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三星 Galaxy Tab A 7.0 (2016) 平板电脑简短评测

小巧。 三星的这台新平板电脑设计近似智能手机,非常易于握持使用。不过,较为紧张的8 GB闪存和入门级处理器则限制了使用中的乐趣。我们的评测将会注重衡量Galaxy Tab A7在实际使用中的表现。
Android Tablet Touchscreen
Samsung Galaxy Tab A7 2016 (Galaxy Tab A Series)
Processor
Spreadtrum SC7731 4 x 1.3 GHz, Cortex-A7
Graphics adapter
ARM Mali-400 MP2
Memory
1536 MB 
Display
7.00 inch 16:10, 1280 x 800 pixel 216 PPI, 电容式, IPS, glossy: yes
Storage
8 GB eMMC Flash, 8 GB 
, 4.35 GB free
Connections
1 USB 2.0, Audio Connections: 3.5毫米耳机接口, Card Reader: micro-SD 最大支持 200 GB, Sensors: 加速传感器, WiFi Direct
Networking
802.11 b/g/n (b/g/n = Wi-Fi 4/), Bluetooth 4.0, GPS
Size
height x width x depth (in mm): 8.7 x 186.9 x 108.8
Battery
14.8 Wh, 4000 mAh Lithium-Ion
Operating System
Android 5.1 Lollipop
Camera
Primary Camera: 5 MPix (自动对焦 f/2.2, 720p 视频拍摄 @30 FPS)
Secondary Camera: 2 MPix (定焦 f/2.2, 720p 视频拍摄 @ 30 FPS
Additional features
Speakers: 后置单声道扬声器, Keyboard: 触控, 电源适配器,USB数据线, Kids Mode, Smart Manager, Samsung TouchWiz UI, Hancom Office Viewer, 24 Months Warranty, fanless
Weight
283 g, Power Supply: 44 g
Price
170 EUR
Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

 

Samsung Galaxy Tab A7 (2016) - Front
Samsung Galaxy Tab A7 (2016) - Front
Samsung Galaxy Tab A7 (2016) - Rear
Samsung Galaxy Tab A7 (2016) - Rear
Samsung Galaxy Tab A7 (2016) - micro-SD slot
Samsung Galaxy Tab A7 (2016) - Buttons
Samsung Galaxy Tab A7 (2016) - Power supply
242 mm 150 mm 8.9 mm 488 g219 mm 140.5 mm 27.1 mm 407 g215.3 mm 127.7 mm 9.5 mm 340 g210.6 mm 127.7 mm 7.9 mm 360 g200 mm 137 mm 9 mm 375 g186.9 mm 108.8 mm 8.7 mm 283 g210 mm 148 mm 1 mm 2.9 g

Image Comparison

Choose a scene and navigate within the first image. One click changes the position on touchscreens. One click on the zoomed-in image opens the original in a new window. The first image shows the scaled photograph of the test device.

Scene 1Scene 2Scene 3
Test picture
Test picture
352
cd/m²
346
cd/m²
349
cd/m²
346
cd/m²
358
cd/m²
346
cd/m²
335
cd/m²
334
cd/m²
330
cd/m²
Distribution of brightness
tested with X-Rite i1Pro 2
Maximum: 358 cd/m² (Nits) Average: 344 cd/m² Minimum: 1.14 cd/m²
Brightness Distribution: 92 %
Center on Battery: 358 cd/m²
Contrast: 968:1 (Black: 0.37 cd/m²)
ΔE Color 5.3 | 0.5-29.43 Ø4.93
ΔE Greyscale 4.7 | 0.5-98 Ø5.2
Gamma: 2.44
Samsung Galaxy Tab A7 2016
1.280 x 800 px 7.0'' (IPS)
Huawei MediaPad T1 8.0 LTE
1.280 x 800 px 8.0'' (IPS)
Amazon Fire Kids Edition Late 2015
1.024 x 600 px 7.0'' (IPS)
Acer Iconia One 8
1.280 x 800 px 8.0'' (IPS)
Lenovo Miix 3 8
1.024 x 768 px 7.85'' (IPS)
Samsung Galaxy Tab E (9.6, Wi-Fi)
1.280 x 800 px 9.6'' (IPS)
Screen
Brightness middle
358
324
-9%
337
-6%
367
3%
298
-17%
457
28%
Brightness
344
301
-12%
313
-9%
338
-2%
289
-16%
453
32%
Brightness Distribution
92
87
-5%
84
-9%
83
-10%
92
0%
87
-5%
Black Level *
0.37
0.39
-5%
0.63
-70%
0.31
16%
0.33
11%
0.49
-32%
Contrast
968
831
-14%
535
-45%
1184
22%
903
-7%
933
-4%
Colorchecker dE 2000 *
5.3
5.96
-12%
8.47
-60%
4.1
23%
5.7
-8%
5.75
-8%
Colorchecker dE 2000 max. *
20.2
Greyscale dE 2000 *
4.7
5.33
-13%
9.98
-112%
4.38
7%
5.62
-20%
5.33
-13%
Gamma
2.44 90%
2.19 100%
2.33 94%
2.33 94%
2.28 96%
2.61 84%
CCT
7222 90%
7184 90%
6902 94%
6394 102%
7309 89%
6820 95%
Color Space (Percent of AdobeRGB 1998)
44

