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Breve Análise do Tablet Samsung Galaxy Tab A 7.0 (2016)

Andreas Kilian (traduzido por Ricardo Soto), 05/19/2016

Compacto. O design particularmente prático, outorga ao novo tablet de 7-polegadas da Samsung uma sensação quase de smartphone. No entanto, os apertados 8 GB de armazenamento e um SoC de gama baixa, estragam a diversão. Nosso teste revelará se o Galaxy Tab A7 convence com o uso no mundo real.

Samsung Galaxy Tab A7 2016 (Galaxy Tab A Serie)
Processador
Spreadtrum SC7731
Placa gráfica
ARM Mali-400 MP2
Memória
1536 MB 
Pantalha
7 polegadas 16:10, 1280x800 pixel 216 PPI, capacitive touchscreen, IPS, Brilhante: sim
Disco rígido
8 GB eMMC Flash, 8 GB 
, 4.35 GB livre
Conexões
1 USB 2.0, Conexões Audio: 3.5 mm headset jack, Card Reader: micro-SD max. 200 GB, Sensores: accelerometer, WiFi Direct
Funcionamento em rede
802.11 b/g/n (b/g/n), Bluetooth 4.0, GPS
Tamanho
altura x largura x profundidade (em mm): 8.7 x 186.9 x 108.8
Bateria
14.8 Wh, 4000 mAh Lítio-Ion
Sistema Operativo
Android 5.1 Lollipop
Camera
Primary Camera: 5 MPix (auto focus f/2.2, 720p videos @30 FPS)
Secondary Camera: 2 MPix (fix focus f/2.2, 720p videos @ 30 FPS
Características adicionais
Alto falantes: rear-sided mono speaker, Teclado: virtual, power supply, USB cable, Kids Mode, Smart Manager, Samsung TouchWiz UI, Hancom Office Viewer, 24 Meses Garantia, fanless
peso
283 g, Suprimento de energia: 44 g
Preço
170 EUR

 

