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Trekstor SurfTab duo W3 变形本简短评测

低价变形本。 Trestor的11.6英寸变形本售价大概在230到250欧元（合约245到267美元）。购买者将会得到一台有着Cherry Trail处理器和广视角全高清屏幕的设备。虽然这台设备电池续航时间上表现不佳。
Convertible / 2-in-1 Touchscreen Windows
Trekstor SurfTab duo W3 (Surftab Series)
Processor
Intel Atom x5-Z8300 4 x 1.4 - 1.8 GHz, Cherry Trail
Graphics adapter
Intel HD Graphics (Cherry Trail), Core: 500 MHz, 单通道, 20.19.15.4474
Memory
2048 MB 
, DDR3-1600, 单通道, 板载 memory
Display
11.60 inch 16:9, 1920 x 1080 pixel 190 PPI, 电容, 十点触控, 支持主动手势, Chi Mei N116HSE-DA2, IPS, glossy: yes, detachable screen
Storage
32 GB eMMC Flash, 32 GB 
, 17.6 GB free
Connections
3 USB 2.0, 1 USB 3.0 / 3.1 Gen1, 1 HDMI, Audio Connections: 复合音频接口, Card Reader: micro-SD, Sensors: 加速度计
Networking
Realtek RTL8723BS (b/g/n = Wi-Fi 4/), Bluetooth 4.0
Size
height x width x depth (in mm): 19.5 x 299 x 188
Battery
8.2 Wh Lithium-Ion
Operating System
Microsoft Windows 10 Home 32 Bit
Camera
Webcam: HD
Primary Camera: 2 MPix
Secondary Camera: 2 MPix
Additional features
Speakers: 立体声扬声器, Keyboard: 巧克力键盘, Keyboard Light: no, 电源适配器 (micro-USB 3.0 转 Type-A 插槽), McAfee LiveSafe - Internet Security (trial), MS Office 365 (trial), 24 Months Warranty, fanless
Weight
1.46 kg
Price
249 Euro
Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

 

Size Comparison

❌
308 mm 215 mm 21 mm 1.5 kg299 mm 188 mm 19.5 mm 1.5 kg278 mm 199 mm 18.3 mm 1.1 kg264 mm 182 mm 19.84 mm 1.2 kg262 mm 188 mm 19.2 mm 1.2 kg246 mm 173 mm 18.2 mm 1.1 kg297 mm 210 mm 1 mm 5.7 g
228
cd/m²		246
cd/m²		235
cd/m²
230
cd/m²		257
cd/m²		242
cd/m²
206
cd/m²		230
cd/m²		243
cd/m²
Distribution of brightness
Chi Mei N116HSE-DA2 tested with X-Rite i1Pro 2
Maximum: 257 cd/m² (Nits) Average: 235.2 cd/m² Minimum: 22.8 cd/m²
Brightness Distribution: 80 %
Center on Battery: 212 cd/m²
Contrast: 1028:1 (Black: 0.25 cd/m²)
ΔE Color 7.98 | 0.5-29.43 Ø5
ΔE Greyscale 7.87 | 0.57-98 Ø5.3
84% sRGB (Argyll 1.6.3 3D)
55% AdobeRGB 1998 (Argyll 1.6.3 3D)
61.3% AdobeRGB 1998 (Argyll 2.2.0 3D)
83.9% sRGB (Argyll 2.2.0 3D)
63% Display P3 (Argyll 2.2.0 3D)
Gamma: 2.3
Trekstor SurfTab duo W3
IPS, 1920x1080, 11.60		Medion Akoya E2215T
IPS, 1920x1080, 11.60		HP x360 310 G1
TN, 1366x768, 11.60		Acer Switch V 10 SW5-017-196Q
IPS, 1280x800, 10.10		HP x2 210 G1
IPS, 1280x800, 10.10		Lenovo IdeaPad MIIX 310-10ICR
IPS, 1280x800, 10.10
Display
-19%
-37%
-13%
-28%
-14%
Display P3 Coverage
63
48.12
-24%
37.47
-41%
52.5
-17%
42.77
-32%
51.1
-19%
sRGB Coverage
83.9
71.7
-15%
56.4
-33%
76.3
-9%
63.7
-24%
75.2
-10%
AdobeRGB 1998 Coverage
61.3
49.78
-19%
38.71
-37%
54.1
-12%
44.22
-28%
52.7
-14%
Response Times
-7%
-21%
-2%
-21%
-5%
Response Time Grey 50% / Grey 80% *
37 ?(16, 21)
31 ?(13, 18)
16%
43 ?(20, 23)
-16%
29 ?(8, 21)
22%
43 ?(21, 22)
-16%
31.6 ?(13.6, 18)
15%
Response Time Black / White *
20 ?(6, 14)
26 ?(6, 20)
-30%
25 ?(7, 18)
-25%
25 ?(9, 16)
-25%
25 ?(10, 15)
-25%
24.8 ?(6, 28.8)
-24%
PWM Frequency
50 ?(20)
396 ?(90)
877 ?(90)
50 ?(60)
69.4
Screen
9%
-59%
16%
8%
-4%
Brightness middle
257
338
32%
199
-23%
270
5%
313
22%
251.9
-2%
Brightness
235
309
31%
186
-21%
239
2%
295
26%
233
-1%
Brightness Distribution
80
76
-5%
76
-5%
82
3%
84
5%
83
4%
Black Level *
0.25
0.39
-56%
0.8
-220%
0.21
16%
0.21
16%
0.348
-39%
Contrast
1028
867
-16%
249
-76%
1286
25%
1490
45%
724
-30%
Colorchecker dE 2000 *
7.98
3.94
51%
11.92
-49%
3.01
62%
6.79
15%
6.35
20%
Colorchecker dE 2000 max. *
12.25
9.96
19%
20.52
-68%
4.63
62%
14.11
-15%
11.15
9%
Greyscale dE 2000 *
7.87
2.54
68%
12.92
-64%
7.66
3%
6.78
14%
7.09
10%
Gamma
2.3 96%
2.38 92%
2.04 108%
1.45 152%
2.26 97%
2.02 109%
CCT
8815 74%
6902 94%
13589 48%
6665 98%
6708 97%
8590 76%
Color Space (Percent of AdobeRGB 1998)
55
46
-16%
36
-35%
49
-11%
41
-25%
52.69
-4%
Color Space (Percent of sRGB)
84
71
-15%
56
-33%
76
-10%
63
-25%
Total Average (Program / Settings)
-6% / 1%
-39% / -50%
0% / 8%
-14% / -3%
-8% / -6%

