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Fujitsu LifeBook T935 Convertible Review

Sascha Mölck, Stefanie Voigt (translated by Liala Stieglitz), 05/10/2015

Broadwell upgrade. Fujitsu does not hold back in its 13.3-inch LifeBook T935: A slim metal casing as well as a hinged display is configured with decent hardware, costing almost 2000 Euros (~$2244). However, the computer exhibits some weaknesses.

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We now have the LifeBook T935, a new edition of Fujitsu's 13.3-inch business convertible. Outwardly, nothing has changed compared with the former LifeBook T904 model. However, the built-in components have undergone some modifications: The Haswell processors have been replaced by CPUs from the Broadwell generation. Our report reveals whether the LifeBook benefits from the new processors.

The LifeBook finds rivals in various device categories. Of course, convertibles like Lenovo's ThinkPad Yoga 14Dell's Latitude 13 7350Toshiba's Portégé Z20t-B are but a few of them. Tablets, such as Microsoft's Surface Pro 3, can also be named. However, even conventional 13.3 and 14-inch laptops, like Acer's TravelMate P645-S or HP's EliteBook 840 G2, are rivals.

Since the LifeBook T904 and the LifeBook T935 both feature an identical build, we will not go into details about casing, connectivity, input devices or speakers. The corresponding information can be found in the review of the LifeBook T904.

Fujitsu LifeBook T935 (Lifebook T Series)
Graphics adapter
Intel HD Graphics 5500, Core: 300-900 MHz, Single-Channel, 10.18.10.3977
Memory
8192 MB 
, DDR3-1600, single-channel, one memory bank (filled)
Display
13.3 inch 16:9, 1920 x 1080 pixel, capacitive touchscreen, 10 touch points, Sharp LQ133M1JW01, IPS, glossy: yes
Mainboard
Intel Broadwell-U PCH-LP (Premium)
Storage
Samsung SSD PM851 256 GB MZ7TE256HMHP, 256 GB 
, 200 GB free
Soundcard
Realtek ALC283 @ Intel Broadwell PCH-LP High Definition Audio Controller
Connections
2 USB 3.0 / 3.1 Gen1, 1 HDMI, 1 Kensington Lock, 1 Docking Station Port, Audio Connections: combo audio, Card Reader: SD, 1 SmartCard, 1 Fingerprint Reader, Sensors: brightness sensor, alignment sensor, gyroscope, magnetic field sensor, TPM 1.2
Networking
Intel I218-LM Gigabit (10/100/1000MBit), Intel Dual Band Wireless-AC 7265 (a/b/g/h/n/ac), Bluetooth 4.0, Sierra EM7305 LTE
Size
height x width x depth (in mm): 19.3 x 321 x 235 ( = 0.76 x 12.64 x 9.25 in)
Battery
45 Wh Lithium-Ion, 14.4 V, 3150 mAh
Operating System
Microsoft Windows 8.1 Pro 64 Bit
Camera
Webcam: HD webcam
Additional features
Speakers: stereo, Keyboard: chiclet, Keyboard Light: yes, recovery DVD, driver DVD, Cyberlink YouCam 5, McAfee Multi Access Internet Security (trial), MS Office (trial), 36 Months Warranty
Weight
1.6 kg ( = 56.44 oz / 3.53 pounds), Power Supply: 190 g ( = 6.7 oz / 0.42 pounds)
Price
1949 Euro
Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

 

Display

The LifeBook T935 is equipped with a 13.3-inch touchscreen. It has a native resolution of 1920x1080 pixels. The laptop is also available with a WQHD touchscreen (2560x1440 pixels). The screen of our review sample has a very low brightness of 192.8 cd/m². Such a low rate is not sufficient for a portable laptop - especially when its screen is glossy. We would have expected a rate of at least 300 cd/m² here. After all, it should be assumed that a laptop would be used in a variety of light conditions.