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

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
Distribuição do brilho
X-Rite i1Pro 2
Máximo: 358 cd/m² Médio: 344 cd/m² Minimum: 1.14 cd/m²
iluminação: 92 %
iluminação com acumulador: 358 cd/m²
Contraste: 968:1 (Preto: 0.37 cd/m²)
ΔE Color 5.3 | - Ø
ΔE Greyscale 4.7 | - Ø
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
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 DeltaE2000 *
5.3
5.96
-12%
8.47
-60%
4.1
23%
5.7
-8%
5.75
-8%
Greyscale DeltaE2000 *
4.7
5.33
-13%
9.98
-112%
4.38
7%
5.62
-20%
5.33
-13%
Gamma
2.44 98%
2.19 110%
2.33 103%
2.33 103%
2.28 105%
2.61 92%
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: 57 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 6668 (minimum: 43 - maximum: 142900) 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 0.8 (minimum) to 240 (maximum) ms. » 94 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (26.7 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 0.9 (minimum) to 636 (maximum) ms. » 97 % of all devices are better.
This means that the measured response time is worse than the average of all tested devices (42.8 ms).
PCMark for Android - Work performance score (sort by value)
Samsung Galaxy Tab A7 2016
3095 Points ∼37%
Acer Iconia One 8
4739 Points ∼57% +53%
Samsung Galaxy Tab E (9.6, Wi-Fi)
2361 Points ∼28% -24%
AnTuTu Benchmark v6 - Total Score (sort by value)
Samsung Galaxy Tab A7 2016
22854 Points ∼10%
Amazon Fire Kids Edition Late 2015
25865 Points ∼11% +13%
Samsung Galaxy Tab E (9.6, Wi-Fi)
19547 Points ∼9% -14%
BaseMark OS II
Web (sort by value)
Samsung Galaxy Tab A7 2016
521 Points ∼34%
Amazon Fire Kids Edition Late 2015
613 Points ∼40% +18%
Acer Iconia One 8
837 Points ∼54% +61%
Samsung Galaxy Tab E (9.6, Wi-Fi)
556 Points ∼36% +7%
Graphics (sort by value)
Samsung Galaxy Tab A7 2016
150 Points ∼2%
Amazon Fire Kids Edition Late 2015
247 Points ∼3% +65%
Acer Iconia One 8
692 Points ∼8% +361%
Samsung Galaxy Tab E (9.6, Wi-Fi)
135 Points ∼2% -10%
System (sort by value)
Samsung Galaxy Tab A7 2016
923 Points ∼14%
Amazon Fire Kids Edition Late 2015
971 Points ∼15% +5%
Acer Iconia One 8
1359 Points ∼21% +47%
Samsung Galaxy Tab E (9.6, Wi-Fi)
921 Points ∼14% 0%
Overall (sort by value)
Samsung Galaxy Tab A7 2016
345 Points ∼9%
Amazon Fire Kids Edition Late 2015
473 Points ∼12% +37%
Acer Iconia One 8
881 Points ∼23% +155%
Samsung Galaxy Tab E (9.6, Wi-Fi)
354 Points ∼9% +3%
GFXBench (DX / GLBenchmark) 2.7
1920x1080 T-Rex HD Offscreen C24Z16 (sort by value)
Samsung Galaxy Tab A7 2016
4.2 fps ∼0%
Huawei MediaPad T1 8.0 LTE
5.3 fps ∼0% +26%
Amazon Fire Kids Edition Late 2015
8.9 fps ∼1% +112%
Acer Iconia One 8
6 fps ∼0% +43%
Samsung Galaxy Tab E (9.6, Wi-Fi)
6 fps ∼0% +43%
T-Rex HD Onscreen C24Z16 (sort by value)
Samsung Galaxy Tab A7 2016
6.5 fps ∼1%
Huawei MediaPad T1 8.0 LTE
9.1 fps ∼2% +40%
Amazon Fire Kids Edition Late 2015
13 fps ∼3% +100%
Acer Iconia One 8
24.4 fps ∼5% +275%
Samsung Galaxy Tab E (9.6, Wi-Fi)
3.7 fps ∼1% -43%
3DMark
1280x720 offscreen Ice Storm Unlimited Physics (sort by value)
Samsung Galaxy Tab A7 2016
7790 Points ∼11%
Huawei MediaPad T1 8.0 LTE
9183 Points ∼13% +18%
Amazon Fire Kids Edition Late 2015
8974 Points ∼12% +15%
Acer Iconia One 8
15430 Points ∼21% +98%
1280x720 offscreen Ice Storm Unlimited Graphics Score (sort by value)
Samsung Galaxy Tab A7 2016
3146 Points ∼1%
Huawei MediaPad T1 8.0 LTE
3799 Points ∼1% +21%
Amazon Fire Kids Edition Late 2015
4114 Points ∼1% +31%
Acer Iconia One 8
12471 Points ∼3% +296%
1280x720 offscreen Ice Storm Unlimited Score (sort by value)
Samsung Galaxy Tab A7 2016
3626 Points ∼2%
Huawei MediaPad T1 8.0 LTE
4368 Points ∼2% +20%
Amazon Fire Kids Edition Late 2015
4677 Points ∼2% +29%
Acer Iconia One 8
13026 Points ∼7% +259%
1280x720 Ice Storm Standard Physics (sort by value)
Samsung Galaxy Tab A7 2016
6992 Points ∼4%
Huawei MediaPad T1 8.0 LTE
9014 Points ∼6% +29%
Amazon Fire Kids Edition Late 2015
7914 Points ∼5% +13%
Lenovo Miix 3 8
12899 Points ∼8% +84%
Samsung Galaxy Tab E (9.6, Wi-Fi)
6941 Points ∼4% -1%
1280x720 Ice Storm Standard Graphics (sort by value)
Samsung Galaxy Tab A7 2016
3352 Points ∼0%
Huawei MediaPad T1 8.0 LTE
4707 Points ∼1% +40%
Amazon Fire Kids Edition Late 2015
4552 Points ∼1% +36%
Lenovo Miix 3 8
15821 Points ∼2% +372%
Samsung Galaxy Tab E (9.6, Wi-Fi)
2896 Points ∼0% -14%
1280x720 Ice Storm Standard Score (sort by value)
Samsung Galaxy Tab A7 2016
3790 Points ∼0%
Huawei MediaPad T1 8.0 LTE
5266 Points ∼0% +39%
Amazon Fire Kids Edition Late 2015
5026 Points ∼0% +33%
Lenovo Miix 3 8
15062 Points ∼1% +297%
Samsung Galaxy Tab E (9.6, Wi-Fi)
3323 Points ∼0% -12%