* ... smaller is better

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.

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
20 ms ... rise ↗ and fall ↘ combined↗ 6 ms rise
↘ 14 ms fall
The screen shows good response rates in our tests, but may be too slow for competitive gamers.
In comparison, all tested devices range from 0.1 (minimum) to 240 (maximum) ms. » 37 % of all devices are better.
This means that the measured response time is similar to the average of all tested devices (21.5 ms).
   ↔    Response Time 50% Grey to 80% Grey
37 ms ... rise ↗ and fall ↘ combined↗ 16 ms rise
↘ 21 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. » 47 % of all devices are better.
This means that the measured response time is similar to the average of all tested devices (33.7 ms).
Cinebench R10 Rendering Single 32Bit
951
Cinebench R10 Rendering Multiple CPUs 32Bit
2966
Cinebench R10 Shading 32Bit
1962
Help
Cinebench R10 | Geekbench 3 | Sunspider | JetStream 1.1 | Mozilla Kraken 1.1 | Octane V2
Cinebench R10
Rendering Multiple CPUs 32Bit
Acer Switch V 10 SW5-017-196Q
Intel Atom x5-Z8350
3130 Points +6%
Trekstor SurfTab duo W3
Intel Atom x5-Z8300
2966 Points
Medion Akoya E2215T
Intel Atom x5-Z8350
2897 Points -2%
Lenovo IdeaPad MIIX 310-10ICR
Intel Atom x5-Z8350
2575 Points -13%
HP x2 210 G1
Intel Atom x5-Z8300
2135 Points -28%
Rendering Single 32Bit
Acer Switch V 10 SW5-017-196Q
Intel Atom x5-Z8350
999 Points +5%
Trekstor SurfTab duo W3
Intel Atom x5-Z8300
951 Points
Medion Akoya E2215T
Intel Atom x5-Z8350
938 Points -1%
Lenovo IdeaPad MIIX 310-10ICR
Intel Atom x5-Z8350
884 Points -7%
HP x2 210 G1
Intel Atom x5-Z8300
855 Points -10%
Geekbench 3
32 Bit Single-Core Score
Acer Switch V 10 SW5-017-196Q
Intel Atom x5-Z8350
796 Points +7%
Trekstor SurfTab duo W3
Intel Atom x5-Z8300
743 Points
Medion Akoya E2215T
Intel Atom x5-Z8350
726 Points -2%
32 Bit Multi-Core Score
Acer Switch V 10 SW5-017-196Q
Intel Atom x5-Z8350
2332 Points +7%
Trekstor SurfTab duo W3
Intel Atom x5-Z8300
2175 Points
Medion Akoya E2215T
Intel Atom x5-Z8350
2130 Points -2%
Sunspider - 1.0 Total Score
HP x2 210 G1
Intel Atom x5-Z8300
517 ms * -5%
Trekstor SurfTab duo W3
Intel Atom x5-Z8300
493.3 ms *
JetStream 1.1 - Total Score
Acer Switch V 10 SW5-017-196Q
Intel Atom x5-Z8350
45.77 Points +10%
HP x2 210 G1
Intel Atom x5-Z8300
44.02 Points +6%
Medion Akoya E2215T
Intel Atom x5-Z8350
42.55 Points +2%
Trekstor SurfTab duo W3
Intel Atom x5-Z8300
41.59 Points
Mozilla Kraken 1.1 - Total
Lenovo IdeaPad MIIX 310-10ICR
Intel Atom x5-Z8350
6122 ms * -6%
Trekstor SurfTab duo W3
Intel Atom x5-Z8300
5758 ms *
Medion Akoya E2215T
Intel Atom x5-Z8350
5509 ms * +4%
Octane V2 - Total Score
Medion Akoya E2215T
Intel Atom x5-Z8350
7142 Points +12%
Trekstor SurfTab duo W3
Intel Atom x5-Z8300
6382 Points
Lenovo IdeaPad MIIX 310-10ICR
Intel Atom x5-Z8350
6343 Points -1%

