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Fujitsu Lifebook U9310X - 1 kg business convertible with LTE in review

Matt touchscreen and many ports. Fujitsu's Lifebook U9310X is an extremely light business convertible that offers a variety of ports despite its compact dimensions. Thanks to the integrated LTE modem, you are always connected to the Internet on the go.
Andreas Osthoff, 👁 Andreas Osthoff (translated by DeepL / Ninh Duy), 🇩🇪 🇮🇹 ...
Fujitsu LifeBook U9310X
Processor
Intel Core i5-10210U 4 x 1.6 - 4.2 GHz, Comet Lake-U
Graphics adapter
Memory
16384 MB 
, Dual-Channel, DDR3-2133
Display
13.30 inch 16:9, 1920 x 1080 pixel 166 PPI, capacitive, LQ133M1JW48, IPS, glossy: no, 60 Hz
Mainboard
Intel Comet Lake-U PCH-LP Premium
Storage
Toshiba KBG40ZNS512G NVMe, 512 GB 
, 420 GB free
Soundcard
Intel Comet Lake PCH-LP - cAVS
Connections
2 USB 3.0 / 3.1 Gen1, 2 USB 3.1 Gen2, 2 Thunderbolt, USB-C Power Delivery (PD), 1 HDMI, 2 DisplayPort, 1 Kensington Lock, Audio Connections: Stereo, Card Reader: SDXC, 1 SmartCard, 1 Fingerprint Reader, Brightness Sensor
Networking
Intel Ethernet Connection I219-LM (10/100/1000/2500/5000MBit/s), Intel Wi-Fi 6 AX201 (a/b/g/h/n = Wi-Fi 4/ac = Wi-Fi 5/ax = Wi-Fi 6), Bluetooth 5.1, Sierra Wireless EM7421 (Cat. 7) (Downlink speed up to 300 Mbps, Uplink speed up to 150 Mbps), LTE
Size
height x width x depth (in mm): 17 x 309 x 215 ( = 0.67 x 12.17 x 8.46 in)
Battery
50 Wh, 3490 mAh Lithium-Ion
Operating System
Microsoft Windows 10 Pro 64 Bit
Camera
Primary Camera: 5 MPix
Secondary Camera: 2 MPix
Additional features
Speakers: Stereo, Keyboard: Chiclet, Keyboard Light: yes, 65W PSU, 24 Months Warranty
Weight
1.024 kg ( = 36.12 oz / 2.26 pounds), Power Supply: 354 g ( = 12.49 oz / 0.78 pounds)
Price
1800 Euro
Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

 

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Possible competitors in comparison

Rating
Date
Model
Weight
Height
Size
Resolution
Best Price
86.2 %
01/2021
Fujitsu LifeBook U9310X
i5-10210U, UHD Graphics 620
1 kg17 mm13.30"1920x1080
90.3 %
04/2020
HP Elite Dragonfly-8MK79EA
i5-8265U, UHD Graphics 620
1.1 kg16.1 mm13.30"1920x1080
87.9 %
10/2020
Lenovo ThinkPad X13 Yoga 20SX0004GE
i7-10510U, UHD Graphics 620
1.3 kg15.95 mm13.30"1920x1080
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
84.7 %
07/2020
Fujitsu Lifebook U939X
i5-8265U, UHD Graphics 620
1 kg17 mm13.30"1920x1080

Case, equipment and input devices

We already know the Lifebook U9310X's magnesium casing from the Lifebook U939X. At 1.024 kg, the convertible is extremely light and also looks very good in red, but the device is also available in black as an alternative. The stability is very good, but the device does not feel extremely high-end due to the low weight. The screen can be completely folded down and therefore allows different operating modes.

One advantage of the Fujitsu computer are the extensive ports including 2x Thunderbolt 3, but you also do not have to do without normal USB-A connectors or an Ethernet port. The stylus for the touchscreen can also be accommodated in the casing.The keyboard (illuminated) is quite small and the pressure point is also a bit spongy. Other business devices offer better inputs here. Our model also has an LTE modem, which means you do not always have to rely on Wi-Fi networks when you are on the road.

