Notebookcheck

Lenovo Yoga 2 1051F Windows Tablet Review Update

Sebastian Jentsch (translated by Ariana Brodsky), 12/07/2014

Yoga goes Windows. We're about to take a look at the Windows version of the ergonomic acrobat that is the Yoga 2. We've got a lot of questions: Did Lenovo equip this tablet with the same great IPS panel? How's the battery life compared to the Android model's? Are there any hardware updates? Read our review to find out what we discovered.

Lenovo Yoga 2 Tablet Windows 8.1: The Windows version comes with a dockable keyboard and HDMI. An all-purpose tablet for productivity and entertainment?
Lenovo Yoga 2 Tablet Windows 8.1: The Windows version comes with a dockable keyboard and HDMI. An all-purpose tablet for productivity and entertainment?

For the original German review, see here.

Lenovo didn't tarry much in releasing a Windows version of their 10-inch Lenovo Yoga Tablet 2. We, of course, also reviewed the Android model, the 1050F. The 1051F with Windows 8.1, HDMI, a year-long Office 365 license and 32 GB of internal storage currently costs 399 Euros in stores (~$491). That's 100 Euros (~$123) more than the Android model, but a dockable Bluetooth keyboard comes with the Windows device.

In this short update, we'll concentrate on the differences between the 1050F (Android) and the 1051F (Windows). We won't cover topics like the display, connectivity, manufacturing quality or speaker in this review -- information on those subjects is available in our review of the 1050F. Instead, we'll take a closer look at the tablet's Windows performance, including how the performance compares across platforms. We also wondered: How long is the battery life? Does the machine generate more heat and consume more energy running Windows? Our short update reveals the answers to these questions and more.

This Lenovo device comes hot on the heels of two of its 10-inch rivals: The HP Omni 10 5600eg (399 Euros; ~$491) and the Aspire Switch 10 SW5-012-13DP (400 Euros; ~$492). Both these devices have IPS panels with a resolution of 1920x1200 pixels. Of the two, only the Switch 10 comes with a keyboard for this price; a keyboard for the Omni 10 costs extra.

Further competitors

Case & Connectivity

The case that holds our little portal into the Windows world is no longer silver, but black. The materials, however, are identical: Aluminum for the frame, and rubberized plastic for the easy-to-grip back side. One important detail has changed, however: The 1051F is outfitted with a Micro HDMI port, where before there was simply empty space (right side).

Magnetic docking keyboard (Bluetooth)
Magnetic docking keyboard (Bluetooth)
Manuals and warranty information
Manuals and warranty information
One-year Office 365 licence included
One-year Office 365 licence included

Input Devices

The keyboard docks to the tablet magnetically -- there are no electric contacts here. The keyboard unit communicates with the computer via Bluetooth and has its own internal battery. The battery has to be charged with a Micro B cable (included) connected to a PC or power supply (type A). The power supply has an output for type A, which is how the keyboard can be charged through the shorter "power cord."

On the dock, the tablet can shift a little to the left or the right, but it can't shift forward or backward. The Yoga's kickstand has to be folded back to hold the tablet upright if you want to work at a table or desk. Using the keyboard-tablet combination like a laptop in your lap doesn't really work -- the stand isn't secure on your legs and the tablet tends to fall backwards. True docking tablets are better in such circumstances.

With their palpable travel and clear markings, the keys are good enough to make writing on the tablet doable. However, it won't be a great experience: Keystrokes feel too soft and bouncy. The keyboard in itself has a pretty solid feel, partly because its underside is made of aluminum. The top side is covered with slip-resistant imitation leather.

This “leather” also extends into the ClickPad, which accounts for its uncomfortable and dull surface. The little pad's mouse replacement keys, however, are endowed with a clear travel length and distinct click point. The ClickPad has one other obvious drawback: The click is much too loud, which would make working in a library or at a silent auction rather uncomfortable.

Keyboard in a stable aluminum case
Keyboard in a stable aluminum case
Windows key
Windows key
ClickPad with palpable travel
ClickPad with palpable travel

Display

As was true of the 1050F, Lenovo installed a 10.1-inch panel with a resolution of 1920x1200 pixels in their Windows tablet. The two panels' brightness, contrast, color reproduction and viewing-angle stability are very similar, which leads us to conclude that the manufacturer probably used identical models. The display type is not recorded anywhere. The limitations of measuring accuracy can easily account for the small differences between the two panels. Our attempt to calibrate the display failed, so, unfortunately, we're unable to offer an ICC profile here.