189
cd/m²
203
cd/m²
197
cd/m²
190
cd/m²
209
cd/m²
196
cd/m²
175
cd/m²
183
cd/m²
193
cd/m²
Distribution of brightness
X-Rite i1Pro 2
Maximum: 209 cd/m² Average: 192.8 cd/m²
Brightness Distribution: 84 %
Center on Battery: 210 cd/m²
Contrast: 836:1 (Black: 0.25 cd/m²)
ΔE Color 3.48 | 0.4-29.43 Ø6.2
ΔE Greyscale 4.96 | 0.64-98 Ø6.4
Gamma: 2.51

The screen's contrast (836:1) and black level (0.25 cd/m²) do not give any cause for complaint. We cannot say anything about the screen's color space coverage because the measuring software crashed every time we tried. The screen's color reproduction is already appealing in state-of-delivery. Its DeltaE shift was 3.48, which just misses the target range (DeltaE less than 3). It does not have a bluish cast.

CalMAN - ColorChecker
CalMAN - ColorChecker
CalMAN - Grayscale
CalMAN - Grayscale
CalMAN - Saturation Sweeps
CalMAN - Saturation Sweeps

Fujitsu has equipped the convertible with an IPS screen. The feature of this kind of screen is its wide and stable viewing angles. Therefore, the screen remains legible in every position. However, the screen's low brightness and glossy surface make outdoor use impossible.

Viewing angles: LifeBook
Viewing angles: LifeBook
The LifeBook outdoors
The LifeBook outdoors
Fujitsu LifeBook T935
IPS 1920x1080
Fujitsu Lifebook T904
IPS 2560x1440
Dell Latitude 13 7350
IPS 1920x1080
Lenovo ThinkPad Yoga 14
IPS 1920x1080
Acer TravelMate P645-S-58HK
IPS 1920x1080
HP EliteBook 840 G2
TN 1600x900
Microsoft Surface Pro 3
IPS 2160x1440
Screen
23%
32%
-1%
6%
-96%
12%
Brightness middle
209
259
24%
371
78%
286
37%
331
58%
267
28%
355.3
70%
Brightness
193
255
32%
339
76%
274
42%
309
60%
240
24%
338
75%
Brightness Distribution
84
73
-13%
82
-2%
90
7%
82
-2%
84
0%
91
8%
Black Level *
0.25
0.16
36%
0.27
-8%
0.3
-20%
0.4
-60%
0.8
-220%
0.33
-32%
Contrast
836
1619
94%
1374
64%
953
14%
828
-1%
334
-60%
1077
29%
Colorchecker DeltaE2000 *
3.48
4.27
-23%
3.1
11%
5.62
-61%
4.07
-17%
12.71
-265%
4.72
-36%
Greyscale DeltaE2000 *
4.96
4.32
13%
4.65
6%
6.19
-25%
4.86
2%
13.91
-180%
6.53
-32%
Gamma
2.51 88%
2.67 82%
2.47 89%
2.35 94%
2.49 88%
2.35 94%
2.17 101%
CCT
6712 97%
6790 96%
6986 93%
5606 116%
6109 106%
20099 32%
6707 97%
Color Space (Percent of AdobeRGB 1998)
60
59
37.2
59.37
Color Space (Percent of sRGB)
90.6

* ... smaller is better

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Performance

With the LifeBook T935, Fujitsu has a 13.3-inch business convertible in its lineup. It is equipped with a TPM, a docking port, and LTE among other features. Our review sample is available for just under 2000 Euros (~$2244). Fujitsu also has other configurations in the series.

CPU-Z
CPU-Z
CPU-Z
CPU-Z
CPU-Z
GPU-Z
HWInfo
LatencyMon
System information: Fujitsu LifeBook T935

Processor

An Intel Core i5-5300U (Broadwell) dual-core processor beats inside the LifeBook. It is a frugal ULV processor that clocks at a base speed of 2.3 GHz. Its speed can be boosted to 2.7 GHz (both cores) or 2.9 GHz (one core). The Turbo is utilized in both AC and battery mode. The Multithread tests were mostly performed at 2.2 GHz. The processor sometimes accelerated to 2.7 GHz. However, the Turbo's utilization varied in every run, and thus the scores of the benchmarks we performed were different every time. We ascertained rates ranging from 2.47 to 2.71 GHz in the Multithread test of the Cinebench R11.5 benchmarks. It looked similar in the single thread tests with speeds ranging from 2.7 to 2.9 GHz. In our benchmark tests, the processor remained short of its potential because it could never max out its Turbo. We observed the same behavior in the LifeBook T904.