* ... smaller is better

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 not detected

In comparison: 53 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 8774 (minimum: 5 - maximum: 343500) Hz was measured.

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
38 ms ... rise ↗ and fall ↘ combined↗ 22 ms rise
↘ 16 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. » 95 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (21 ms).
       Response Time 50% Grey to 80% Grey
69 ms ... rise ↗ and fall ↘ combined↗ 45 ms rise
↘ 24 ms fall
The screen shows slow response rates in our tests and will be unsatisfactory for gamers.
In comparison, all tested devices range from 0.165 (minimum) to 636 (maximum) ms. » 98 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (32.9 ms).
PCMark for Android - Work performance score (sort by value)
Samsung Galaxy Tab A7 2016
3095 Points
Acer Iconia One 8
4739 Points +53%
Samsung Galaxy Tab E (9.6, Wi-Fi)
2361 Points -24%
AnTuTu v6 - Total Score (sort by value)
Samsung Galaxy Tab A7 2016
22854 Points
Amazon Fire Kids Edition Late 2015
25865 Points +13%
Samsung Galaxy Tab E (9.6, Wi-Fi)
19547 Points -14%
BaseMark OS II
Web (sort by value)
Samsung Galaxy Tab A7 2016
521 Points
Amazon Fire Kids Edition Late 2015
613 Points +18%
Acer Iconia One 8
837 Points +61%
Samsung Galaxy Tab E (9.6, Wi-Fi)
556 Points +7%
Graphics (sort by value)
Samsung Galaxy Tab A7 2016
150 Points
Amazon Fire Kids Edition Late 2015
247 Points +65%
Acer Iconia One 8
692 Points +361%
Samsung Galaxy Tab E (9.6, Wi-Fi)
135 Points -10%
System (sort by value)
Samsung Galaxy Tab A7 2016
923 Points
Amazon Fire Kids Edition Late 2015
971 Points +5%
Acer Iconia One 8
1359 Points +47%
Samsung Galaxy Tab E (9.6, Wi-Fi)
921 Points 0%
Overall (sort by value)
Samsung Galaxy Tab A7 2016
345 Points
Amazon Fire Kids Edition Late 2015
473 Points +37%
Acer Iconia One 8
881 Points +155%
Samsung Galaxy Tab E (9.6, Wi-Fi)
354 Points +3%
GFXBench (DX / GLBenchmark) 2.7
T-Rex Onscreen (sort by value)
Samsung Galaxy Tab A7 2016
6.5 fps
Huawei MediaPad T1 8.0 LTE
9.1 fps +40%
Amazon Fire Kids Edition Late 2015
13 fps +100%
Acer Iconia One 8
24.4 fps +275%
Samsung Galaxy Tab E (9.6, Wi-Fi)
3.7 fps -43%
1920x1080 T-Rex Offscreen (sort by value)
Samsung Galaxy Tab A7 2016
4.2 fps
Huawei MediaPad T1 8.0 LTE
5.3 fps +26%
Amazon Fire Kids Edition Late 2015
8.9 fps +112%
Acer Iconia One 8
6 fps +43%
Samsung Galaxy Tab E (9.6, Wi-Fi)
6 fps +43%
3DMark
1280x720 offscreen Ice Storm Unlimited Score (sort by value)
Samsung Galaxy Tab A7 2016
3626 Points
Huawei MediaPad T1 8.0 LTE
4368 Points +20%
Amazon Fire Kids Edition Late 2015
4677 Points +29%
Acer Iconia One 8
13026 Points +259%
1280x720 offscreen Ice Storm Unlimited Graphics Score (sort by value)
Samsung Galaxy Tab A7 2016
3146 Points
Huawei MediaPad T1 8.0 LTE
3799 Points +21%
Amazon Fire Kids Edition Late 2015
4114 Points +31%
Acer Iconia One 8
12471 Points +296%
1280x720 offscreen Ice Storm Unlimited Physics (sort by value)
Samsung Galaxy Tab A7 2016
7790 Points
Huawei MediaPad T1 8.0 LTE
9183 Points +18%
Amazon Fire Kids Edition Late 2015
8974 Points +15%
Acer Iconia One 8
15430 Points +98%
1280x720 Ice Storm Standard Score (sort by value)
Samsung Galaxy Tab A7 2016
3790 Points
Huawei MediaPad T1 8.0 LTE
5266 Points +39%
Amazon Fire Kids Edition Late 2015
5026 Points +33%
Lenovo Miix 3 8
15062 Points +297%
Samsung Galaxy Tab E (9.6, Wi-Fi)
3323 Points -12%
1280x720 Ice Storm Standard Graphics (sort by value)
Samsung Galaxy Tab A7 2016
3352 Points
Huawei MediaPad T1 8.0 LTE
4707 Points +40%
Amazon Fire Kids Edition Late 2015
4552 Points +36%
Lenovo Miix 3 8
15821 Points +372%
Samsung Galaxy Tab E (9.6, Wi-Fi)
2896 Points -14%
1280x720 Ice Storm Standard Physics (sort by value)
Samsung Galaxy Tab A7 2016
6992 Points
Huawei MediaPad T1 8.0 LTE
9014 Points +29%
Amazon Fire Kids Edition Late 2015
7914 Points +13%
Lenovo Miix 3 8
12899 Points +84%
Samsung Galaxy Tab E (9.6, Wi-Fi)
6941 Points -1%