372
cd/m²
374
cd/m²
392
cd/m²
384
cd/m²
414
cd/m²
401
cd/m²
385
cd/m²
378
cd/m²
388
cd/m²
Distribution of brightness
X-Rite i1Pro 2
Maximum: 414 cd/m² Average: 387.6 cd/m²
Brightness Distribution: 90 %
Center on Battery: 414 cd/m²
Contrast: 753:1 (Black: 0.55 cd/m²)
ΔE Color 5.05 | - Ø
ΔE Greyscale 5.14 | - Ø
Gamma: 2.37
Lenovo Yoga 2-1051F
HD Graphics (Bay Trail), Z3745, 32 GB eMMC Flash
HP Omni 10 5600eg (F4W59EA)
HD Graphics (Bay Trail), Z3770, 32 GB eMMC Flash
Acer Aspire Switch 10 SW5-012-13DP
HD Graphics (Bay Trail), Z3735F, 32 GB eMMC Flash
Lenovo Yoga Tablet 2 1050F
HD Graphics (Bay Trail), Z3745, 16 GB eMMC Flash
Screen
1%
2%
5%
Brightness
388
292
-25%
407
5%
399
3%
Brightness Distribution
90
90
0%
90
0%
88
-2%
Black Level *
0.55
0.43
22%
0.56
-2%
0.43
22%
Contrast
753
667
-11%
777
3%
986
31%
Colorchecker DeltaE2000 *
5.05
5
1%
5.12
-1%
5.42
-7%
Greyscale DeltaE2000 *
5.14
4.18
19%
4.81
6%
6.04
-18%
Gamma
2.37 101%
2.45 98%
2.38 101%
2.6 92%
CCT
7386 88%
6594 99%
6723 97%
6740 96%
Color Space (Percent of AdobeRGB 1998)
42
45

* ... smaller is better

Performance

HWinfo summary
HWinfo summary

The Intel Atom Z3735F (1.33 GHz) is part of the family of Bay Trail-T SoCs and is optimized for tablets. 2 GB of LPDDR3 RAM serve as the onboard memory. Lenovo installed the 32-bit version of Windows 8.1 as the tablet's operating system, and subtracting the 6 GB recovery partition, 17 GB of storage space remains available to the user. Data saves to a 32 GB eMMC flash storage medium.

Processor

Cinebench R10 Multi @1.86 GHz
Cinebench R10 Multi @1.86 GHz
R10 Shading GPU @779 MHz
R10 Shading GPU @779 MHz

Let's first take a look at the Cinebench R10 results from the Windows world. The Atom Z3735F can't keep up with the Omni 10 (Atom Z3770; 1.46 GHz), which has to do with the latter processor's higher clock rate. The same goes for our tablet compared to the Transformer Book T200TA. Our device does, however, outshine the Aspire Switch 10, which is also equipped with an Atom Z3735F. The Wortmann Terra Pad 1060's dual-core Celeron can't hold a candle to the rest of the competition. The Yoga 2 1051F fully utilized its turbo in this test (1.86 GHz).

The browser benchmarks enable us to compare our Windows tablet's performance with systems running Android and Chrome OS. In Google V8 version 7, our test device's sister model (the 1050F) scored 90% higher, even though it's outfitted with the same SoC. SunSpider and Octane 2.0 paint a similar picture. It seems, then, that Android's better browser performance is responsible for this disparity.

Cinebench R10
Rendering Single 32Bit (sort by value)
Lenovo Yoga 2-1051F
973 Points ∼14%
HP Omni 10 5600eg (F4W59EA)
1230 Points ∼17% +26%
Acer Aspire Switch 10 SW5-012-13DP
774 Points ∼11% -20%
Asus Transformer Book T200TA
1108 Points ∼16% +14%
Asus Transformer Book T100TA-C1-GR
940 Points ∼13% -3%
Toshiba Satellite Radius 11 L10-B-101
1334 Points ∼19% +37%
HP Pavilion 10-k000ng x2
962 Points ∼14% -1%
Wortmann Terra Pad 1060
773 Points ∼11% -21%
Rendering Multiple CPUs 32Bit (sort by value)
Lenovo Yoga 2-1051F
3393 Points ∼10%
HP Omni 10 5600eg (F4W59EA)
3939 Points ∼11% +16%
Acer Aspire Switch 10 SW5-012-13DP
2424 Points ∼7% -29%
Asus Transformer Book T200TA
3997 Points ∼11% +18%
Asus Transformer Book T100TA-C1-GR
3334 Points ∼10% -2%
Toshiba Satellite Radius 11 L10-B-101
2533 Points ∼7% -25%
HP Pavilion 10-k000ng x2
2867 Points ∼8% -16%
Wortmann Terra Pad 1060
1467 Points ∼4% -57%
Shading 32Bit (sort by value)
Lenovo Yoga 2-1051F
1871 Points ∼12%
HP Omni 10 5600eg (F4W59EA)
2081 Points ∼13% +11%
Acer Aspire Switch 10 SW5-012-13DP
898 Points ∼6% -52%
Asus Transformer Book T200TA
2408 Points ∼15% +29%
Asus Transformer Book T100TA-C1-GR
1898 Points ∼12% +1%
Toshiba Satellite Radius 11 L10-B-101
2476 Points ∼16% +32%
HP Pavilion 10-k000ng x2
1759 Points ∼11% -6%
Wortmann Terra Pad 1060
1622 Points ∼10% -13%
Octane V1 - Total Score (sort by value)
Lenovo Yoga 2-1051F
3642 Points ∼11%
Octane V2 - Total Score (sort by value)
Lenovo Yoga 2-1051F
3531 Points ∼8%
Lenovo Yoga Tablet 2 1050F (Chrome 38)
6057 Points ∼13% +72%
Toshiba Satellite Radius 11 L10-B-101
4320 Points ∼10% +22%
HP Pavilion 10-k000ng x2 (IE 11)
2958 Points ∼7% -16%
Mozilla Kraken 1.1 - Total Score (sort by value)
Lenovo Yoga Tablet 2 1050F (Chrome 38)
6104.5 ms * ∼10%
Toshiba Satellite Radius 11 L10-B-101
7094.1 ms * ∼12%
HP Pavilion 10-k000ng x2 (IE 11)
9992.1 ms * ∼17%
Google V8 Ver. 7 - Google V8 Ver. 7 Score (sort by value)
Lenovo Yoga 2-1051F
3253 Points ∼17%
Lenovo Yoga Tablet 2 1050F
6176 Points ∼32% +90%
Sunspider - 1.0 Total Score (sort by value)
Lenovo Yoga 2-1051F
446 ms * ∼11%
Lenovo Yoga Tablet 2 1050F (Chrome 38)
752.9 ms * ∼19% -69%
Acer Aspire Switch 10 SW5-012-13DP
604 ms * ∼15% -35%
Toshiba Satellite Radius 11 L10-B-101
318.1 ms * ∼8% +29%
HP Pavilion 10-k000ng x2 (IE 11)
503.9 ms * ∼13% -13%