Size comparison

310.4 mm / 12.2 inch 219 mm / 8.62 inch 15.95 mm / 0.628 inch 1.3 kg2.84 lbs309 mm / 12.2 inch 215 mm / 8.46 inch 17 mm / 0.669 inch 1 kg2.26 lbs309 mm / 12.2 inch 215 mm / 8.46 inch 17 mm / 0.669 inch 1 kg2.26 lbs304.3 mm / 12 inch 197.5 mm / 7.78 inch 16.1 mm / 0.634 inch 1.1 kg2.51 lbs296 mm / 11.7 inch 207 mm / 8.15 inch 13 mm / 0.512 inch 1.3 kg2.93 lbs
Left: Power supply, 2x Thunderbolt 3 (USB-C), HDMI, 1x USB-A 3.1 Gen1, 3.5 mm jack, smartcard reader
Left: Power supply, 2x Thunderbolt 3 (USB-C), HDMI, 1x USB-A 3.1 Gen1, 3.5 mm jack, smartcard reader
Right: Pen compartment, SIM card slot, power button, SD card reader, 1x USB-A 3.1 Gen1, Gigabit LAN, slot for a Kensington lock
Right: Pen compartment, SIM card slot, power button, SD card reader, 1x USB-A 3.1 Gen1, Gigabit LAN, slot for a Kensington lock
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SD Card Reader
average JPG Copy Test (av. of 3 runs)
Fujitsu Lifebook U939X
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
154 MB/s ∼100% +87%
Dell XPS 13 7390 2-in-1 Core i7
  (Toshiba Exceria Pro M501 64 GB UHS-II)
144.6 MB/s ∼94% +75%
Fujitsu LifeBook U9310X
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
82.4 MB/s ∼54%
Lenovo ThinkPad X13 Yoga 20SX0004GE
  (Toshiba Exceria Pro M501 64 GB UHS-II)
82.3 MB/s ∼53% 0%
Average of class Convertible
  (10 - 201, n=64, last 2 years)
78.1 MB/s ∼51% -5%
maximum AS SSD Seq Read Test (1GB)
Dell XPS 13 7390 2-in-1 Core i7
  (Toshiba Exceria Pro M501 64 GB UHS-II)
187.5 MB/s ∼100% +112%
Fujitsu Lifebook U939X
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
183.7 MB/s ∼98% +108%
Average of class Convertible
  (25 - 224, n=57, last 2 years)
93.8 MB/s ∼50% +6%
Fujitsu LifeBook U9310X
  (Toshiba Exceria Pro SDXC 64 GB UHS-II)
88.3 MB/s ∼47%
Lenovo ThinkPad X13 Yoga 20SX0004GE
  (Toshiba Exceria Pro M501 64 GB UHS-II)
88.1 MB/s ∼47% 0%
Networking
iperf3 Client (transmit) TCP 1 m 4M x10
HP Elite Dragonfly-8MK79EA
Intel Wi-Fi 6 AX200
1411 (1311min - 1563max) MBit/s ∼100% +118%
Average Intel Wi-Fi 6 AX201
  (49.8 - 1775, n=289)
1155 MBit/s ∼82% +79%
Fujitsu LifeBook U9310X
Intel Wi-Fi 6 AX201
647 (617min - 677max) MBit/s ∼46%
Lenovo ThinkPad X13 Yoga 20SX0004GE
Intel Wi-Fi 6 AX201
646 (313min - 659max) MBit/s ∼46% 0%
Fujitsu Lifebook U939X
Intel Wireless-AC 9560
630 (329min - 668max) MBit/s ∼45% -3%
Dell XPS 13 7390 2-in-1 Core i7
Intel Killer Wi-Fi 6 AX1650s
356 MBit/s ∼25% -45%
iperf3 Client (receive) TCP 1 m 4M x10
HP Elite Dragonfly-8MK79EA
Intel Wi-Fi 6 AX200
1454 (1393min - 1484max) MBit/s ∼100% +56%
Average Intel Wi-Fi 6 AX201
  (136 - 1743, n=289)
1254 MBit/s ∼86% +35%
Fujitsu LifeBook U9310X
Intel Wi-Fi 6 AX201
930 (467min - 944max) MBit/s ∼64%
Lenovo ThinkPad X13 Yoga 20SX0004GE
Intel Wi-Fi 6 AX201
896 (466min - 945max) MBit/s ∼62% -4%
Fujitsu Lifebook U939X
Intel Wireless-AC 9560
649 (586min - 678max) MBit/s ∼45% -30%
Dell XPS 13 7390 2-in-1 Core i7
Intel Killer Wi-Fi 6 AX1650s
640 MBit/s ∼44% -31%
0100200300400500600700800900467936915935900926939939938939934926919934917924935937937932925933932905913930931939944934467936915935900926939939938939934926919934917924935937937932925933932905913930931939944934633627617639652646648649631618677666649658662640665635643637652650657644650659647649668659Tooltip
; iperf3 Client (receive) TCP 1 m 4M x10; iperf 3.1.3: Ø914 (467-944)
; iperf3 Client (transmit) TCP 1 m 4M x10; iperf 3.1.3: Ø648 (617-677)
ColorChecker
22.1 ∆E
29.7 ∆E
27.9 ∆E
21.2 ∆E
25.2 ∆E
17.5 ∆E
18.1 ∆E
28 ∆E
20.4 ∆E
12.1 ∆E
14.9 ∆E
12.9 ∆E
14.5 ∆E
13 ∆E
17.3 ∆E
9.1 ∆E
12.5 ∆E
6.6 ∆E
2.3 ∆E
11.7 ∆E
8.7 ∆E
7.7 ∆E
8.1 ∆E
9.4 ∆E
ColorChecker Fujitsu LifeBook U9310X: 15.46 ∆E min: 2.33 - max: 29.69 ∆E

Display - Lifebook with IPS touchscreen

The IPS touchscreen offers an anti-reflective surface, but bright areas look a bit grainy. The resolution is still 1920 x 1080 pixels, but a different panel is used compared to the old Lifebook U939X. The subjective picture impression is decent, but we measure PWM flickering at only 211 Hz from a brightness of 30% or less, which can lead to problems.

The brightness is more than 300 cd/m² and the contrast ratio (1400:1) does not disappoint either. The sRGB color space is almost completely covered and calibration is already very decent ex-factory. Thus, the U9310X is also suitable for editing pictures. The convertible can be used outdoors, but we would have wished for an even brighter panel. There are no problems with the viewing angle stability.