Cinebench R10 Shading 32Bit
4226
Cinebench R10 Rendering Multiple CPUs 32Bit
6324
Cinebench R10 Rendering Single 32Bit
3941
Cinebench R11.5 OpenGL 64Bit
16.72 fps
Cinebench R11.5 CPU Multi 64Bit
2.71 Points
Cinebench R11.5 CPU Single 64Bit
1.37 Points
Cinebench R15 Ref. Match 64Bit
98 %
Cinebench R15 OpenGL 64Bit
23.63 fps
Cinebench R15 CPU Multi 64Bit
250 Points
Cinebench R15 CPU Single 64Bit
107 Points
Help
Cinebench R15
CPU Single 64Bit (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
107 Points ∼49%
Fujitsu Lifebook T904
HD Graphics 4400, 4600U, Toshiba HG5d THNSNH256GCST
120 Points ∼55% +12%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
79 Points ∼36% -26%
Lenovo ThinkPad Yoga 14
GeForce 840M, 5500U, Samsung SSD PM851 512 GB MZ7TE512HMHP
110 Points ∼50% +3%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
97 Points ∼44% -9%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
91 Points ∼42% -15%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
109 Points ∼50% +2%
HP Elitebook 745 G2
Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630
49 Points ∼22% -54%
CPU Multi 64Bit (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
250 Points ∼6%
Fujitsu Lifebook T904
HD Graphics 4400, 4600U, Toshiba HG5d THNSNH256GCST
229 Points ∼5% -8%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
139 Points ∼3% -44%
Lenovo ThinkPad Yoga 14
GeForce 840M, 5500U, Samsung SSD PM851 512 GB MZ7TE512HMHP
260 Points ∼6% +4%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
190 Points ∼4% -24%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
250 Points ∼6% 0%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
259 Points ∼6% +4%
HP Elitebook 745 G2
Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630
162 Points ∼4% -35%
Cinebench R11.5
CPU Single 64Bit (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
1.37 Points ∼56%
Fujitsu Lifebook T904
HD Graphics 4400, 4600U, Toshiba HG5d THNSNH256GCST
1.36 Points ∼56% -1%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
0.92 Points ∼38% -33%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
1.15 Points ∼47% -16%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
1.04 Points ∼43% -24%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
1.26 Points ∼52% -8%
HP Elitebook 745 G2
Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630
0.68 Points ∼28% -50%
Microsoft Surface Pro 3
HD Graphics 4400, 4300U, Hynix HFS128G3MNM
1.12 Points ∼46% -18%
CPU Multi 64Bit (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
2.71 Points ∼10%
Fujitsu Lifebook T904
HD Graphics 4400, 4600U, Toshiba HG5d THNSNH256GCST
2.49 Points ∼9% -8%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
1.53 Points ∼6% -44%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
2.14 Points ∼8% -21%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
2.5 Points ∼9% -8%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
2.81 Points ∼10% +4%
HP Elitebook 745 G2
Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630
1.83 Points ∼7% -32%
Microsoft Surface Pro 3
HD Graphics 4400, 4300U, Hynix HFS128G3MNM
2.77 Points ∼10% +2%
Cinebench R10
Rendering Single 32Bit (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
3941 Points ∼36%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
2830 Points ∼26% -28%
Lenovo ThinkPad Yoga 14
GeForce 840M, 5500U, Samsung SSD PM851 512 GB MZ7TE512HMHP
4662 Points ∼43% +18%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
3810 Points ∼35% -3%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
3449 Points ∼32% -12%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
4113 Points ∼38% +4%
Microsoft Surface Pro 3
HD Graphics 4400, 4300U, Hynix HFS128G3MNM
3675 Points ∼34% -7%
Rendering Multiple CPUs 32Bit (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
6324 Points ∼13%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
4964 Points ∼10% -22%
Lenovo ThinkPad Yoga 14
GeForce 840M, 5500U, Samsung SSD PM851 512 GB MZ7TE512HMHP
9632 Points ∼19% +52%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
6606 Points ∼13% +4%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
7683 Points ∼15% +21%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
8851 Points ∼18% +40%
Microsoft Surface Pro 3
HD Graphics 4400, 4300U, Hynix HFS128G3MNM
7067 Points ∼14% +12%
Geekbench 3
32 Bit Multi-Core Score (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
5370 Points ∼17%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
3293 Points ∼11% -39%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
4348 Points ∼14% -19%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
4691 Points ∼15% -13%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
4937 Points ∼16% -8%
HP Elitebook 745 G2
Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630
3733 Points ∼12% -30%
32 Bit Single-Core Score (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
2637 Points ∼56%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
1977 Points ∼42% -25%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
2493 Points ∼53% -5%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
2270 Points ∼48% -14%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
2451 Points ∼52% -7%
HP Elitebook 745 G2
Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630
1390 Points ∼30% -47%
Sunspider - 1.0 Total Score (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
104.2 ms * ∼1%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
170.4 ms * ∼2% -64%
Lenovo ThinkPad Yoga 14
GeForce 840M, 5500U, Samsung SSD PM851 512 GB MZ7TE512HMHP
99.8 ms * ∼1% +4%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
108.1 ms * ∼1% -4%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
129.6 ms * ∼1% -24%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
125.3 ms * ∼1% -20%
Mozilla Kraken 1.1 - Total Score (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
2386.3 ms * ∼4%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
3302.1 ms * ∼6% -38%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
2360.3 ms * ∼4% +1%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
2965.9 ms * ∼5% -24%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
2581.6 ms * ∼4% -8%
Octane V2 - Total Score (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
13403 Points ∼27%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
9354 Points ∼19% -30%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
13528 Points ∼27% +1%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
11048 Points ∼22% -18%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
12822 Points ∼26% -4%
Peacekeeper - --- (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
2643 Points ∼43%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
1888 Points ∼30% -29%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
2593 Points ∼42% -2%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
2056 Points ∼33% -22%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
2414 Points ∼39% -9%