Legend

 
Lenovo Yoga 2-1051F Intel Atom Z3745, Intel HD Graphics (Bay Trail), 32 GB eMMC Flash
 
Lenovo Yoga Tablet 2 1050F Intel Atom Z3745, Intel HD Graphics (Bay Trail), 16 GB eMMC Flash
 
HP Omni 10 5600eg (F4W59EA) Intel Atom Z3770, Intel HD Graphics (Bay Trail), 32 GB eMMC Flash
 
Acer Aspire Switch 10 SW5-012-13DP Intel Atom Z3735F, Intel HD Graphics (Bay Trail), 32 GB eMMC Flash
 
Asus Transformer Book T200TA Intel Atom Z3775, Intel HD Graphics (Bay Trail), 32 GB eMMC Flash
 
Asus Transformer Book T100TA-C1-GR Intel Atom Z3740, Intel HD Graphics (Bay Trail), 32 GB eMMC Flash
 
Toshiba Satellite Radius 11 L10-B-101 Intel Celeron N2840, Intel HD Graphics (Bay Trail), Hitachi Travelstar Z5K500 HTS545050A7E380
 
HP Pavilion 10-k000ng x2 Intel Atom Z3736F, Intel HD Graphics (Bay Trail), 32 GB eMMC Flash
 
Wortmann Terra Pad 1060 Intel Celeron N2805, Intel HD Graphics (Bay Trail), 64 GB SSD

* ... smaller is better

Cinebench R10 Shading 32Bit
1871
Cinebench R10 Rendering Multiple CPUs 32Bit
3393
Cinebench R10 Rendering Single 32Bit
973
Help

System Performance

Our tablet's application performance scores come in somewhat beneath those obtained by its rivals in one benchmark (PCMark 8), but its scores prove to be on par with or even somewhat ahead of those same competitors in another benchmark (PCMark 7). The Celeron models come in last here. Our test device's system storage score in PCMark 7 is quite good, which is explained by the relatively high throughput recorded by CrystalDiskMark. Still, none of these results come anywhere near those achieved by a real SSD.