321
cd/m²
330
cd/m²
307
cd/m²
326
cd/m²
345
cd/m²
310
cd/m²
295
cd/m²
318
cd/m²
302
cd/m²
Distribution of brightness
LQ133M1JW48
X-Rite i1Pro 2
Maximum: 345 cd/m² (Nits) Average: 317.1 cd/m² Minimum: 28.2 cd/m²
Brightness Distribution: 86 %
Center on Battery: 344 cd/m²
Contrast: 1438:1 (Black: 0.24 cd/m²)
ΔE Color 2.7 | 0.59-29.43 Ø5.5, calibrated: 1
ΔE Greyscale 3.3 | 0.64-98 Ø5.7
96.9% sRGB (Argyll 1.6.3 3D)
62.4% AdobeRGB 1998 (Argyll 1.6.3 3D)
67.44% AdobeRGB 1998 (Argyll 2.2.0 3D)
96.91% sRGB (Argyll 2.2.0 3D)
66.4% Display P3 (Argyll 2.2.0 3D)
Gamma: 2.31
Fujitsu LifeBook U9310X
LQ133M1JW48, IPS, 1920x1080, 13.30
HP Elite Dragonfly-8MK79EA
AUO5E2D, IPS, 1920x1080, 13.30
Lenovo ThinkPad X13 Yoga 20SX0004GE
N133HCG-GR3, IPS, 1920x1080, 13.30
Dell XPS 13 7390 2-in-1 Core i7
Sharp LQ134N1, IPS, 1920x1200, 13.40
Fujitsu Lifebook U939X
Sharp SHP14B0, IPS, 1920x1080, 13.30
Display
4%
1%
4%
0%
Display P3 Coverage
66.4
68.99
4%
67.21
1%
69.92
5%
66.64
0%
sRGB Coverage
96.91
99.38
3%
98.12
1%
99.19
2%
96.91
0%
AdobeRGB 1998 Coverage
67.44
70.86
5%
68.99
2%
71.53
6%
67.95
1%
Response Times
3%
15%
373%
9%
Response Time Grey 50% / Grey 80% *
62.4 ?(25.6, 26.8)
60.8 ?(30.8, 30)
3%
56 ?(26.8, 29.2)
10%
47.6 ?(23.2, 24.4)
24%
54.4 ?(26.8, 27.6)
13%
Response Time Black / White *
34.4 ?(18, 16.4)
33.8 ?(17.2, 16.6)
2%
28 ?(11.2, 16.8)
19%
29.2 ?(16, 13.2)
15%
32.8 ?(16.4, 16.4)
5%
PWM Frequency
211.9 ?(30)
2500 ?(25)
1080%
Screen
13%
15%
8%
-14%
Brightness middle
345
411
19%
401
16%
549.8
59%
325
-6%
Brightness
317
388
22%
383
21%
520
64%
310
-2%
Brightness Distribution
86
87
1%
91
6%
86
0%
89
3%
Black Level *
0.24
0.22
8%
0.16
33%
0.39
-63%
0.29
-21%
Contrast
1438
1868
30%
2506
74%
1410
-2%
1121
-22%
Colorchecker dE 2000 *
2.7
1.8
33%
2.6
4%
2.12
21%
3.2
-19%
Colorchecker dE 2000 max. *
4.2
4.1
2%
4.2
-0%
3.66
13%
6.2
-48%
Colorchecker dE 2000 calibrated *
1
1
-0%
0.9
10%
1.37
-37%
1.1
-10%
Greyscale dE 2000 *
3.3
2.5
24%
3.3
-0%
2.6
21%
4.4
-33%
Gamma
2.31 95%
2.26 97%
2.01 109%
2.3 96%
2.21 100%
CCT
7188 90%
6448 101%
6076 107%
6884 94%
7430 87%
Color Space (Percent of AdobeRGB 1998)
62.4
64.7
4%
62.7
0%
65.4
5%
62.9
1%
Color Space (Percent of sRGB)
96.9
99.3
2%
98.1
1%
99.7
3%
96.6
0%
Total Average (Program / Settings)
7% / 10%
10% / 12%
128% / 72%
-2% / -9%

* ... smaller is better

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
34.4 ms ... rise ↗ and fall ↘ combined↗ 18 ms rise
↘ 16.4 ms fall
The screen shows slow response rates in our tests and will be unsatisfactory for gamers.
In comparison, all tested devices range from 0.8 (minimum) to 240 (maximum) ms. » 89 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (23.8 ms).
       Response Time 50% Grey to 80% Grey
62.4 ms ... rise ↗ and fall ↘ combined↗ 25.6 ms rise
↘ 26.8 ms fall
The screen shows slow response rates in our tests and will be unsatisfactory for gamers.
In comparison, all tested devices range from 0.8 (minimum) to 636 (maximum) ms. » 96 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (37.6 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 211.9 Hz ≤ 30 % brightness setting

The display backlight flickers at 211.9 Hz (Likely utilizing PWM) Flickering detected at a brightness setting of 30 % and below. There should be no flickering or PWM above this brightness setting.

The frequency of 211.9 Hz is relatively low, so sensitive users will likely notice flickering and experience eyestrain at the stated brightness setting and below.

In comparison: 52 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 21061 (minimum: 5 - maximum: 3846000) Hz was measured.

CalMAN Grayscale
CalMAN Grayscale
CalMAN Saturation
CalMAN Saturation
CalMAN ColorChecker
CalMAN ColorChecker
CalMAN Grayscale calibrated
CalMAN Grayscale calibrated
CalMAN Confirmation calibrated
CalMAN Confirmation calibrated
CalMAN ColorChecker calibrated
CalMAN ColorChecker calibrated
Subpixel arrangement
Subpixel arrangement
Viewing angle stability
Viewing angle stability
Outdoors
Outdoors

Performance, emissions and battery life

The Core i5-10210U (4 cores/8 threads) is run with 18/30 watts, which leads to average results within the comparison group. You have to reckon with a performance reduction of about 15% during longer load. On the other hand, the performance drops by about 40% in battery mode.

Thanks to the fast PCIe-SSD, the general system performance is very good, which is also supported by the PCMark 10 results. The integrated UHD Graphics 620 is well-suited for everyday office use and can also easily handle high-resolution video playback. However, the performance is also significantly reduced here on battery power (-60%). The performance yield is good thanks to the dual-channel working memory, but the overall performance is still too low for gaming.

The single fan remains very quiet in everyday use and is only noticeable with a quiet noise even under load. The surface temperatures are still harmless under load and the convertible also stays very cool during everyday tasks

The battery life is very good. You can expect at least 3 hours under load, and it is even 11.5 hours in our WLAN test with 150 cd/m². Even at maximum screen brightness, a bit more than 8 hours are still possible in the WLAN test.

