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联想 ThinkPad 13 Chromebook 笔记本电脑简短评测

实用且实惠？ 几个月之前，我们测试了入门级的ThinkPad 13，它的表现十分不错。今天，来到我们实验室的则是它的Chromebook版本。它可以成为Windows世界的一个替代吗？
Chromebook Business Broadwell
Lenovo ThinkPad 13 Chromebook (ThinkPad 13 Series)
Processor
Intel Core i5-6300U 2 x 2.4 - 3 GHz, Skylake
Graphics adapter
Intel HD Graphics 520, Core: 1000 MHz
Memory
8 GB 
, LPDDR3 1600 MHz
Display
13.30 inch 16:9, 1920 x 1080 pixel 166 PPI, 无, IPS, glossy: no
Storage
32 GB eMMC Flash, 32 GB 
Connections
4 USB 3.0 / 3.1 Gen1, 1 Kensington Lock, Audio Connections: 3.5毫米整合音频接口, Card Reader: SD
Networking
Intel Dual Band Wireless-AC 7265 (a/b/g/h/n = Wi-Fi 4/ac = Wi-Fi 5/), Bluetooth 4.0
Size
height x width x depth (in mm): 20 x 323 x 225
Battery
42 Wh Lithium-Ion
Operating System
Google Chrome OS
Camera
Webcam: 高清 720p
Primary Camera: 1 MPix
Additional features
Speakers: 2.0, 位于底面, Keyboard: 孤岛式, Keyboard Light: no, 12 Months Warranty
Weight
1.418 kg, Power Supply: 188 g
Links
Lenovo homepage
Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

 

❌
344 mm 239.8 mm 21.6 mm 1.8 kg323 mm 225 mm 20 mm 1.4 kg294.64 mm 215.9 mm 22.86 mm 1.7 kg297 mm 218 mm 20.3 mm 1.2 kg293.9 mm 204 mm 19.3 mm 1.2 kg297 mm 210 mm 1 mm 5.7 g
Left: Full SD card slot, USB 3.0
Left: Full SD card slot, USB 3.0
Right: 3.5 mm combo audio, USB 3.0, USB Type-C, USB Type-C, Kensington Lock
Right: 3.5 mm combo audio, USB 3.0, USB Type-C, USB Type-C, Kensington Lock
SD Card Reader - average JPG Copy Test (av. of 3 runs)
Lenovo ThinkPad 13 Chromebook
 
50.9 MB/s
Lenovo IdeaPad 300S-11IBR
 
30.5 MB/s -40%
Lenovo ThinkPad 13-20GKS01100
 
25.3 MB/s -50%
Acer Chromebook R 11 CB5-132T-C8ZW
 
19 MB/s -63%
269.5
cd/m²		267
cd/m²		263.3
cd/m²
264.7
cd/m²		262.9
cd/m²		254.1
cd/m²
258.4
cd/m²		257.9
cd/m²		247
cd/m²
Distribution of brightness
tested with X-Rite i1Pro 2
Maximum: 269.5 cd/m² (Nits) Average: 260.5 cd/m² Minimum: 1.247 cd/m²
Brightness Distribution: 92 %
Center on Battery: 262.9 cd/m²
Contrast: 437:1 (Black: 0.601 cd/m²)
ΔE Color 4.87 | 0.5-29.43 Ø5
ΔE Greyscale 3.51 | 0.57-98 Ø5.3
Gamma: 2.17
Lenovo ThinkPad 13 Chromebook
IPS, 13.30, 1920x1080		Lenovo ThinkPad Yoga 11e
IPS, 11.60, 1366x768		Dell Chromebook 11-3120
TN LED, 11.60, 1366x768		Lenovo IdeaPad 300S-11IBR
AU Optronics B116XTN02.3, TN LED, 11.60, 1366x768		HP Chromebook 14 G1
TN, 14.00, 1366x768
Display
Display P3 Coverage
39.96
sRGB Coverage
60
AdobeRGB 1998 Coverage
41.28
Response Times
9%
Response Time Grey 50% / Grey 80% *
37.6 ?(15.2, 22.4)
46 ?(21, 25)
-22%
Response Time Black / White *
36 ?(5.2, 30.8)
22 ?(5, 17)
39%
PWM Frequency
Screen
27%
-9%
-49%
6%
Brightness middle
262.9
289.8
10%
273
4%
222
-16%
226
-14%
Brightness
261
278
7%
258
-1%
210
-20%
227
-13%
Brightness Distribution
92
88
-4%
88
-4%
77
-16%
86
-7%
Black Level *
0.601
0.23
62%
0.75
-25%
0.46
23%
0.4
33%
Contrast
437
1260
188%
364
-17%
483
11%
565
29%
Colorchecker dE 2000 *
4.87
5.46
-12%
10.11
-108%
Colorchecker dE 2000 max. *
12.18
17.47
-43%
Greyscale dE 2000 *
3.51
5.73
-63%
11.37
-224%
Gamma
2.17 101%
2.4 92%
2.13 103%
CCT
6476 100%
7269 89%
12113 54%
Color Space (Percent of AdobeRGB 1998)
28
Color Space (Percent of sRGB)
60
Total Average (Program / Settings)
27% / 27%
-9% / -9%
-20% / -38%
6% / 6%