* ... smaller is better

System Performance

Thanks to its strong processor and a fast solid-state drive, the laptop runs smoothly. We did not experience any problems. Overall, the PCMark benchmark scores are good, but they lag behind comparable laptops like the LifeBook S935. We see two reasons for this: First, the CPU cannot fully utilize its Turbo, and second, the working memory in the T935 operates in single-channel mode. The user cannot change either of these points because the LifeBook has only one working memory bank.

PCMark 7 Score
4476 points
PCMark 8 Home Score Accelerated v2
2743 points
PCMark 8 Creative Score Accelerated v2
3414 points
PCMark 8 Work Score Accelerated v2
3905 points
Help
PCMark 8 - Home Score Accelerated v2 (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
2743 Points ∼45%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
2138 Points ∼35% -22%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
2816 Points ∼46% +3%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
2919 Points ∼48% +6%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
2936 Points ∼48% +7%
HP Elitebook 745 G2
Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630
2444 Points ∼40% -11%
PCMark 7 - Score (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
4476 Points ∼52%
Fujitsu Lifebook T904
HD Graphics 4400, 4600U, Toshiba HG5d THNSNH256GCST
4837 Points ∼56% +8%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
3965 Points ∼46% -11%
Lenovo ThinkPad Yoga 14
GeForce 840M, 5500U, Samsung SSD PM851 512 GB MZ7TE512HMHP
4967 Points ∼58% +11%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
4421 Points ∼51% -1%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
4046 Points ∼47% -10%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
4139 Points ∼48% -8%
HP Elitebook 745 G2
Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630
2005 Points ∼23% -55%
Microsoft Surface Pro 3
HD Graphics 4400, 4300U, Hynix HFS128G3MNM
5066 Points ∼59% +13%

Storage Device

Fujitsu has installed a fast solid-state drive in the LifeBook. The SSD comes from Samsung and has a total capacity of 256 GB. The owner has approximately 200 GB available for use. The rest is reserved for the recovery partition and Windows installation. The SSD achieves good transfer rates. It is a 2.5-inch model (7 mm/~0.27 in height). Theoretically, replacing the SSD would be easy, but it proved difficult in practice. Since the LifeBook does not have a maintenance cover, the base unit's tray has to be removed for accessing the hardware. Even after removing all the screws, the tray still fits very firmly on both sides. Eventually we dispensed with opening the case to prevent damaging it.