Cinebench R15 Loop

050100150200250300350400450500550600650700750800609567505.69504.08504.6504.87506.73505.93505.03506.41506.6506.34505.24503.46504.18506.97505.68505.88505.44507.59507.07503.02507.14503.64507.46496.34424.08406.64409.96410.22408.39408.46410.48408.97409.5409.5408.97409.24410.49408.91410.09409.44409.89410.55410.03410.09409.89408.39409.76408.98527.43529.23524.76528.05528.46526.07526.84527.41526.57527.56526.55527.83527.07526.22527.14528.2528.51527.99527.39528.67529.01529.32527.2527.73527.85836.68821.14823.25803.86701.45664.66659.39662.59664.5663.63663.46664.66661.57664.14662.25663.11662.43661.23662.43662.79661.74660.55658.85655.64658.67654.46659.87656.65638.81655.97654.8656.48644.26660.03653.17654.96663.28655.97632.81661.06664.66659.7660.03658.67661.75658657.66653.98663.28659.87559.89486.25488.25487.96486.72486.43487.88489.69487.79486.03486.6488.35492491.34490.7490.62490.26489.81491.61491.04493.27491.67491.2493.04493.25491.73490.58493.6492.99492.47490.3492.96491.99493.27493.07492.38492.21494.02492.77492.5492.12492.58492.84491.41489.09494.9492.37492.6494.28493.19Tooltip
Fujitsu LifeBook U9310X Intel Core i5-10210U: Ø512 (503.02-609)
HP Elite Dragonfly-8MK79EA Intel Core i5-8265U: Ø413 (406.64-496.34)
Lenovo ThinkPad X13 Yoga 20SX0004GE Intel Core i7-10510U: Ø528 (524.76-529.32)
Dell XPS 13 7390 2-in-1 Core i7 Intel Core i7-1065G7: Ø672 (632.81-836.68)
Fujitsu Lifebook U939X Intel Core i5-8265U: Ø492 (486.03-559.89)
Cinebench R20: CPU (Single Core) | CPU (Multi Core)
Cinebench R15: CPU Single 64Bit | CPU Multi 64Bit
Blender 2.79: BMW27 CPU
7-Zip 18.03: 7z b 4 -mmt1 | 7z b 4
Geekbench 5.3: 64 Bit Single-Core Score | 64 Bit Multi-Core Score
HWBOT x265 Benchmark v2.2: 4k Preset
LibreOffice : 20 Documents To PDF
R Benchmark 2.5: Overall mean
Cinebench R20 / CPU (Single Core)
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
465 Points ∼100% +11%
Average of class Convertible
  (152 - 604, n=88, last 2 years)
448 Points ∼96% +7%
Fujitsu LifeBook U9310X
Intel Core i5-10210U
419 Points ∼90%
Lenovo ThinkPad X13 Yoga 20SX0004GE
Intel Core i7-10510U
415 Points ∼89% -1%
Average Intel Core i5-10210U
  (322 - 428, n=30)
407 Points ∼88% -3%
Fujitsu Lifebook U939X
Intel Core i5-8265U
397 Points ∼85% -5%
HP Elite Dragonfly-8MK79EA
Intel Core i5-8265U
370 Points ∼80% -12%
Cinebench R20 / CPU (Multi Core)
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
2024 Points ∼100% +51%
Average of class Convertible
  (316 - 4953, n=88, last 2 years)
1670 Points ∼83% +25%
Fujitsu LifeBook U9310X
Intel Core i5-10210U
1337 Points ∼66%
Average Intel Core i5-10210U
  (722 - 1820, n=30)
1279 Points ∼63% -4%
Lenovo ThinkPad X13 Yoga 20SX0004GE
Intel Core i7-10510U
1239 Points ∼61% -7%
Fujitsu Lifebook U939X
Intel Core i5-8265U
1148 Points ∼57% -14%
HP Elite Dragonfly-8MK79EA
Intel Core i5-8265U
1038 Points ∼51% -22%
Cinebench R15 / CPU Single 64Bit
Average of class Convertible
  (66.3 - 243, n=91, last 2 years)
175 Points ∼100% +6%
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
174 Points ∼99% +5%
Lenovo ThinkPad X13 Yoga 20SX0004GE
Intel Core i7-10510U
171 Points ∼98% +4%
Average Intel Core i5-10210U
  (134 - 174, n=35)
166 Points ∼95% +1%
Fujitsu LifeBook U9310X
Intel Core i5-10210U
165 Points ∼94%
Fujitsu Lifebook U939X
Intel Core i5-8265U
159 Points ∼91% -4%
HP Elite Dragonfly-8MK79EA
Intel Core i5-8265U
146 Points ∼83% -12%
Cinebench R15 / CPU Multi 64Bit
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
830 Points ∼100% +36%
Average of class Convertible
  (144 - 2083, n=95, last 2 years)
728 Points ∼88% +20%
Fujitsu LifeBook U9310X
Intel Core i5-10210U
609 (503.02min - 508.74max) Points ∼73%
Average Intel Core i5-10210U
  (320 - 790, n=35)
609 Points ∼73% 0%
Fujitsu Lifebook U939X
Intel Core i5-8265U
559 (487.52min - 492.16max) Points ∼67% -8%
Lenovo ThinkPad X13 Yoga 20SX0004GE