* ... smaller is better

Display Response Times

ℹ
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
36 ms ... rise ↗ and fall ↘ combined↗ 5.2 ms rise
↘ 30.8 ms fall
The screen shows slow response rates in our tests and will be unsatisfactory for gamers.
In comparison, all tested devices range from 0.1 (minimum) to 240 (maximum) ms. » 93 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (21.5 ms).
   ↔    Response Time 50% Grey to 80% Grey
37.6 ms ... rise ↗ and fall ↘ combined↗ 15.2 ms rise
↘ 22.4 ms fall
The screen shows slow response rates in our tests and will be unsatisfactory for gamers.
In comparison, all tested devices range from 0.2 (minimum) to 636 (maximum) ms. » 48 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (33.7 ms).

Screen Flickering / PWM (Pulse-Width Modulation)

ℹ
To dim the screen, some notebooks will simply cycle the backlight on and off in rapid succession - a method called Pulse Width Modulation (PWM) . This cycling frequency should ideally be undetectable to the human eye. If said frequency is too low, users with sensitive eyes may experience strain or headaches or even notice the flickering altogether.
Screen flickering / PWM not detected

In comparison: 53 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 17900 (minimum: 5 - maximum: 3846000) Hz was measured.

Sunspider | Mozilla Kraken 1.1 | Octane V2 | WebXPRT 2015 | JetStream 1.1
Sunspider - 1.0 Total Score
Lenovo ThinkPad Yoga 11e
HD Graphics (Bay Trail), N2930, 16 GB eMMC Flash
632 ms * -197%
Dell Chromebook 11-3120
HD Graphics (Bay Trail), N2840, 16 GB eMMC Flash
554 ms * -160%
Lenovo IdeaPad 300S-11IBR
HD Graphics (Braswell), N3050, Seagate Momentus Thin ST500LT012-1DG142
411.3 ms * -93%
HP Chromebook 14 G1
HD Graphics (Haswell), 2955U
347.4 ms * -63%
Lenovo ThinkPad 13 Chromebook
HD Graphics 520, 6300U, 32 GB eMMC Flash
213 ms *
Mozilla Kraken 1.1 - Total
Lenovo IdeaPad 300S-11IBR
HD Graphics (Braswell), N3050, Seagate Momentus Thin ST500LT012-1DG142
5211 ms * -417%
Lenovo ThinkPad Yoga 11e
HD Graphics (Bay Trail), N2930, 16 GB eMMC Flash
4664 ms * -363%
Dell Chromebook 11-3120
HD Graphics (Bay Trail), N2840, 16 GB eMMC Flash
3843 ms * -282%
HP Chromebook 14 G1
HD Graphics (Haswell), 2955U
2564 ms * -155%
Lenovo ThinkPad 13 Chromebook
HD Graphics 520, 6300U, 32 GB eMMC Flash
1007 ms *
Octane V2 - Total Score
Lenovo ThinkPad 13 Chromebook
HD Graphics 520, 6300U, 32 GB eMMC Flash
29435 Points
HP Chromebook 14 G1
HD Graphics (Haswell), 2955U
12008 Points -59%
Dell Chromebook 11-3120
HD Graphics (Bay Trail), N2840, 16 GB eMMC Flash
8229 Points -72%
Lenovo ThinkPad Yoga 11e
HD Graphics (Bay Trail), N2930, 16 GB eMMC Flash
7334 Points -75%
Lenovo IdeaPad 300S-11IBR
HD Graphics (Braswell), N3050, Seagate Momentus Thin ST500LT012-1DG142
6463 Points -78%
WebXPRT 2015 - Overall
Lenovo ThinkPad 13 Chromebook
HD Graphics 520, 6300U, 32 GB eMMC Flash
359 Points
Dell Chromebook 11-3120
HD Graphics (Bay Trail), N2840, 16 GB eMMC Flash
118 Points -67%
JetStream 1.1 - Total Score
Lenovo ThinkPad 13 Chromebook
HD Graphics 520, 6300U, 32 GB eMMC Flash
173.3 Points
Lenovo IdeaPad 300S-11IBR
HD Graphics (Braswell), N3050, Seagate Momentus Thin ST500LT012-1DG142
46.17 Points -73%