Lenovo Yoga 2-1051F
HD Graphics (Bay Trail), Z3745, 32 GB eMMC Flash
HP Omni 10 5600eg (F4W59EA)
HD Graphics (Bay Trail), Z3770, 32 GB eMMC Flash
Acer Aspire Switch 10 SW5-012-13DP
HD Graphics (Bay Trail), Z3735F, 32 GB eMMC Flash
Asus Transformer Book T200TA
HD Graphics (Bay Trail), Z3775, 32 GB eMMC Flash
Asus Transformer Book T100TA-C1-GR
HD Graphics (Bay Trail), Z3740, 32 GB eMMC Flash
Toshiba Satellite Radius 11 L10-B-101
HD Graphics (Bay Trail), N2840, Hitachi Travelstar Z5K500 HTS545050A7E380
HP Pavilion 10-k000ng x2
HD Graphics (Bay Trail), Z3736F, 32 GB eMMC Flash
Wortmann Terra Pad 1060
HD Graphics (Bay Trail), N2805, 64 GB SSD
PCMark 7
-9%
-18%
-1%
-18%
-28%
-18%
-24%
System Storage
3985
3665
-8%
3730
-6%
3763
-6%
3255
-18%
1489
-63%
3536
-11%
4500
13%
Computation
5458
5513
1%
5409
-1%
6999
28%
5138
-6%
8087
48%
5546
2%
2854
-48%
Creativity
4591
4293
-6%
4422
-4%
5111
11%
3938
-14%
4011
-13%
4230
-8%
2836
-38%
Entertainment
1599
1784
12%
1479
-8%
1820
14%
1674
5%
1455
-9%
1554
-3%
1462
-9%
Productivity
1784
1199
-33%
850
-52%
1149
-36%
983
-45%
484
-73%
880
-51%
925
-48%
Lightweight
2247
1508
-33%
1219
-46%
1549
-31%
1258
-44%
879
-61%
1222
-46%
1491
-34%
Score
2397
2568
7%
2252
-6%
2747
15%
2339
-2%
1723
-28%
2253
-6%
2225
-7%
PCMark 8
26%
15%
7%
Work Score Accelerated v2
1102
1378
25%
1257
14%
1174
7%
Home Score Accelerated v2
1056
1339
27%
1225
16%
1131
7%
Total Average (Program / Settings)
-9% / -9%
-18% / -18%
13% / 5%
-18% / -18%
-7% / -19%
-6% / -12%
-24% / -24%
PCMark 7 Score
2397 points
PCMark 8 Home Score Accelerated v2
1056 points
PCMark 8 Work Score Accelerated v2
1102 points
Help

Storage Devices

As previously stated, CrystalDiskMark shows slightly higher data throughput rates compared to the competition -- though these rates can only be higher because these devices are all equipped with similar low-cost eMMCs. Real SSD storage media generally achieve results like 500 MB/s in the sequential read test and up to 35 MB/s in the read 4K test, for example. It's possible to do much worse here (Satellite Radius -60%), but it's also possible to do substantially better (Wortmann Terra Pad +154%), as the table below shows.

Lenovo Yoga 2-1051F
HD Graphics (Bay Trail), Z3745, 32 GB eMMC Flash
HP Omni 10 5600eg (F4W59EA)
HD Graphics (Bay Trail), Z3770, 32 GB eMMC Flash
Acer Aspire Switch 10 SW5-012-13DP
HD Graphics (Bay Trail), Z3735F, 32 GB eMMC Flash
Asus Transformer Book T200TA
HD Graphics (Bay Trail), Z3775, 32 GB eMMC Flash
Asus Transformer Book T100TA-C1-GR
HD Graphics (Bay Trail), Z3740, 32 GB eMMC Flash
Toshiba Satellite Radius 11 L10-B-101
HD Graphics (Bay Trail), N2840, Hitachi Travelstar Z5K500 HTS545050A7E380
HP Pavilion 10-k000ng x2
HD Graphics (Bay Trail), Z3736F, 32 GB eMMC Flash
Wortmann Terra Pad 1060
HD Graphics (Bay Trail), N2805, 64 GB SSD
CrystalDiskMark 3.0
-18%
9%
-20%
-43%
-60%
-28%
154%
Write 4k QD32
11.03
10.57
-4%
5.642
-49%
5.763
-48%
4.408
-60%
0.649
-94%
4.358
-60%
52.07
372%
Read 4k QD32
29.04
29.26
1%
26.66
-8%
35.13
21%
10.44
-64%
0.649
-98%
15.39
-47%
68.48
136%
Write 4k
8.518
9.119
7%
5.603
-34%
5.602
-34%
4.034
-53%
0.679
-92%
3.758
-56%
34.57
306%
Read 4k
12.21
11.07
-9%
18.31
50%
17.24
41%
10.33
-15%
0.327
-97%
9.679
-21%
24
97%
Write 512
34.61
30.9
-11%
72.69
110%
25.22
-27%
18.93
-45%
31.37
-9%
45.89
33%
81.11
134%
Read 512
156.8
83.91
-46%
151.1
-4%
84.35
-46%
104.7
-33%
30.16
-81%
119.6
-24%
233.2
49%
Write Seq
68.45
48.04
-30%
72.77
6%
52.31
-24%
43.2
-37%
92.43
35%
47.99
-30%
121.7
78%
Read Seq
167
82.66
-51%
169.3
1%
92.76
-44%
109
-35%
94.88
-43%
139.5
-16%
262.2
57%
32 GB eMMC Flash
Sequential Read: 167 MB/s
Sequential Write: 68.45 MB/s
512K Read: 156.8 MB/s
512K Write: 34.61 MB/s
4K Read: 12.21 MB/s
4K Write: 8.518 MB/s
4K QD32 Read: 29.04 MB/s
4K QD32 Write: 11.03 MB/s

Graphics Card

The Intel HD Graphics card at work in our test device clocks at between 578 and 779 MHz. The card's slow performance lies exactly on par with that of all the other Bay Trail Atom iGPUs. The system's gaming performance is only strong enough to fluidly render browser-based games or very old PC games. The newest generation of games, or even last year's games, is simply out of the question.