* ... smaller is better

PCMark 8 Home Score Accelerated v2
1246 points
Help
PCMark 8 - Home Score Accelerated v2
Acer Switch V 10 SW5-017-196Q
HD Graphics (Cherry Trail), Z8350, 64 GB eMMC Flash
1520 Points +22%
HP x360 310 G1
HD Graphics (Bay Trail), N3540, Toshiba MQ01ABF050
1445 Points +16%
Lenovo IdeaPad MIIX 310-10ICR
HD Graphics (Cherry Trail), Z8350, 64 GB eMMC Flash
1419 Points +14%
HP x2 210 G1
HD Graphics (Cherry Trail), Z8300, 64 GB eMMC Flash
1391 Points +12%
Medion Akoya E2215T
HD Graphics (Cherry Trail), Z8350, 64 GB eMMC Flash
1282 Points +3%
Trekstor SurfTab duo W3
HD Graphics (Cherry Trail), Z8300, 32 GB eMMC Flash
1246 Points
CrystalDiskMark 3.0
hddimg
32 GB eMMC Flash
Sequential Read: 142.8 MB/s
Sequential Write: 44.24 MB/s
512K Read: 125.4 MB/s
512K Write: 16.9 MB/s
4K Read: 7.82 MB/s
4K Write: 1.423 MB/s
4K QD32 Read: 11.04 MB/s
4K QD32 Write: 1.435 MB/s
Trekstor SurfTab duo W3
32 GB eMMC Flash		Medion Akoya E2215T
64 GB eMMC Flash		HP x360 310 G1
Toshiba MQ01ABF050		Acer Switch V 10 SW5-017-196Q
64 GB eMMC Flash		HP x2 210 G1
64 GB eMMC Flash		Lenovo IdeaPad MIIX 310-10ICR
64 GB eMMC Flash
CrystalDiskMark 3.0
157%
-25%
475%
241%
266%
Read Seq
142.8
169.6
19%
99.5
-30%
153.9
8%
134.1
-6%
151.9
6%
Write Seq
44.24
39.77
-10%
102.9
133%
101.1
129%
66.1
49%
87.3
97%
Read 512
125.4
155.3
24%
34.45
-73%
136.2
9%
112.9
-10%
144.5
15%
Write 512
16.9
27.45
62%
42.7
153%
91.5
441%
57.7
241%
58
243%
Read 4k
7.82
13.09
67%
0.439
-94%
12.58
61%
15.79
102%
9.35
20%
Write 4k
1.423
7.915
456%
0.013
-99%
12.38
770%
10.06
607%
12.26
762%
Read 4k QD32
11.04
15.11
37%
0.851
-92%
23.81
116%
35.31
220%
29
163%
Write 4k QD32
1.435
10.05
600%
0.033
-98%
33.93
2264%
11.84
725%
13.18
818%
3DMark 11 Performance
322 points
Help
3DMark 11 - 1280x720 Performance GPU
Acer Switch V 10 SW5-017-196Q
Intel HD Graphics (Cherry Trail), Intel Atom x5-Z8350
358 Points +22%
Lenovo IdeaPad MIIX 310-10ICR
Intel HD Graphics (Cherry Trail), Intel Atom x5-Z8350
298 Points +2%
Medion Akoya E2215T
Intel HD Graphics (Cherry Trail), Intel Atom x5-Z8350
297 Points +1%
Trekstor SurfTab duo W3
Intel HD Graphics (Cherry Trail), Intel Atom x5-Z8300
293 Points
HP x2 210 G1
Intel HD Graphics (Cherry Trail), Intel Atom x5-Z8300
291 Points -1%
HP x360 310 G1
Intel HD Graphics (Bay Trail), Intel Pentium N3540
221 Points -25%
low med. high ultra
Trackmania Nations Forever (2008) 92.6 21.3 9.6
Max. Load
 22.6 °C31 °C26.6 °C 
 37.6 °C29.6 °C26.9 °C 
 31.6 °C31.2 °C28.1 °C 
Maximum: 37.6 °C
Average: 29.5 °C
27.7 °C33.1 °C37.8 °C
28 °C31.6 °C36.1 °C
28.1 °C30.8 °C32.1 °C
Maximum: 37.8 °C
Average: 31.7 °C