Intel Core i7-10510U
529 (524.76min - 529.32max) Points ∼64% -13%
HP Elite Dragonfly-8MK79EA
Intel Core i5-8265U
496 (406.64min - 496.34max) Points ∼60% -19%
Blender 2.79 / BMW27 CPU
HP Elite Dragonfly-8MK79EA
Intel Core i5-8265U
1039 Seconds * ∼100% -21%
Average of class Convertible
  (246 - 4249, n=80, last 2 years)
936 Seconds * ∼90% -9%
Fujitsu Lifebook U939X
Intel Core i5-8265U
918 Seconds * ∼88% -6%
Fujitsu LifeBook U9310X
Intel Core i5-10210U
862 Seconds * ∼83%
Average Intel Core i5-10210U
  (585 - 1339, n=24)
859 Seconds * ∼83% -0%
Lenovo ThinkPad X13 Yoga 20SX0004GE
Intel Core i7-10510U
838 Seconds * ∼81% +3%
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
679 Seconds * ∼65% +21%
7-Zip 18.03 / 7z b 4 -mmt1
Lenovo ThinkPad X13 Yoga 20SX0004GE
Intel Core i7-10510U
4542 MIPS ∼100% +10%
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
4434 MIPS ∼98% +7%
Average of class Convertible
  (2125 - 5623, n=81, last 2 years)
4405 MIPS ∼97% +7%
Average Intel Core i5-10210U
  (3504 - 4467, n=24)
4205 MIPS ∼93% +2%
Fujitsu LifeBook U9310X
Intel Core i5-10210U
4130 MIPS ∼91%
Fujitsu Lifebook U939X
Intel Core i5-8265U
3962 MIPS ∼87% -4%
HP Elite Dragonfly-8MK79EA
Intel Core i5-8265U
3885 MIPS ∼86% -6%
7-Zip 18.03 / 7z b 4
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
22898 MIPS ∼100% +42%
Average of class Convertible
  (4498 - 57319, n=82, last 2 years)
20774 MIPS ∼91% +29%
Average Intel Core i5-10210U
  (10920 - 21679, n=24)
16808 MIPS ∼73% +4%
Lenovo ThinkPad X13 Yoga 20SX0004GE
Intel Core i7-10510U
16330 MIPS ∼71% +1%
Fujitsu LifeBook U9310X
Intel Core i5-10210U
16102 MIPS ∼70%
Fujitsu Lifebook U939X
Intel Core i5-8265U
15564 MIPS ∼68% -3%
HP Elite Dragonfly-8MK79EA
Intel Core i5-8265U
13812 MIPS ∼60% -14%
Geekbench 5.3 / 64 Bit Single-Core Score
Lenovo ThinkPad X13 Yoga 20SX0004GE
Intel Core i7-10510U
1209 Points ∼100% +13%
Average of class Convertible
  (263 - 1566, n=81, last 2 years)
1203 Points ∼100% +12%
Fujitsu LifeBook U9310X
Intel Core i5-10210U
1072 Points ∼89%
Average Intel Core i5-10210U
  (949 - 1133, n=27)
1071 Points ∼89% 0%
Fujitsu Lifebook U939X
Intel Core i5-8265U
1040 Points ∼86% -3%
Geekbench 5.3 / 64 Bit Multi-Core Score
Average of class Convertible
  (707 - 8620, n=81, last 2 years)
4272 Points ∼100% +11%
Fujitsu LifeBook U9310X
Intel Core i5-10210U
3855 Points ∼90%
Fujitsu Lifebook U939X
Intel Core i5-8265U
3681 Points ∼86% -5%
Lenovo ThinkPad X13 Yoga 20SX0004GE
Intel Core i7-10510U
3637 Points ∼85% -6%
Average Intel Core i5-10210U
  (2079 - 4256, n=27)
3570 Points ∼84% -7%
HWBOT x265 Benchmark v2.2 / 4k Preset
Dell XPS 13 7390 2-in-1 Core i7
Intel Core i7-1065G7
6.38 fps ∼100% +50%
Average of class Convertible
  (0.74 - 15.2, n=79, last 2 years)
5.36 fps ∼84% +26%
Lenovo ThinkPad X13 Yoga 20SX0004GE
Intel Core i7-10510U
4.37 fps ∼68% +3%
Average Intel Core i5-10210U
  (2.36 - 6.28, n=24)
4.31 fps ∼68% +2%
Fujitsu LifeBook U9310X
Intel Core i5-10210U
4.24 fps ∼66%
Fujitsu Lifebook U939X
Intel Core i5-8265U
4.01 fps ∼63% -5%
HP Elite Dragonfly-8MK79EA
Intel Core i5-8265U
3.51 fps ∼55% -17%
LibreOffice / 20 Documents To PDF
Average of class Convertible
  (40.7 - 175, n=76, last 2 years)
66.5 s * ∼100% -21%
Average Intel Core i5-10210U
  (49.6 - 80.3, n=18)
61 s * ∼92% -11%
Fujitsu Lifebook U939X
Intel Core i5-8265U
59.4 s * ∼89% -8%
Lenovo ThinkPad X13 Yoga 20SX0004GE
Intel Core i7-10510U
55 s * ∼83% -0%
Fujitsu LifeBook U9310X
Intel Core i5-10210U
54.9 s * ∼83%
R Benchmark 2.5 / Overall mean
Fujitsu Lifebook U939X
Intel Core i5-8265U
0.736 sec * ∼100% -3%
Average of class Convertible
  (0.504 - 2.12, n=77, last 2 years)
0.736 sec * ∼100% -3%
Average Intel Core i5-10210U
  (0.658 - 0.901, n=24)
0.733 sec * ∼100% -3%
Fujitsu LifeBook U9310X
Intel Core i5-10210U
0.715 sec * ∼97%
Lenovo ThinkPad X13 Yoga 20SX0004GE
Intel Core i7-10510U
0.679 sec * ∼92% +5%