3DMark 11
1280x720 Performance Combined (sort by value)
Lenovo Yoga 2-1051F
236 Points ∼2%
HP Omni 10 5600eg (F4W59EA)
226 Points ∼2% -4%
Acer Aspire Switch 10 SW5-012-13DP
217 Points ∼2% -8%
Asus Transformer Book T100TA-C1-GR
225 Points ∼2% -5%
Toshiba Satellite Radius 11 L10-B-101
270 Points ∼2% +14%
HP Pavilion 10-k000ng x2
193 Points ∼2% -18%
Wortmann Terra Pad 1060
219 Points ∼2% -7%
1280x720 Performance Physics (sort by value)
Lenovo Yoga 2-1051F
1261 Points ∼9%
HP Omni 10 5600eg (F4W59EA)
1330 Points ∼10% +5%
Acer Aspire Switch 10 SW5-012-13DP
898 Points ∼7% -29%
Asus Transformer Book T100TA-C1-GR
1327 Points ∼10% +5%
Toshiba Satellite Radius 11 L10-B-101
1090 Points ∼8% -14%
HP Pavilion 10-k000ng x2
1161 Points ∼9% -8%
Wortmann Terra Pad 1060
707 Points ∼5% -44%
1280x720 Performance GPU (sort by value)
Lenovo Yoga 2-1051F
193 Points ∼0%
HP Omni 10 5600eg (F4W59EA)
171 Points ∼0% -11%
Acer Aspire Switch 10 SW5-012-13DP
178 Points ∼0% -8%
Asus Transformer Book T100TA-C1-GR
178 Points ∼0% -8%
Toshiba Satellite Radius 11 L10-B-101
207 Points ∼0% +7%
HP Pavilion 10-k000ng x2
183 Points ∼0% -5%
Wortmann Terra Pad 1060
175 Points ∼0% -9%
1280x720 Performance (sort by value)
Lenovo Yoga 2-1051F
225 Points ∼1%
HP Omni 10 5600eg (F4W59EA)
202 Points ∼1% -10%
Acer Aspire Switch 10 SW5-012-13DP
206 Points ∼1% -8%
Asus Transformer Book T100TA-C1-GR
209 Points ∼1% -7%
Toshiba Satellite Radius 11 L10-B-101
242 Points ∼1% +8%
HP Pavilion 10-k000ng x2
210 Points ∼1% -7%
Wortmann Terra Pad 1060
201 Points ∼1% -11%
3DMark
1280x720 Cloud Gate Standard Physics (sort by value)
Lenovo Yoga 2-1051F
1261 Points ∼3%
HP Omni 10 5600eg (F4W59EA)
1471 Points ∼4% +17%
Asus Transformer Book T100TA-C1-GR
1217 Points ∼3% -3%
Toshiba Satellite Radius 11 L10-B-101
659 Points ∼2% -48%
HP Pavilion 10-k000ng x2
1048 Points ∼3% -17%
Wortmann Terra Pad 1060
530 Points ∼1% -58%
1280x720 Cloud Gate Standard Graphics (sort by value)
Lenovo Yoga 2-1051F
1260 Points ∼1%
HP Omni 10 5600eg (F4W59EA)
1201 Points ∼1% -5%
Asus Transformer Book T100TA-C1-GR
1204 Points ∼1% -4%
Toshiba Satellite Radius 11 L10-B-101
1559 Points ∼1% +24%
HP Pavilion 10-k000ng x2
1219 Points ∼1% -3%
Wortmann Terra Pad 1060
1173 Points ∼1% -7%
1280x720 Cloud Gate Standard Score (sort by value)
Lenovo Yoga 2-1051F
1260 Points ∼3%
HP Omni 10 5600eg (F4W59EA)
1252 Points ∼3% -1%
Asus Transformer Book T100TA-C1-GR
1206 Points ∼3% -4%
Toshiba Satellite Radius 11 L10-B-101
1191 Points ∼3% -5%
HP Pavilion 10-k000ng x2
1176 Points ∼3% -7%
Wortmann Terra Pad 1060
923 Points ∼3% -27%
1280x720 Ice Storm Standard Physics (sort by value)
Lenovo Yoga 2-1051F
15132 Points ∼10%
HP Omni 10 5600eg (F4W59EA)
17558 Points ∼11% +16%
Asus Transformer Book T100TA-C1-GR
15629 Points ∼10% +3%
Toshiba Satellite Radius 11 L10-B-101
6624 Points ∼4% -56%
HP Pavilion 10-k000ng x2
13014 Points ∼8% -14%
Wortmann Terra Pad 1060
6774 Points ∼4% -55%
1280x720 Ice Storm Standard Graphics (sort by value)
Lenovo Yoga 2-1051F
14918 Points ∼2%
HP Omni 10 5600eg (F4W59EA)
13968 Points ∼2% -6%
Asus Transformer Book T100TA-C1-GR
16066 Points ∼2% +8%
Toshiba Satellite Radius 11 L10-B-101
10717 Points ∼1% -28%
HP Pavilion 10-k000ng x2
14944 Points ∼2% 0%
Wortmann Terra Pad 1060
16688 Points ∼2% +12%
1280x720 Ice Storm Standard Score (sort by value)
Lenovo Yoga 2-1051F
14965 Points ∼8%
HP Omni 10 5600eg (F4W59EA)
14632 Points ∼7% -2%
Asus Transformer Book T100TA-C1-GR
15966 Points ∼8% +7%
Toshiba Satellite Radius 11 L10-B-101
9423 Points ∼5% -37%
HP Pavilion 10-k000ng x2
14467 Points ∼7% -3%
Wortmann Terra Pad 1060
12583 Points ∼6% -16%
3DMark 11 Performance
225 points
3DMark Ice Storm Standard Score
14965 points
3DMark Cloud Gate Standard Score
1260 points
Help
low med. high ultra
Anno 2070 (2011) 16.86.44fps