Samsung SSD PM851 256 GB MZ7TE256HMHP
Sequential Read: 522.3 MB/s
Sequential Write: 241.7 MB/s
512K Read: 429.5 MB/s
512K Write: 242 MB/s
4K Read: 35.38 MB/s
4K Write: 98.62 MB/s
4K QD32 Read: 365.4 MB/s
4K QD32 Write: 241.7 MB/s

Graphics Card

The LifeBook does not have a dedicated graphics card; Fujitsu relies on Intel's integrated HD Graphics 5500. The GPU supports DirectX 11.2 and clocks at up to 900 MHz. The 3DMark benchmark results are in line with the GPU's performance potential. It could achieve somewhat better results if the working memory in the LifeBook operated in dual-channel mode. However, this is not possible because only one working memory bank is available. The LifeBook T904 sister model still features the precursor of the HD Graphics 5500 core - the HD Graphics 4400. The new GPU offers roughly 10 to 20% more graphics power than its precursor. The graphics core is not only responsible for rendering graphics; it also unloads the main processor when playing videos. The processor's load is below 20% when playing a Full HD video (H.264 encoding).

3DMark 11 Performance
986 points
3DMark Ice Storm Standard Score
39545 points
3DMark Cloud Gate Standard Score
4382 points
3DMark Fire Strike Score
541 points
Help
3DMark 11 - 1280x720 Performance (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
986 Points ∼3%
Fujitsu Lifebook T904
HD Graphics 4400, 4600U, Toshiba HG5d THNSNH256GCST
790 Points ∼3% -20%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
625 Points ∼2% -37%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
775 Points ∼2% -21%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
1183 Points ∼4% +20%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
940 Points ∼3% -5%
HP Elitebook 745 G2
Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630
1188 Points ∼4% +20%
Microsoft Surface Pro 3
HD Graphics 4400, 4300U, Hynix HFS128G3MNM
877 Points ∼3% -11%
3DMark
1920x1080 Fire Strike Score (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
541 Points ∼2%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
374 Points ∼1% -31%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
453 Points ∼2% -16%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
734 Points ∼3% +36%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
548 Points ∼2% +1%
HP Elitebook 745 G2
Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630
578 Points ∼2% +7%
Microsoft Surface Pro 3
HD Graphics 4400, 4300U, Hynix HFS128G3MNM
483 Points ∼2% -11%
1280x720 Sky Diver Score (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
2217 Points ∼4%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
1387 Points ∼2% -37%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
2759 Points ∼5% +24%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
2372 Points ∼4% +7%
HP Elitebook 745 G2
Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630
2446 Points ∼4% +10%
Microsoft Surface Pro 3
HD Graphics 4400, 4300U, Hynix HFS128G3MNM
2018 Points ∼3% -9%
1280x720 Cloud Gate Standard Score (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
4382 Points ∼8%
Fujitsu Lifebook T904
HD Graphics 4400, 4600U, Toshiba HG5d THNSNH256GCST
3924 Points ∼7% -10%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
2799 Points ∼5% -36%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
3585 Points ∼6% -18%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
5000 Points ∼9% +14%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
4342 Points ∼7% -1%
HP Elitebook 745 G2
Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630
3158 Points ∼5% -28%
Microsoft Surface Pro 3
HD Graphics 4400, 4300U, Hynix HFS128G3MNM
4146 Points ∼7% -5%
1280x720 Ice Storm Standard Score (sort by value)
Fujitsu LifeBook T935
HD Graphics 5500, 5300U, Samsung SSD PM851 256 GB MZ7TE256HMHP
39545 Points ∼4%
Fujitsu Lifebook T904
HD Graphics 4400, 4600U, Toshiba HG5d THNSNH256GCST
35450 Points ∼3% -10%
Dell Latitude 13 7350
HD Graphics 5300, 5Y10, Toshiba HG6 THNSNJ256G8NU
28312 Points ∼3% -28%
Toshiba Portege Z20t-B-10C
HD Graphics 5300, 5Y71, Toshiba HG6 THNSNJ256GVNU
35835 Points ∼3% -9%
Acer TravelMate P645-S-58HK
HD Graphics 5500, 5200U, Kingston RBU-SNS8100S3256GD
48758 Points ∼4% +23%
HP EliteBook 840 G2
HD Graphics 5500, 5200U, Samsung SSD PM851 256 GB MZ7TE256HMHP
37502 Points ∼3% -5%
HP Elitebook 745 G2
Radeon R6 (Kaveri), A10 Pro-7350B, Hitachi Travelstar Z7K500 HTS725050A7E630
32355 Points ∼3% -18%
Microsoft Surface Pro 3
HD Graphics 4400, 4300U, Hynix HFS128G3MNM
29229 Points ∼3% -26%