Power Supply (max.)  54 °C | Room Temperature 22 °C | FIRT 550-Pocket
(+) The average temperature for the upper side under maximal load is 29.5 °C / 85 F, compared to the average of 30.2 °C / 86 F for the devices in the class Convertible.
(+) The maximum temperature on the upper side is 37.6 °C / 100 F, compared to the average of 35.3 °C / 96 F, ranging from 19.6 to 55.7 °C for the class Convertible.
(+) The bottom heats up to a maximum of 37.8 °C / 100 F, compared to the average of 36.8 °C / 98 F
(+) In idle usage, the average temperature for the upper side is 27.6 °C / 82 F, compared to the device average of 30.2 °C / 86 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 28.1 °C / 82.6 F (-3.5 °C / -6.3 F).
dB(A) 0102030405060708090Deep BassMiddle BassHigh BassLower RangeMidsHigher MidsLower HighsMid HighsUpper HighsSuper Highs2037.434.237.42539.541.239.53145.943.345.94039.136.539.15045.835.645.86329.228.829.28027.227.827.210028.526.428.512529.625.629.616030.223.830.220030.923.630.925028.822.328.83152821.42840034.420.734.450042.620.342.663054.71954.780062.918.662.9100064.718.164.7125061.917.961.9160064.817.864.8200059.917.659.9250059.417.659.4315060.718.160.7400067.818.167.8500074.918.374.9630078.618.578.6800072.718.472.71000064.418.564.41250065.418.365.41600062.718.362.7SPL82.130.682.1N43.21.543.2median 60.7median 18.5median 60.7Delta11.41.911.435.335.132.931.831.83236.535.132.428.93328.936.328.848.32761.52752.924.860.92462.822.763.32269.521.267.82174.82075.919.472.718.97117.770.117.86917.671.817.668.117.671.417.673.717.670.417.571.617.671.617.669.617.459.717.583.630.662.51.5median 69.6median 17.84.72.4hearing rangehide median Pink NoiseTrekstor SurfTab duo W3Apple MacBook 12 (Early 2016) 1.1 GHz
Trekstor SurfTab duo W3 audio analysis

(±) | speaker loudness is average but good (78 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 31.3% lower than median
(+) | bass is linear (2.6% delta to prev. frequency)
Mids 400 - 2000 Hz
(±) | reduced mids - on average 7.8% lower than median
(±) | linearity of mids is average (14.1% delta to prev. frequency)
Highs 2 - 16 kHz
(±) | higher highs - on average 8% higher than median
(±) | linearity of highs is average (11.4% delta to prev. frequency)
Overall 100 - 16.000 Hz
(-) | overall sound is not linear (33.4% difference to median)
Compared to same class
» 92% of all tested devices in this class were better, 2% similar, 6% worse
» The best had a delta of 6%, average was 21%, worst was 57%
Compared to all devices tested
» 91% of all tested devices were better, 2% similar, 8% worse
» The best had a delta of 4%, average was 25%, worst was 134%