Legend

 
Samsung Galaxy Tab A7 2016 Spreadtrum SC7731, ARM Mali-400 MP2, 8 GB eMMC Flash
 
Huawei MediaPad T1 8.0 LTE Qualcomm Snapdragon 410 MSM8916, Qualcomm Adreno 306, 16 GB eMMC Flash
 
Amazon Fire Kids Edition Late 2015 Mediatek MT8127, ARM Mali-450 MP4, 8 GB eMMC Flash
 
Acer Iconia One 8 Intel Atom Z3735G, Intel HD Graphics (Bay Trail), 16 GB eMMC Flash
 
Lenovo Miix 3 8 Intel Atom Z3735F, Intel HD Graphics (Bay Trail), 32 GB eMMC Flash
 
Samsung Galaxy Tab E (9.6, Wi-Fi) Spreadtrum SC8830, ARM Mali-400 MP, 8 GB eMMC Flash
Octane V2 - Total Score (sort by value)
Samsung Galaxy Tab A7 2016
2300 Points
Huawei MediaPad T1 8.0 LTE
2446 Points
Amazon Fire Kids Edition Late 2015
2358 Points
Acer Iconia One 8
6110 Points
Samsung Galaxy Tab E (9.6, Wi-Fi)
2408 Points
Mozilla Kraken 1.1 - Total (sort by value)
Samsung Galaxy Tab A7 2016
15534 ms *
Huawei MediaPad T1 8.0 LTE
14148 ms *
Amazon Fire Kids Edition Late 2015
16411 ms *
Acer Iconia One 8
5580 ms *
Samsung Galaxy Tab E (9.6, Wi-Fi)
14710 ms *
WebXPRT 2015 - Overall (sort by value)
Samsung Galaxy Tab A7 2016
40 Points
Acer Iconia One 8
95 Points
Samsung Galaxy Tab E (9.6, Wi-Fi)
37 Points
JetStream 1.1 - Total Score (sort by value)
Samsung Galaxy Tab A7 2016
14.5 Points
Amazon Fire Kids Edition Late 2015
15.8 Points