Gaming Performance

The frame rates in games are lower than a comparably equipped laptop, such as the LifeBook S935 (dual-channel mode enabled), because the working memory in the LifeBook operates only in single-channel mode. Thus, even games with a low hardware requirement provide playable frame rates only in low resolutions and low quality settings at best.

low med. high ultra
Tomb Raider (2013) 41.921.914.57.3fps
Thief (2014) 10.96.84.32.4fps
GRID: Autosport (2014) 6722.913.612.5fps

Emissions

System Noise

The user of the T935 will be spared from any noise. The fan is normally inactive in idle mode. The convertible then runs silently. The fans increase their speed very slightly under load. We measured a noise level of 32.7 dB(A) during the stress test. Many other laptops achieve this rate just in idle mode.

Noise Level

Idle
29.2 / 29.2 / 29.2 dB(A)
Load
32.4 / 32.4 dB(A)
  red to green bar
 
 
30 dB
silent
40 dB(A)
audible
50 dB(A)
loud
 
min: dark, med: mid, max: light   Voltcraft sl-451 (15 cm distance)
Fujitsu LifeBook T935
5500/5300U
Fujitsu Lifebook T904
4400/4600U
Lenovo ThinkPad Yoga 14
840M/5500U
Acer TravelMate P645-S-58HK
5500/5200U
HP EliteBook 840 G2
5500/5200U
Microsoft Surface Pro 3
4400/4300U
Noise
-10%
-3%
-5%
-1%
-9%
off / environment *
Idle Minimum *
29.2
29.6
-1%
29.6
-1%
29.6
-1%
29.1
-0%
30.1
-3%
Idle Average *
29.2
29.6
-1%
29.6
-1%
29.6
-1%
29.1
-0%
30.2
-3%
Idle Maximum *
29.2
29.6
-1%
29.6
-1%
30.2
-3%
29.1
-0%
30.4
-4%
Load Average *
32.4
40.2
-24%
34.2
-6%
35.6
-10%
32.2
1%
31.9
2%
Load Maximum *
32.4
40.4
-25%
34.5
-6%
35.9
-11%
34.2
-6%
44.4
-37%

* ... smaller is better

Temperature

The LifeBook in the stress test
The LifeBook in the stress test

The CPU clocks at 2.3 GHz and the GPU at 900 MHz in the first few minutes, before throttling to 1.3 to 1.4 (processor) and 650 to 700 MHz (graphics core). These rates are maintained for approximately 30 minutes. The graphics core's speed drops to 500 to 550 MHz, while the CPU accelerates to 2.2 GHz. These speeds then remain stable. The LifeBook does not get excessively warm. The casing's temperatures come close to forty degrees Celsius (~104 °F) at two measuring points.