Apple MacBook 12 (Early 2016) 1.1 GHz audio analysis

(+) | speakers can play relatively loud (83.6 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 11.3% lower than median
(±) | linearity of bass is average (14.2% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 2.4% away from median
(+) | mids are linear (5.5% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2% away from median
(+) | highs are linear (4.5% delta to prev. frequency)
Overall 100 - 16.000 Hz
(+) | overall sound is linear (10.2% difference to median)
Compared to same class
» 5% of all tested devices in this class were better, 2% similar, 93% worse
» The best had a delta of 5%, average was 19%, worst was 53%
Compared to all devices tested
» 3% of all tested devices were better, 1% similar, 96% worse
» The best had a delta of 4%, average was 25%, worst was 134%

Power Consumption
Off / Standbydarklight 0.7 / 2.8 Watt
Idledarkmidlight 2 / 2.2 / 2.7 Watt
Load midlight 8.5 / 8.4 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 Runtime
WiFi Websurfing (Edge 38)
4h 54min
Battery Runtime - WiFi Websurfing
HP x360 310 G1
N3540, HD Graphics (Bay Trail), 30 Wh
684 min +133%
Lenovo IdeaPad MIIX 310-10ICR
Z8350, HD Graphics (Cherry Trail), 33 Wh
643 min +119%
HP x2 210 G1
Z8300, HD Graphics (Cherry Trail), 33 Wh
550 min +87%
Acer Switch V 10 SW5-017-196Q
Z8350, HD Graphics (Cherry Trail), 28.2 Wh
493 min +68%
Medion Akoya E2215T
Z8350, HD Graphics (Cherry Trail), 38 Wh
474 min +61%
Trekstor SurfTab duo W3
Z8300, HD Graphics (Cherry Trail), 8.2 Wh
294 min

Pros

+ IPS 面板
+ 全高清分辨率
+ 静音
+ 低发热
+ 键盘出色

Cons

- 糟糕的电池续航时间
- 无 Type-C USB
- micro-USB 3.0 接口质量不佳
In review: Trekstor SurfTab duo W3. Test model courtesy of Trekstor Germany
In review: Trekstor SurfTab duo W3. Test model courtesy of Trekstor Germany

Trekstor的SurfTab Duo W3是一款11.6英寸的Windows变形本，为基础办公与了网络应用而设计。这款设备运行时几乎不会发热且安静。然而，有一种从内部发出的电流声时常可以听见。这款设备并没有超大的存储空间。在32GB的机身存储中，仅有17.6GB可用。由于Windows 10在大的系统更新时需要10GB的空闲内存，所以7GB是实际可用最大存储空间大小。

键盘扩展坞整体上给我们留下了很好的印象。键盘本身很合适频繁的打字操作。Trekstor可能在它的产品线上为小学生和其他学生提供了一台用于打字和浏览网页的设备。但很不幸的是它在很关键的一个项目上表现得并不好：电池续航能力。这台变形本在Wi-Fi测试中仅有不到5小时的续航时间，这对于一整天在学校或大学的使用来说太短了。但在另一方面，屏幕的广视角及高对比度令我们满意，虽然亮度过低。

Trekstor SurfTab Duo W3 是一台廉价的11.6英寸家用变形本。

但是，Trestore也犯了一些即使在这个低廉价位也不应该出现的失误。首先是不可靠的micro-USB 3.0接口并不能确保稳定的连接。制造商应该一开始就使用Type-C型USB接口。但无论如何Trekstor都会需要附带一个转接头。再者，它的充电耗时过长。

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。

Trekstor SurfTab duo W3 - 01/27/2017 v6(old)
Sascha Mölck

Chassis
76 / 98 → 77%
Keyboard
74%
Pointing Device
87%
Connectivity
34 / 80 → 43%
Weight
70 / 35-78 → 80%
Battery
81%
Display
79%
Games Performance
29 / 68 → 43%
Application Performance
41 / 87 → 47%
Temperature
93%
Noise
100%
Audio
44 / 91 → 48%
Camera
40 / 85 → 47%
Average
65%
76%
Convertible - Weighted Average

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> Notebookcheck中文版（NBC中国） > 评测 > Trekstor SurfTab duo W3 变形本简短评测
Sascha Mölck, 2017-02-13 (Update: 2017-02-13)