Users who need a battery life that is as long as possible should therefore choose the Full HD model.

Dell XPS 13 9365-4537 2-in-1 - 05/26/2017 v6
Sascha Mölck

Chassis
91 / 98 → 93%
Keyboard
87%
Pointing Device
87%
Connectivity
58 / 80 → 73%
Weight
73 / 35-78 → 87%
Battery
89%
Display
87%
Games Performance
53 / 68 → 78%
Application Performance
73 / 87 → 84%
Temperature
94%
Noise
100%
Audio
80 / 91 → 88%
Camera
44 / 85 → 52%
Average
78%
87%
Convertible - Weighted Average

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> Notebook / Laptop Reviews and News > Reviews > Dell XPS 13 9365 (7Y54, QHD+) Convertible Review
Sascha Mölck, 2017-05-26 (Update: 2017-05-27)