* ... smaller is better

AndroBench 3-5
Random Write 4KB (sort by value)
Samsung Galaxy Tab A7 2016
9.55 MB/s
Amazon Fire Kids Edition Late 2015
10.6 MB/s
Acer Iconia One 8
2.9 MB/s
Random Read 4KB (sort by value)
Samsung Galaxy Tab A7 2016
21.95 MB/s
Amazon Fire Kids Edition Late 2015
23.34 MB/s
Acer Iconia One 8
17 MB/s
Sequential Write 256KB (sort by value)
Samsung Galaxy Tab A7 2016
28.95 MB/s
Amazon Fire Kids Edition Late 2015
38.19 MB/s
Acer Iconia One 8
40 MB/s
Sequential Read 256KB (sort by value)
Samsung Galaxy Tab A7 2016
65.9 MB/s
Amazon Fire Kids Edition Late 2015
156.6 MB/s
Acer Iconia One 8
126 MB/s
BaseMark OS II - Memory (sort by value)
Samsung Galaxy Tab A7 2016
431 Points
Amazon Fire Kids Edition Late 2015
341 Points
Acer Iconia One 8
765 Points
Samsung Galaxy Tab E (9.6, Wi-Fi)
228 Points
Asphalt 8: Airborne
 SettingsValue
 high14 fps
 very low23 fps
Real Racing 3
 SettingsValue
 high21 fps
 low50 fps
Max. Load
 38 °C33.8 °C29.9 °C 
 39.9 °C34.9 °C29.5 °C 
 39.3 °C33.6 °C29.7 °C 
Maximum: 39.9 °C
Average: 34.3 °C
30.8 °C36.7 °C38.6 °C
30.6 °C38.6 °C38.8 °C
33.5 °C35.7 °C36.7 °C
Maximum: 38.8 °C
Average: 35.6 °C
Power Supply (max.)  39 °C | Room Temperature 21.8 °C | Voltcraft IR-260
(±) The average temperature for the upper side under maximal load is 34.3 °C / 94 F, compared to the average of 30 °C / 86 F for the devices in the class Tablet.
(+) The maximum temperature on the upper side is 39.9 °C / 104 F, compared to the average of 33.7 °C / 93 F, ranging from 20.7 to 53.2 °C for the class Tablet.
(+) The bottom heats up to a maximum of 38.8 °C / 102 F, compared to the average of 33.2 °C / 92 F
(+) In idle usage, the average temperature for the upper side is 31.5 °C / 89 F, compared to the device average of 30 °C / 86 F.
Power Consumption
Off / Standbydarklight 0.02 / 0.1 Watt
Idledarkmidlight 1.91 / 3.59 / 4.06 Watt
Load midlight 4.29 / 4.31 Watt
 color bar
Key: min: dark, med: mid, max: light        Gossen Metrahit Energy
Samsung Galaxy Tab A7 2016
Mali-400 MP2, SC7731, 8 GB eMMC Flash
Huawei MediaPad T1 8.0 LTE
Adreno 306, 410 MSM8916, 16 GB eMMC Flash
Amazon Fire Kids Edition Late 2015
Mali-450 MP4, MT8127, 8 GB eMMC Flash
Acer Iconia One 8
HD Graphics (Bay Trail), Z3735G, 16 GB eMMC Flash
Lenovo Miix 3 8
HD Graphics (Bay Trail), Z3735F, 32 GB eMMC Flash
Samsung Galaxy Tab E (9.6, Wi-Fi)
Mali-400 MP, SC8830, 8 GB eMMC Flash
Power Consumption
17%
7%
4%
-7%
-7%
Idle Minimum *
1.91
1.12
41%
0.8
58%
0.4
79%
1.1
42%
Idle Average *
3.59
2.2
39%
3.06
15%
3.1
14%
0.6
83%
3.9
-9%
Idle Maximum *
4.06
2.5
38%
3.31
18%
3.3
19%
0.7
83%
4.1
-1%
Load Average *
4.29
3.6
16%
4.85
-13%
5.1
-19%
9.8
-128%
5.2
-21%
Load Maximum *
4.31
5.4
-25%
5.41
-26%
6.5
-51%
10.9
-153%
6.2
-44%