Max. Load
 39.7 °C
103 F
36.6 °C
98 F
28.2 °C
83 F
 
 35.8 °C
96 F
38.5 °C
101 F
27.8 °C
82 F
 
 31.6 °C
89 F
27.6 °C
82 F
27.5 °C
82 F
 
Maximum: 39.7 °C = 103 F
Average: 32.6 °C = 91 F
27.4 °C
81 F
32.5 °C
91 F
35.1 °C
95 F
26.6 °C
80 F
32.1 °C
90 F
35.1 °C
95 F
27.3 °C
81 F
26.1 °C
79 F
27.9 °C
82 F
Maximum: 35.1 °C = 95 F
Average: 30 °C = 86 F
Power Supply (max.)  37.3 °C = 99 F | Room Temperature 20.6 °C = 69 F | Fluke 62 Max
(±) The average temperature for the upper side under maximal load is 32.6 °C / 91 F, compared to the average of 30.4 °C / 87 F for the devices in the class Convertible.
(+) The maximum temperature on the upper side is 39.7 °C / 103 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 35.1 °C / 95 F, compared to the average of 36.5 °C / 98 F
(+) In idle usage, the average temperature for the upper side is 27 °C / 81 F, compared to the device average of 30.4 °C / 87 F.
(+) The palmrests and touchpad are cooler than skin temperature with a maximum of 31.6 °C / 88.9 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 (-2.5 °C / -4.5 F).
Fujitsu LifeBook T935
5500/5300U
Fujitsu Lifebook T904
4400/4600U
Dell Latitude 13 7350
5300/5Y10
Lenovo ThinkPad Yoga 14
840M/5500U
Acer TravelMate P645-S-58HK
5500/5200U
HP EliteBook 840 G2
5500/5200U
Heat
5%
-1%
-11%
-8%
-3%
Maximum Upper Side *
39.7
39.1
2%
38.3
4%
43.5
-10%
41.6
-5%
37.5
6%
Maximum Bottom *
35.1
34.1
3%
34.2
3%
47
-34%
41.7
-19%
38.4
-9%
Idle Upper Side *
28.2
26.3
7%
30.9
-10%
26.7
5%
30.6
-9%
28.7
-2%
Idle Bottom *
27.8
25.7
8%
28
-1%
28.8
-4%
27.5
1%
30.1
-8%

* ... smaller is better

Energy Management

Power Consumption

Fujitsu's convertible did not display high power consumption while idling. We measured a maximum power consumption of 5.6 watts, which is a touch less than its T904 sister model. The energy requirement climbed to 38 watts for a moment in the stress test. Since both the CPU and GPU were throttled, the power consumption dropped to 22.8 watts. The power supply has enough reserves with a rated output of 65 watts.

Power Consumption
Off / Standbydarklight 0 / 0.1 Watt
Idledarkmidlight 2.1 / 5 / 5.6 Watt
Load midlight 24.6 / 38 Watt
 color bar
Key: min: dark, med: mid, max: light        Extech Power Analyzer 380803
Fujitsu LifeBook T935
5500/5300U
Fujitsu Lifebook T904
4400/4600U
Dell Latitude 13 7350
5300/5Y10
Lenovo ThinkPad Yoga 14
840M/5500U
Acer TravelMate P645-S-58HK
5500/5200U
HP EliteBook 840 G2
5500/5200U
Power Consumption
-4%
-21%
-36%
-27%
-9%
Idle Minimum *
2.1
2.7
-29%
4.3
-105%
3.1
-48%
3.2
-52%
2.6
-24%
Idle Average *
5
6
-20%
6.9
-38%
7.2
-44%
6.3
-26%
5.1
-2%
Idle Maximum *
5.6
6.2
-11%
9.1
-63%
7.7
-38%
8.6
-54%
5.8
-4%
Load Average *
24.6
24
2%
14.6
41%
36.2
-47%
30.3
-23%
28.7
-17%
Load Maximum *
38
24
37%
16.1
58%
38.5
-1%
30.4
20%
36.8
3%

* ... smaller is better

Battery Runtime

The LifeBook achieved an idle runtime of 20:17 hours. Rivals such as Lenovo's ThinkPad Yoga 14 (12:17h), are depleted sooner. Idle mode is ascertained using the Battery Eater Reader test. The screen is set to minimum, the energy saving profile is enabled, and the Wi-Fi modules are off. The LifeBook shut down after 1:40 hours of load. We did not perform this test with the ThinkPad. The load runtime is measured with the Battery Eater Classic test using maximum screen brightness, the high performance plan, and enabled wireless modules.