* ... smaller is better

PCMark 10 - Score
Dell XPS 13 7390 2-in-1 Core i7
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Toshiba BG4 KBG40ZPZ512G
4677 Points ∼53% +13%
Average of class Convertible
  (1429 - 5971, n=86, last 2 years)
4311 Points ∼49% +4%
Lenovo ThinkPad X13 Yoga 20SX0004GE
UHD Graphics 620, i7-10510U, Samsung SSD PM981a MZVLB512HBJQ
4276 Points ∼49% +3%
Fujitsu LifeBook U9310X
UHD Graphics 620, i5-10210U, Toshiba KBG40ZNS512G NVMe
4133 Points ∼47%
Average Intel Core i5-10210U, Intel UHD Graphics 620
  (3448 - 4353, n=28)
3988 Points ∼45% -4%
Fujitsu Lifebook U939X
UHD Graphics 620, i5-8265U, Samsung SSD PM981 MZVLB512HAJQ
3805 Points ∼43% -8%
HP Elite Dragonfly-8MK79EA
UHD Graphics 620, i5-8265U, Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H)
3636 Points ∼41% -12%
DPC Latencies / LatencyMon - interrupt to process latency (max), Web, Youtube, Prime95
Fujitsu LifeBook U9310X
UHD Graphics 620, i5-10210U, Toshiba KBG40ZNS512G NVMe
2472.9 μs * ∼100%
Lenovo ThinkPad X13 Yoga 20SX0004GE
UHD Graphics 620, i7-10510U, Samsung SSD PM981a MZVLB512HBJQ
936.8 μs * ∼38% +62%
Fujitsu Lifebook U939X
UHD Graphics 620, i5-8265U, Samsung SSD PM981 MZVLB512HAJQ
560.7 μs * ∼23% +77%

* ... smaller is better

Fujitsu LifeBook U9310X
Toshiba KBG40ZNS512G NVMe
HP Elite Dragonfly-8MK79EA
Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H)
Lenovo ThinkPad X13 Yoga 20SX0004GE
Samsung SSD PM981a MZVLB512HBJQ
Dell XPS 13 7390 2-in-1 Core i7
Toshiba BG4 KBG40ZPZ512G
Fujitsu Lifebook U939X
Samsung SSD PM981 MZVLB512HAJQ
Average Toshiba KBG40ZNS512G NVMe
 
Average of class Convertible
 
CrystalDiskMark 5.2 / 6
-2%
10%
1%
17%
1%
7%
Write 4K
134.21
88.04
-34%
134.5
0%
106.7
-20%
158.5
18%
130 ?(89.3 - 207, n=11)
-3%
132 ?(12.9 - 311, n=85, last 2 years)
-2%
Read 4K
53.44
132.15
147%
61.19
15%
49.94
-7%
47.62
-11%
50.8 ?(41.4 - 61.3, n=11)
-5%
51.9 ?(5.32 - 191, n=85, last 2 years)
-3%
Write Seq
1215.96
502.98
-59%
930.5
-23%
1223
1%
1573
29%
1317 ?(1174 - 1552, n=10)
8%
1372 ?(121 - 4195, n=81, last 2 years)
13%
Read Seq
1291.35
1306.33
1%
2534
96%
1801
39%
1411
9%
1609 ?(1291 - 1858, n=10)
25%
1565 ?(256 - 3234, n=81, last 2 years)
21%
Write 4K Q32T1
401.55
237.3
-41%
375.9
-6%
325.3
-19%
366.1
-9%
363 ?(229 - 510, n=11)
-10%
384 ?(15.2 - 803, n=85, last 2 years)
-4%
Read 4K Q32T1
491.37
287.35
-42%
343.7
-30%
550.5
12%
451.9
-8%
437 ?(353 - 640, n=11)
-11%
395 ?(17.9 - 849, n=85, last 2 years)
-20%
Write Seq Q32T1
1223.5
1242.4
2%
933.6
-24%
1224
0%
1985
62%
1286 ?(683 - 1521, n=11)
5%
1720 ?(109 - 4931, n=85, last 2 years)
41%
Read Seq Q32T1
2314.3
2480.4
7%
3548
53%
2350
2%
3451
49%
2326 ?(2274 - 2375, n=11)
1%
2505 ?(180 - 7103, n=85, last 2 years)
8%
3DMark - 1920x1080 Fire Strike Graphics
Average of class Convertible
  (348 - 13158, n=87, last 2 years)
3301 Points ∼100% +173%
Dell XPS 13 7390 2-in-1 Core i7
Intel Iris Plus Graphics G7 (Ice Lake 64 EU), Intel Core i7-1065G7
3144 Points ∼95% +160%
HP Elite Dragonfly-8MK79EA
Intel UHD Graphics 620, Intel Core i5-8265U
1216 Points ∼37% 0%
Lenovo ThinkPad X13 Yoga 20SX0004GE
Intel UHD Graphics 620, Intel Core i7-10510U
1216 Points ∼37% 0%
Fujitsu LifeBook U9310X
Intel UHD Graphics 620, Intel Core i5-10210U
1210 Points ∼37%
Average Intel UHD Graphics 620
  (557 - 1444, n=209)
1153 Points ∼35% -5%
low med. high ultra
The Witcher 3 (2015) 17 fps
Dota 2 Reborn (2015) 77.1 48.1 21 17.6 fps
X-Plane 11.11 (2018) 12.3 11.1 11.6 fps