Emissions & Energy

In our tests, the Lenovo tablet's surfaces remained cool until the device was under load -- at which point one hotspot hit a whopping 52 °C (125.6 °F). The Android-based sister model, the 1050F, didn't reach temperatures nearly that high. The other Windows-based competitors heat up to similar temperatures under load. None of them possess active fans and are instead passively cooled. The Yoga 2 1051F completed the stress test at a constant 1.86 GHz -- the same speed it ran at under simple load. The SoC's maximum temperature measured 60 °C (140 °F).

Lenovo Yoga 2-1051FLenovo Yoga Tablet 2 1050FHP Omni 10 5600eg (F4W59EA)Acer Aspire Switch 10 SW5-012-13DPAsus Transformer Book T200TAAsus Transformer Book T100TA-C1-GRToshiba Satellite Radius 11 L10-B-101 HP Pavilion 10-k000ng x2Wortmann Terra Pad 1060
Heat
7%
-4%
2%
-3%
3%
7%
-1%
-0%
Maximum Upper Side *
42.3
33.8
20%
39.5
7%
44
-4%
42.5
-0%
42.5
-0%
40.7
4%
43.1
-2%
42.5
-0%
Maximum Bottom *
51.7
36.2
30%
55.2
-7%
38.1
26%
43
17%
45.2
13%
42.4
18%
44.6
14%
38.5
26%
Idle Upper Side *
28
33.3
-19%
31.1
-11%
33.1
-18%
33.2
-19%
30.3
-8%
27.8
1%
31.2
-11%
34.5
-23%
Idle Bottom *
29.9
30.4
-2%
31.1
-4%
29.1
3%
32.2
-8%
28.1
6%
28.4
5%
31.6
-6%
31.2
-4%

* ... smaller is better

 25.2 °C24 °C23 °C 
 26.1 °C26.3 °C23.6 °C 
 28 °C27.2 °C25.8 °C 
Maximum: 28 °C
Average: 25.5 °C
22.5 °C23.6 °C24 °C
23.5 °C29.9 °C28.1 °C
24 °C26 °C26.6 °C
Maximum: 29.9 °C
Average: 25.4 °C
Power Supply (max.)  33 °C | Room Temperature 21.6 °C | Voltcraft IR-360

Power Consumption

Our tablet's energy consumption rates prove to be just a little higher than those of the 1051F Android version. In idle mode, however, the 1051F's system read a minimum energy usage rate of 1.3 Watts -- just like the rest of the competition. Still, the fact that all these devices use so little energy in idle mode is very impressive and shouldn't be discounted. This low number accounts for the tablet's long maximum battery life of 23:40 hours.

We were displeased, however, with the machine's load cycle: While the tablet was plugged into a power outlet and the PCMark 8 benchmark ran for several hours, the completely empty battery only regained a few percent of its charge. The battery charged at similarly slow rates while we ran other programs and benchmarks. The culprit here must be the undersized power supply (10 Watts, 5 Volts): The system's energy consumption rate under load exceeds the power supply's wattage. In idle mode (medium brightness), the battery needed a good 6:30 hours to charge. Additionally, even if the connector fits, the tablet can't be charged through a USB 3.0 port on a PC or laptop.