* ... smaller is better

Noise Level

Idle
28.8 / 28.8 / 32.4 dB(A)
Load
31.2 / 31.2 dB(A)
  red to green bar
 
 
30 dB
silent
40 dB(A)
audible
50 dB(A)
loud
  
min: dark, med: mid, max: light   BK Precision 732A (15 cm distance)
Max. Load
 26.2 °C30.6 °C29.4 °C 
 27.2 °C28.4 °C26.2 °C 
 21 °C21.8 °C22.2 °C 
Maximum: 30.6 °C
Average: 25.9 °C
34.4 °C34.2 °C29.2 °C
25.4 °C33.6 °C28.4 °C
23.6 °C23.4 °C22.2 °C
Maximum: 34.4 °C
Average: 28.3 °C
Power Supply (max.)  28.8 °C | Room Temperature 20 °C | Raytek Raynger ST
(+) The average temperature for the upper side under maximal load is 25.9 °C / 79 F, compared to the average of 29.5 °C / 85 F for the devices in the class Office.
(+) The maximum temperature on the upper side is 30.6 °C / 87 F, compared to the average of 34.2 °C / 94 F, ranging from 21.2 to 62.5 °C for the class Office.
(+) The bottom heats up to a maximum of 34.4 °C / 94 F, compared to the average of 36.7 °C / 98 F
(+) In idle usage, the average temperature for the upper side is 24 °C / 75 F, compared to the device average of 29.5 °C / 85 F.
(+) The palmrests and touchpad are cooler than skin temperature with a maximum of 22.2 °C / 72 F and are therefore cool to the touch.
(+) The average temperature of the palmrest area of similar devices was 27.7 °C / 81.9 F (+5.5 °C / 9.9 F).
Power Consumption
Off / Standbydarklight 0.36 / 0.52 Watt
Idledarkmidlight 0.77 / 5.11 / 5.88 Watt
Load midlight 7.43 / 14.73 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.
Lenovo ThinkPad 13 Chromebook
6300U, HD Graphics 520, 32 GB eMMC Flash, IPS, 1920x1080, 13.30		Dell Chromebook 11-3120
N2840, HD Graphics (Bay Trail), 16 GB eMMC Flash, TN LED, 1366x768, 11.60		Acer Chromebook R 11 CB5-132T-C8ZW
N3060, HD Graphics (Braswell), 32 GB SSD, IPS, 1366x768, 11.60		Lenovo IdeaPad 300S-11IBR
N3050, HD Graphics (Braswell), Seagate Momentus Thin ST500LT012-1DG142, TN LED, 1366x768, 11.60		HP Chromebook 14 G1
2955U, HD Graphics (Haswell), , TN, 1366x768, 14.00
Power Consumption
-50%
-29%
-242%
-156%
Idle Minimum *
0.77
3
-290%
2
-160%
8
-939%
5.5
-614%
Idle Average *
5.11
4.3
16%
4.7
8%
10.1
-98%
8
-57%
Idle Maximum *
5.88
4.6
22%
5.3
10%
10.5
-79%
9.1
-55%
Load Average *
7.43
9.6
-29%
8.7
-17%
14.6
-97%
12
-62%
Load Maximum *
14.73
10.2
31%
12.9
12%
14
5%
13.3
10%