Noise emissions

Noise Level

Idle
29.4 / 29.4 / 30.7 dB(A)
Load
32.6 / 33.7 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: 29.4 dB(A)
Fujitsu LifeBook U9310X
UHD Graphics 620, i5-10210U, Toshiba KBG40ZNS512G NVMe
HP Elite Dragonfly-8MK79EA
UHD Graphics 620, i5-8265U, Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H)
Lenovo ThinkPad X13 Yoga 20SX0004GE
UHD Graphics 620, i7-10510U, Samsung SSD PM981a MZVLB512HBJQ
Dell XPS 13 7390 2-in-1 Core i7
Iris Plus Graphics G7 (Ice Lake 64 EU), i7-1065G7, Toshiba BG4 KBG40ZPZ512G
Fujitsu Lifebook U939X
UHD Graphics 620, i5-8265U, Samsung SSD PM981 MZVLB512HAJQ
Noise
1%
-1%
-1%
-2%
off / environment *
29.4
29.5
-0%
29.3
-0%
28.1
4%
29.8
-1%
Idle Minimum *
29.4
29.5
-0%
29.3
-0%
28.1
4%
29.8
-1%
Idle Average *
29.4
30
-2%
29.3
-0%
28.1
4%
29.8
-1%
Idle Maximum *
30.7
30.3
1%
31.4
-2%
28.1
8%
29.8
3%
Load Average *
32.6
31.6
3%
33
-1%
31.7
3%
33.5
-3%
Load Maximum *
33.7
31.6
6%
34.9
-4%
43.4
-29%
36.3
-8%
Witcher 3 ultra *
43.4

* ... smaller is better

dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs2035.130.935.433.633.9253030.928.228.531.53132.336.531.433.236.94030.834.434.432.334.75027.129.131.630.9356324.926.425.424.426.48024.326.525.323.727.610024.324.92425.824.612523.124.923.622.823.316024.124.523.423.823.720022.923.223.122.822.525023.523.123.723.722.531521.721.721.52120.840020.521.120.420.520.150021.121.419.620.419.363021.721.219.419.218.880021.320.319.218.318.2100020.720.318.51818.1125021.820.518.217.217.5160023.422.219.11718.4200024.523.222.416.420.7250025.623.718.41616.9315020.919.516.715.916400020.118.916.315.916.2500017.416.715.915.91663001716.515.915.815.9800016.21615.815.715.81000015.715.715.615.715.61250015.415.615.515.415.61600015.215.215.315.215.4SPL33.732.730.729.429.9N1.81.71.41.31.3median 21.3median 21.1median 19.1median 17.2median 18.2Delta2.43.23.13.13hearing rangehide median Fan NoiseFujitsu LifeBook U9310X

Temperature

Max. Load
 39.8 °C
104 F
42.6 °C
109 F
39.4 °C
103 F
 
 33.1 °C
92 F
39.4 °C
103 F
29.4 °C
85 F
 
 27.5 °C
82 F
28 °C
82 F
26.5 °C
80 F
 
Maximum: 42.6 °C = 109 F
Average: 34 °C = 93 F
44.2 °C
112 F
45.7 °C
114 F
39.3 °C
103 F
29.7 °C
85 F
37.9 °C
100 F
33.7 °C
93 F
26.2 °C
79 F
27.2 °C
81 F
27 °C
81 F
Maximum: 45.7 °C = 114 F
Average: 34.5 °C = 94 F
Power Supply (max.)  35.5 °C = 96 F | Room Temperature 22.2 °C = 72 F | Voltcraft IR-900
(±) The average temperature for the upper side under maximal load is 34 °C / 93 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 42.6 °C / 109 F, compared to the average of 35.3 °C / 96 F, ranging from 21.8 to 55.7 °C for the class Convertible.
(-) The bottom heats up to a maximum of 45.7 °C / 114 F, compared to the average of 36.6 °C / 98 F
(+) In idle usage, the average temperature for the upper side is 23.5 °C / 74 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 28 °C / 82.4 F and are therefore cool to the touch.
(±) The average temperature of the palmrest area of similar devices was 28.5 °C / 83.3 F (+0.5 °C / 0.9 F).
Surface temperatures stress test (top side)
Surface temperatures stress test (top side)
Surface temperatures stress test (bottom side)
Surface temperatures stress test (bottom side)

Speakers

dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs2033.631.92528.528.43133.232.44032.333.65030.9286324.428.38023.728.210025.827.112522.825.116023.82720022.832.425023.741.33152144.240020.54750020.448.263019.253.680018.360.910001863.8125017.266.716001769200016.462.825001662315015.962.1400015.961.6500015.955.1630015.849.6800015.743.81000015.740.91250015.440.51600015.236SPL29.474.6N1.328.3median 17.2median 48.2Delta3.112.631.532.328.628.626.830.326.928.627.429.724.331.223.527.224.727.722.6252334.622.544.822.353.921.158.42062.919.864.119.264.418.267.817.568.617.467.217.267.516.566.716.465.216.261.51660.615.95415.850.115.850.215.64515.341.515.235.629.376.41.235.4median 17.4median 58.42.110.4hearing rangehide median Pink NoiseFujitsu LifeBook U9310XLenovo ThinkPad X13 Yoga 20SX0004GE
Frequency diagram (checkboxes can be checked and unchecked to compare devices)
Fujitsu LifeBook U9310X audio analysis

(±) | speaker loudness is average but good (74.6 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 15.4% lower than median
(±) | linearity of bass is average (11.9% delta to prev. frequency)
Mids 400 - 2000 Hz
(±) | higher mids - on average 11.1% higher than median
(±) | linearity of mids is average (12.5% delta to prev. frequency)
Highs 2 - 16 kHz
(±) | higher highs - on average 8.7% higher than median
(±) | linearity of highs is average (10.1% delta to prev. frequency)
Overall 100 - 16.000 Hz
(-) | overall sound is not linear (36.7% difference to median)
Compared to same class
» 95% of all tested devices in this class were better, 1% similar, 3% worse
» The best had a delta of 6%, average was 21%, worst was 53%
Compared to all devices tested
» 98% of all tested devices were better, 1% similar, 1% worse
» The best had a delta of 3%, average was 20%, worst was 65%