* ... smaller is better

Battery Runtime
Idle (without WLAN, min brightness)
22h 33min
WiFi Websurfing (Samsung Browser)
10h 19min
Big Buck Bunny H.264 1080p
8h 33min
Load (maximum brightness)
6h 19min
Samsung Galaxy Tab A7 2016
Mali-400 MP2, SC7731, 8 GB eMMC Flash
Huawei MediaPad T1 8.0 LTE
Adreno 306, 410 MSM8916, 16 GB eMMC Flash
Amazon Fire Kids Edition Late 2015
Mali-450 MP4, MT8127, 8 GB eMMC Flash
Acer Iconia One 8
HD Graphics (Bay Trail), Z3735G, 16 GB eMMC Flash
Lenovo Miix 3 8
HD Graphics (Bay Trail), Z3735F, 32 GB eMMC Flash
Samsung Galaxy Tab E (9.6, Wi-Fi)
Mali-400 MP, SC8830, 8 GB eMMC Flash
Battery Runtime
8%
-21%
4%
-21%
Reader / Idle
1353
1545
14%
1257
-7%
850
-37%
H.264
513
795
55%
502
-2%
WiFi v1.3
619
633
2%
490
-21%
742
20%
518
-16%
Load
379
185
-51%
264
-30%
WiFi
353

Pros

+ 紧凑,轻盈的设计
+ 不错的工艺
+ 防滑机背
+ micro-SD插槽,支持App2SD
+ 可选的儿童模式
+ 对于平板来说不错的相机质量
+ 可视角度稳定的屏幕
+ 准确的触控
+ 不错的电池续航

Cons

- 存储空间小
- 不支持MHL或Miracast
- 无线网络仅支持2.4 GHz频段
- 充电时间长
- 浏览器速度慢
- 性能较低
- 在负载下有降频现象
- 主相机视频拍摄品质一般
- 屏幕在按压下出现水波纹
In review: Samsung Galaxy Tab A7 (2016) - SM-T280. Review sample courtesy of Notebooksbilliger.de
In review: Samsung Galaxy Tab A7 (2016) - SM-T280. Review sample courtesy of Notebooksbilliger.de

三星为它的Galaxy Tab A7 (2016) SM-T280采用了非常紧凑轻盈的设计,它看上去几乎像是一台大屏手机。尽管它的机身完全为塑料材质,但防滑的机背设计仍然值得称赞。触控表面和屏幕面板之间的连接让人有些担心,在按压屏幕时它很容易就会出现水波纹。IPS的屏幕并不算特别出色,但也没有什么缺点。它所搭配的相机也是如此。尽管分辨率较低,但可以拍摄品质不错的照片。但是高品质视频拍摄就不是Galaxy Tab A7的长项了。

尽管硬件性能较低,但浏览照片、上网等基本使用在这台设备上可以流畅无阻。不过,这颗处理器在遇到需求较高的应用程序或者复杂网站时就有些捉襟见肘了。用户需要注意到它较为紧张的存储空间,幸运的是它可以通过支持App2SD的micro-SD卡槽扩展。

Galaxy Tab A7不是一台可以满足对性能需求很高的用户的设备。不过,它为日常使用提供了足够的动力,相机和屏幕在这个价位上都算是非常实用。

这台测试机目前的市场价为135欧元(约991人民币)。需要更实惠设备的用户可以考虑亚马逊的Fire平板电脑,它目前起售价约60欧元(约440人民币)。不过,用户需要接受品质较低的机身,低分辨率屏幕以及为亚马逊服务优化的操作系统。

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。 

Samsung Galaxy Tab A7 2016 - 05/09/2016 v5.1 (old)
Andreas Kilian

Chassis
78%
Keyboard
70 / 80 → 88%
Pointing Device
88%
Connectivity
30 / 65 → 46%
Weight
87 / 40-88 → 98%
Battery
91%
Display
82%
Games Performance
5 / 68 → 7%
Application Performance
24 / 76 → 32%
Temperature
88%
Noise
100%
Audio
54 / 91 → 59%
Camera
60 / 85 → 71%
Average
66%
82%
Tablet - Weighted Average

Price comparison

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> Notebookcheck中文版(NBC中国) > 评测 > 三星 Galaxy Tab A 7.0 (2016) 平板电脑简短评测
Andreas Kilian, 2016-05-19 (Update: 2016-05-21)