* ... smaller is better

Battery Runtime
Idle (without WLAN, min brightness)
20h 49min
WiFi Websurfing
8h 56min
Load (maximum brightness)
2h 50min
Lenovo ThinkPad 13 Chromebook
6300U, HD Graphics 520, 42 Wh		Lenovo ThinkPad Yoga 11e
N2930, HD Graphics (Bay Trail), 34 Wh		Dell Chromebook 11-3120
N2840, HD Graphics (Bay Trail), 43 Wh		Acer Chromebook R 11 CB5-132T-C8ZW
N3060, HD Graphics (Braswell), 36 Wh		Lenovo IdeaPad 300S-11IBR
N3050, HD Graphics (Braswell), 30 Wh		HP Chromebook 14 G1
2955U, HD Graphics (Haswell),  Wh
Battery Runtime
-15%
6%
-41%
-20%
Reader / Idle
1249
633
-49%
WiFi v1.3
536
566
6%
315
-41%
427
-20%
Load
170
204
20%
WiFi
389

Pros

+ 优异的工艺品质
+ 出色的输入设备
+ 长电池续航
+ 对于Chromebook来说屏幕品质十分优秀，价格合理的升级选项
+ 高速处理器和大量的内存

Cons

- 我们所测试的型号售价和表现更好的Windows机型相似
- eMMC存储相比固态硬盘十分迟缓
- 有限的可维护性和升级空间
- Chrome OS的自身限制对于商务用户来说十分难以解决
In review: Lenovo ThinkPad 13 Chromebook. Test model courtesy of Lenovo US
In review: Lenovo ThinkPad 13 Chromebook. Test model courtesy of Lenovo US

联想的全新ThinkPad 13 Chromebook几乎实现了所有的ThinkPad核心理念。它设计实用，搭配了坚固而符合人体工学设计的机身，有近乎完美的输入设备，同时保证了出色的电池续航时间。同时它还搭配了相当不错的屏幕，强劲处理器和大容量双通道内存则带来了流畅的使用体验。许多这些功能都很难在Chromebook中找到，不过随着平台的逐渐发展应该也会有更多的选择对它发起挑战。

最大的问题还是这些功能是否真的对于一台Chormebook来说有意义，不管怎么说对于这类设备来说至今为止最常见的原则还是实惠和简单。后者对于ThinkPad 13 Chromebook仍然适用，不过考虑到我们测试机的配置——极速酷睿i5处理器和8 GB内存——它的售价则达到了845美元（约5644人民币）。这仅比配置更高的Windows系统ThinkPad 13便宜100美元（约667人民币），而另外这款机型则搭配了256 GB固态硬盘而非32 GB eMMC闪存，它也提供了更好的可维护性。更不用提Windows相比Chrome OS更高的附加价值了；不论Chrome系统如何发展，一些限制如原生打印支持和对很多应用程序的支持都会限制商务用户的选择。

奢侈设备当然是值得赞赏的；不过，在ThinkPad 13 Chromebook的情况下，它的价值有些难以衡量，因为其他同价位的产品几乎都是更全面的Windows设备。

不过仍然对于那些正在寻找一台工艺优良、设计合理、运行迅速而续航持久的设备的用户来说，ThinkPad 13 Chromebook是一个十分不错的选择。如果你可以接受16 GB闪存的话，那么它搭配不错处理器和4 GB内存的更低价机型可能更值得参考。

注：本文是基于完整评测的缩减版本，阅读完整的英文评测，请点击这里。 

Lenovo ThinkPad 13 Chromebook - 08/17/2016 v5.1(old)
Steve Schardein

Chassis
85 / 98 → 87%
Keyboard
87%
Pointing Device
91%
Connectivity
55 / 80 → 69%
Weight
70 / 20-67 → 100%
Battery
91%
Display
82%
Games Performance
0 / 68 → 0%
Application Performance
82 / 92 → 89%
Temperature
95%
Noise
95%
Audio
50%
Camera
74 / 85 → 87%
Add Points
-2%
Average
74%
85%
Office - Weighted Average

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> Notebookcheck中文版（NBC中国） > 评测 > 联想 ThinkPad 13 Chromebook 笔记本电脑简短评测
Steve Schardein, 2016-08-30 (Update: 2016-09- 2)