The T935 stopped the real-life Wi-Fi test after 6:08 hours. The ThinkPad (5:25 h) is on par. In this test, websites are opened automatically every 40 seconds. The "Balanced" profile is enabled, and the screen's brightness is set to approximately 150 cd/m². We test the video playback time by running the short movie Big Buck Bunny (H.264 encoding, 1920x1080 pixels) in a loop. The wireless modules are disabled, and the screen's brightness is set to approximately 150 cd/m². The LifeBook managed a runtime of 5:35 hours. This test was not performed on the ThinkPad.

Overall, the T935's battery life is roughly on par with that of its LifeBook T904 sister model. Apart from the idle runtimes, the rates did not really impress us. We would have expected more from a 13.3-inch ULV convertible. Fujitsu does not have secondary batteries in its range.

The battery has a capacity of 45 Wh.
The battery has a capacity of 45 Wh.
Battery Runtime
Idle (without WLAN, min brightness)
20h 17min
NBC WiFi Websurfing Battery Test 1.3 (IE 11)
6h 08min
Big Buck Bunny H.264 1080p
5h 35min
Load (maximum brightness)
1h 40min
Fujitsu LifeBook T935
45 Wh
Fujitsu Lifebook T904
45 Wh
Dell Latitude 13 7350
50 Wh
Lenovo ThinkPad Yoga 14
56 Wh
Acer TravelMate P645-S-58HK
54 Wh
HP EliteBook 840 G2
50 Wh
Microsoft Surface Pro 3
42.2 Wh
Battery Runtime
4%
66%
-39%
27%
1%
7%
Reader / Idle
1217
1055
-13%
953
-22%
747
-39%
1143
-6%
961
-21%
1096
-10%
H.264
335
472
41%
525
57%
324
-3%
WiFi v1.3
368
535
45%
422
15%
Load
100
120
20%
278
178%
113
13%
112
12%
124
24%
WiFi
411
522
352
504

Pros

+ High-contrast IPS screen
+ Slim appearance
+ Low noise development
+ Low temperature development
+ Swift SSD
+ LTE modem
+ 3-year warranty

Cons

- Dark screen
- CPU cannot fully utilize its Turbo

Verdict

Fujitsu LifeBook T935, courtesy of Fujitsu.
Fujitsu LifeBook T935, courtesy of Fujitsu.

The name of the LifeBook T935 does not immediately suggest that it is the Broadwell upgrade of the LifeBook T904. Fujitsu's 13.3-inch convertible features everything that is expected from a laptop: TPM, docking port, LTE. The installed processor is sufficient for everyday use. Unfortunately, it cannot develop its full potential. However, the laptop runs mostly silently and barely heats up. A fast SSD ensures a speedy system, and the input devices are impressive.

Despite the purchase price of just under 2000 Euros (~$2244), Fujitsu's convertible has weaknesses.

The battery life in our real-life Wi-Fi and video tests was good, but it is nothing to brag about. We would have expected a little more from a 13.3-inch ULV computer. The screen is not entirely impressive either. Although Fujitsu has installed a high-contrast Full HD IPS screen, it has a very low brightness.

Fujitsu LifeBook T935 - 05/04/2015 v4(old)
Sascha Mölck

Chassis
85 / 98 → 87%
Keyboard
83%
Pointing Device
80%
Connectivity
69 / 80 → 86%
Weight
68 / 35-78 → 77%
Battery
88%
Display
81%
Games Performance
52 / 68 → 76%
Application Performance
79 / 87 → 91%
Temperature
91%
Noise
96%
Audio
35 / 91 → 38%
Average
76%
81%
Convertible - Weighted Average

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> Notebook / Laptop Reviews and News > Reviews > Archive of our own reviews > Fujitsu LifeBook T935 Convertible Review
Sascha Mölck, 2015-05-10 (Update: 2015-05-10)