Lenovo Yoga 2-1051FLenovo Yoga Tablet 2 1050FHP Omni 10 5600eg (F4W59EA)Acer Aspire Switch 10 SW5-012-13DPAsus Transformer Book T200TAAsus Transformer Book T100TA-C1-GRToshiba Satellite Radius 11 L10-B-101 HP Pavilion 10-k000ng x2Wortmann Terra Pad 1060
Power Consumption
16%
-26%
-18%
-30%
-4%
-76%
-66%
-60%
Idle Minimum *
1.3
1.5
-15%
2.1
-62%
2.2
-69%
2.6
-100%
1.7
-31%
4.6
-254%
4.2
-223%
3.9
-200%
Idle Average *
4.6
3.7
20%
4.6
-0%
5.1
-11%
4.9
-7%
3.9
15%
5.8
-26%
7.1
-54%
6
-30%
Idle Maximum *
5
4.1
18%
5.5
-10%
5.5
-10%
5.1
-2%
3.9
22%
6.1
-22%
7.3
-46%
7
-40%
Load Average *
9
6.7
26%
12.8
-42%
9.2
-2%
12.5
-39%
10.7
-19%
12.4
-38%
10.2
-13%
10.7
-19%
Load Maximum *
11.2
7.5
33%
12.8
-14%
10.8
4%
11.7
-4%
11.8
-5%
15.5
-38%
10.4
7%
12.2
-9%

* ... smaller is better

Power Consumption
Off / Standbydarklight 0.1 / 0.3 Watt
Idledarkmidlight 1.3 / 4.6 / 5 Watt
Load midlight 9 / 11.2 Watt
 color bar
Key: min: dark, med: mid, max: light        Voltcraft VC 960

Battery Life

Battery life is one of the Yoga 2 1051F's strengths. The tablet even surpasses its sister model, the 1050F, by a little in idle mode and by a lot in our more practical WLAN test (23%). Other competitors, like the HP Omni 10 5600eg, can't keep up with our test device's nearly 24 hours in idle mode and 15 hours in the WLAN test. Lenovo outfitted the tablet with a 34-Watt battery. Together with the system's low energy consumption rate in idle mode this generously-sized battery enables the device to reach such long battery runtimes.

Battery Runtime
Reader / Idle (sort by value)
Lenovo Yoga 2-1051F
1420 min ∼53%
Lenovo Yoga Tablet 2 1050F
1391 min ∼52%
HP Omni 10 5600eg (F4W59EA)
753 min ∼28%
Acer Aspire Switch 10 SW5-012-13DP
min ∼0%
Asus Transformer Book T200TA
450 min ∼17%
Asus Transformer Book T100TA-C1-GR
999 min ∼37%
Toshiba Satellite Radius 11 L10-B-101
405 min ∼15%
HP Pavilion 10-k000ng x2
755 min ∼28%
Wortmann Terra Pad 1060
min ∼0%
WiFi (sort by value)
Lenovo Yoga 2-1051F
923 min ∼34%
Lenovo Yoga Tablet 2 1050F
751 min ∼28%
HP Omni 10 5600eg (F4W59EA)
295 min ∼11%
Acer Aspire Switch 10 SW5-012-13DP
453 min ∼17%
Asus Transformer Book T200TA
316 min ∼12%
Asus Transformer Book T100TA-C1-GR
647 min ∼24%
Toshiba Satellite Radius 11 L10-B-101
232 min ∼9%
HP Pavilion 10-k000ng x2
468 min ∼17%
Wortmann Terra Pad 1060
290 min ∼11%
Battery Runtime
Idle (without WLAN, min brightness)
23h 40min
WiFi Surfing
15h 23min
Load (maximum brightness)
3h 46min

Verdict

Lenovo Yoga 2 Tablet Windows 8.1
Lenovo Yoga 2 Tablet Windows 8.1

Lenovo carried over the positive characteristics of their Yoga Tablet 2 1050F into the Windows world. A high-quality case goes hand in hand with a first-class IPS panel. The Bay Trail Atom processor hails from the lowest performance class, but with the system's relatively fast eMMC, somewhat larger storage space (32 GB instead of 16 GB; 17 GB available to the user), and additional HDMI port, running Windows applications that don't demand too much in the way of performance is still an enjoyable experience. The tablet's high temperatures under load are by no means a reason for us to cross the Yoga Tablet 2 1051F off our list, as very few users will be regularly running applications that push the system so hard. The Windows tablet's battery life is just as good as its Android counterpart's -- both devices can boast of fantastic endurance.

static version load dynamic
Loading Comments
Comment this article:
In review: Lenovo Yoga 2 1051F. Test model courtesy of notebooksbilliger.de
In review: Lenovo Yoga 2 1051F. Test model courtesy of notebooksbilliger.de