Lenovo ThinkPad X13 Yoga 20SX0004GE audio analysis

(±) | speaker loudness is average but good (76.4 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 17.7% lower than median
(±) | linearity of bass is average (14.9% delta to prev. frequency)
Mids 400 - 2000 Hz
(±) | higher mids - on average 7.8% higher than median
(+) | mids are linear (3.9% delta to prev. frequency)
Highs 2 - 16 kHz
(±) | reduced highs - on average 6.6% lower than median
(±) | linearity of highs is average (7.6% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (26.9% difference to median)
Compared to same class
» 85% of all tested devices in this class were better, 4% similar, 10% worse
» The best had a delta of 7%, average was 21%, worst was 51%
Compared to all devices tested
» 83% of all tested devices were better, 5% similar, 12% worse
» The best had a delta of 3%, average was 20%, worst was 65%

Energy absorption

Power Consumption
Off / Standbydarklight 0.14 / 0.52 Watt
Idledarkmidlight 2.9 / 5.8 / 9.6 Watt
Load midlight 34.6 / 50.7 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.

Battery life

Battery Runtime - WiFi Websurfing 1.3
Fujitsu LifeBook U9310X
i5-10210U, UHD Graphics 620, 50 Wh
694 min ∼26%
Fujitsu Lifebook U939X
i5-8265U, UHD Graphics 620, 50 Wh
627 min ∼24% -10%
HP Elite Dragonfly-8MK79EA
i5-8265U, UHD Graphics 620, 56.2 Wh
605 min ∼23% -13%
Average of class Convertible
  (248 - 1141, n=95, last 2 years)
573 min ∼22% -17%
Dell XPS 13 7390 2-in-1 Core i7
i7-1065G7, Iris Plus Graphics G7 (Ice Lake 64 EU), 51 Wh
537 min ∼20% -23%
Lenovo ThinkPad X13 Yoga 20SX0004GE
i7-10510U, UHD Graphics 620, 50 Wh
491 min ∼19% -29%
Battery Runtime
NBC WiFi Websurfing Battery Test 1.3
11h 34min
NBC WiFi Websurfing Battery Test 1.3 max Brightness
8h 08min
Load (maximum brightness)
3h 05min

Pros

+ lightweight magnesium case
+ matte touchscreen with accurate color display
+ many ports
+ long battery life
+ good system performance
+ LTE included

Cons

- Working memory not expandable
- PWM with a low frequency
- Touchpad rattles slightly
- mediocre keyboard
- reduced CPU and GPU performance on battery power

Verdict - Lifebook U9310X remains an extremely mobile convertible with many ports

In review: Fujitsu Lifebook U9310X. Test device provided by Fujitsu Germany.
In review: Fujitsu Lifebook U9310X. Test device provided by Fujitsu Germany.

Fujitsu only slightly updates its business convertible with the Lifebook UX9310X, because there are no changes apart from a Wi-Fi 6 module and the Comet Lake processor. The great strength remains the sturdy and light magnesium case as well as the numerous ports and security features. You do not have to rely on adapters here. In addition, the convertible is versatile with its matte touchscreen, and you are always connected to the Internet thanks to integrated LTE. The battery life is also good.

The power yield is not overwhelming, but it is perfectly sufficient for many common office applications. The performance (especially iGPU) is only reduced significantly in battery mode. At the same time, temperatures and fan noise remain within limits

The Fujitsu Lifebook U9310X convinces with its mobility including built-in LTE and extensive connectivity. However, we would like to see improved input devices and a 16:10 touchscreen for the next update.

The weak points are still the input devices. They are not bad, but other business convertibles clearly have an advantage here. Fujitsu should definitely keep the matte touchscreen, but a change to a 16:10 panel would be desirable. We also expect a change to Intel's Tiger-Lake CPUs or perhaps even AMD's Ryzen CPUs for the next model, although AMD is hardly represented in business convertibles so far (which is true for almost all manufacturers).

Price and availability

The tested model is currently available at Cyberport, among others, for just under 1,800 Euros. Alternatively, a cheaper configuration without LTE is also available for around 1,400 Euros.

Fujitsu LifeBook U9310X - 01/09/2021 v7
Andreas Osthoff

Chassis
80 / 98 → 81%
Keyboard
72%
Pointing Device
82%
Connectivity
79 / 75 → 100%
Weight
75 / 20-75 → 99%
Battery
89%
Display
87%
Games Performance
51 / 78 → 65%
Application Performance
85 / 85 → 100%
Temperature
92%
Noise
96%
Audio
51 / 91 → 56%
Camera
37 / 85 → 44%
Average
75%
86%
Convertible - Weighted Average

Pricecompare

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Andreas Osthoff
Editor of the original article: Andreas Osthoff - Managing Editor Business Laptops - 1342 articles published on Notebookcheck since 2013
I grew up with modern consumer electronics and my first computer was a Commodore C64, which encouraged my interest in building my own systems. I started working as a review editor for Notebookcheck during my dual studies at Siemens. Currently, I am mainly responsible for dealing with business laptops and mobile workstations. It’s a great experience to be able to review the latest devices and technologies and then compare them with each other.
Ninh Duy
Translator: Ninh Duy - Editorial Assistant - 207612 articles published on Notebookcheck since 2008
My main responsibility as an editorial assistant is maintaining the Library section, which aggregates reviews from other publications and channels. In addition, my daily breakfast is Notebookcheck's long list of new content, which I comb through to select the most interesting topics for translation from English to French, Italian, Spanish, Portuguese, and Dutch."
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> Notebook / Laptop Reviews and News > Reviews > Fujitsu Lifebook U9310X - 1 kg business convertible with LTE in review
Andreas Osthoff, 2021-01- 9 (Update: 2021-01- 9)