Specifications

Lenovo Yoga 2-1051F (yoga Series)
Processor
Intel Atom Z3745 1.33 GHz
Graphics adapter
Intel HD Graphics (Bay Trail), Core: 578-779 MHz
Memory
2048 MB 
, LPDDR3, 1066 MHz
Display
10.1 inch 16:10, 1920x1200 pixel, Capacitive (10), unknown, IPS, glossy: yes
Mainboard
Bay Trail Host Bridge
Storage
32 GB eMMC Flash, 32 GB 
, 17 GB free
Soundcard
HD Audio
Connections
1 USB 2.0, 1 HDMI, Audio Connections: 3.5 mm audio in/out jack, Card Reader: MicroSD, MicroSDHC up to 64 GB, Sensors: A-GPS, Accelerometer, Step counter, Position sensor, Ambient light sensor, Magnetic field sensor, Compass, GPS, Glonass, OTG, Miracast
Networking
Broadcom 802.11a/b/g/n (a/b/g/n), Bluetooth 4.0
Size
height x width x depth (in mm): 21 x 255.4 x 183.4 ( = 0.83 x 10.06 x 7.22 in)
Battery
34 Wh Lithium-Polymer, 9600 mAh, 3 cells, Battery runtime (according to manufacturer): 15 h
Operating System
Windows 8.1 (32 Bit) + Bing
Camera
Webcam: 1.6 MP, Main camera: 8 MP AF
Additional features
Speakers: Stereo, Keyboard: Keyboard dock 292 grams, Tablet alone 640 grams, Power supply, Data cable, Microfiber cloth, Year-long Office 365 license with key, 12 Months Warranty
Weight
934 g ( = 32.95 oz / 2.06 pounds), Power Supply: 78 g ( = 2.75 oz / 0.17 pounds)
Price
400 Euro

 

Lenovo is now offering their services to the Windows world:
Lenovo is now offering their services to the Windows world:
The Lenovo Yoga 2 tablet is available with Windows 8.1.
The Lenovo Yoga 2 tablet is available with Windows 8.1.
In terms of hardware, aside from the larger storage space (32 GB), the color...
In terms of hardware, aside from the larger storage space (32 GB), the color...
...and an HDMI port, the Android and Windows versions are identical.
...and an HDMI port, the Android and Windows versions are identical.
In terms of price, the Windows model costs 100 Euros more than the Android version (300 Euros vs. 399 Euros, ~$370 vs. ~$491).
In terms of price, the Windows model costs 100 Euros more than the Android version (300 Euros vs. 399 Euros, ~$370 vs. ~$491).
The LTE version (which was not our test model) costs 449 Euros (~$553). This photo shows the SIM-card slot.
The LTE version (which was not our test model) costs 449 Euros (~$553). This photo shows the SIM-card slot.

Similar Devices

Devices with the same GPU and/or Screen Size

HP Pro Tablet 10 EE G1 Tablet Review
HD Graphics (Bay Trail), Atom Z3735F, 0.85 kg
One Xcellent 10 v2 Tablet Review
HD Graphics (Bay Trail), Atom Z3735F, 0.594 kg
Acer Iconia Tab 10 A3-A30 Tablet Review
HD Graphics (Bay Trail), Atom Z3735F, 0.54 kg
Trekstor SurfTab Wintron 10.1 Tablet Review
HD Graphics (Bay Trail), Atom Z3735F, 0.661 kg
Prestigio Multipad Visconte 3 3G Notebook Review
HD Graphics (Bay Trail), Atom Z3735F, 0.681 kg
HP Pavilion 10-k000ng x2 Tablet Review
HD Graphics (Bay Trail), Atom Z3736F, 0.59 kg
Lenovo Yoga Tablet 2 (10.1 inch/Wi-Fi/1050F) Review
HD Graphics (Bay Trail), Atom Z3745, 0.619 kg

Links

  • Manufacturer's information

Price Comparison

Pro

+Sleek, solid case
+Versatile and well-engineered aluminum kickstand
+Reasonably fast Windows experience
+Good, bright display
+Decent camera
+Very good battery life
+HDMI port (not on the Android version)
+High-quality keyboard/cover with good feedback
 

Cons

-Charges slowly when device is under load
-Relatively heavy
-Below average sound quality
-Touchscreen is sometimes slow to react

Shortcut

What we like

The strong battery life, the high-quality aluminum case and the decent camera.

What we'd like to see

A mechanical keyboard with a hard stroke-feel and tapered keys. The keyboard could be a good centimeter high to allow for that.

What surprises us

That the battery life is just as good as the Android model's. No room to diss Windows here.

The competition

10-inches, 1920x1200 pixels

HP Omni 10 5600eg (399 Euros, ~$491)
Aspire Switch 10 SW5-012-13DP (400 Euros, ~$492)

Other sizes / resolutions

Asus Transformer Book T200TA
Asus Transformer Book T100TA-C1-GR
Toshiba Satellite Radius 11 L10-B-101
HP Pavilion 10-k000ng x2
Wortmann Terra Pad 1060

Rating

Lenovo Yoga 2-1051F - 12/04/2014 v4(old)
Sebastian Jentsch

Chassis
86%
Keyboard
62 / 80 → 78%
Pointing Device
69%
Connectivity
43 / 65 → 66%
Weight
81 / 88 → 85%
Battery
95%
Display
83%
Games Performance
20 / 68 → 29%
Application Performance
41 / 76 → 54%
Temperature
86%
Noise
100%
Audio
56 / 91 → 62%
Camera
72 / 85 → 85%
Average
69%
78%
Tablet - Weighted Average
> Notebook / Laptop Reviews and News > Reviews > Lenovo Yoga 2 1051F Windows Tablet Review Update
Sebastian Jentsch, 2014-12- 7 (Update: 2014-12- 8)