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 ∼5%
Huawei MediaPad T1 8.0 LTE
2446 Points ∼5%
Amazon Fire Kids Edition Late 2015
2358 Points ∼5%
Acer Iconia One 8
6110 Points ∼12%
Samsung Galaxy Tab E (9.6, Wi-Fi)
2408 Points ∼5%
Mozilla Kraken 1.1 - Total Score (sort by value)
Samsung Galaxy Tab A7 2016
15533.8 ms * ∼26%
Huawei MediaPad T1 8.0 LTE
14148 ms * ∼24%
Amazon Fire Kids Edition Late 2015
16411.4 ms * ∼28%
Acer Iconia One 8
5579.6 ms * ∼9%
Samsung Galaxy Tab E (9.6, Wi-Fi)
14709.9 ms * ∼25%
WebXPRT 2015 - Overall Score (sort by value)
Samsung Galaxy Tab A7 2016
40 Points ∼5%
Acer Iconia One 8
95 Points ∼13%
Samsung Galaxy Tab E (9.6, Wi-Fi)
37 Points ∼5%
JetStream 1.1 - 1.1 Total Score (sort by value)
Samsung Galaxy Tab A7 2016
14.5 Points ∼4%
Amazon Fire Kids Edition Late 2015
15.8 Points ∼5%

* ... smaller is better

AndroBench 3-5
Random Write 4KB (sort by value)
Samsung Galaxy Tab A7 2016
9.55 MB/s ∼6%
Amazon Fire Kids Edition Late 2015
10.6 MB/s ∼7%
Acer Iconia One 8
2.9 MB/s ∼2%
Random Read 4KB (sort by value)
Samsung Galaxy Tab A7 2016
21.95 MB/s ∼13%
Amazon Fire Kids Edition Late 2015
23.34 MB/s ∼13%
Acer Iconia One 8
17 MB/s ∼10%
Sequential Write 256KB (sort by value)
Samsung Galaxy Tab A7 2016
28.95 MB/s ∼14%
Amazon Fire Kids Edition Late 2015
38.19 MB/s ∼19%
Acer Iconia One 8
40 MB/s ∼19%
Sequential Read 256KB (sort by value)
Samsung Galaxy Tab A7 2016
65.94 MB/s ∼8%
Amazon Fire Kids Edition Late 2015
156.57 MB/s ∼20%
Acer Iconia One 8
126 MB/s ∼16%
BaseMark OS II - Memory (sort by value)
Samsung Galaxy Tab A7 2016
431 Points ∼10%
Amazon Fire Kids Edition Late 2015
341 Points ∼8%
Acer Iconia One 8
765 Points ∼17%
Samsung Galaxy Tab E (9.6, Wi-Fi)
228 Points ∼5%
Asphalt 8: Airborne
 ConfiguraçõesValor
 high14 fps
 very low23 fps
Real Racing 3
 ConfiguraçõesValor
 high21 fps
 low50 fps
Carga Máxima
 38 °C33.8 °C29.9 °C 
 39.9 °C34.9 °C29.5 °C 
 39.3 °C33.6 °C29.7 °C 
Máximo: 39.9 °C
Médio: 34.3 °C
30.8 °C36.7 °C38.6 °C
30.6 °C38.6 °C38.8 °C
33.5 °C35.7 °C36.7 °C
Máximo: 38.8 °C
Médio: 35.6 °C
alimentação elétrica  39 °C | Temperatura do quarto 21.8 °C | Voltcraft IR-260
Consumo de energia
desligadodarklight 0.02 / 0.1 Watt
Ociosodarkmidlight 1.91 / 3.59 / 4.06 Watt
Carga 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

Tempo de Execução da Bateria
Ocioso (sem WLAN, min brilho)
22h 33min
Navegar com WLAN v1.3 (Samsung Browser)
10h 19min
Big Buck Bunny H.264 1080p
8h 33min
Carga (máximo brilho)
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

Pro

+ compact, lightweight design
+ decent build
+ non-slip back
+ micro-SD slot with App2SD
+ optional Kids Mode
+ decent camera quality for a tablet
+ viewing angle stable screen
+ accurate touchscreen
+ decent battery life

Contra

- tight internal storage
- no MHL or Miracast
- WiFi only in 2.4 GHz networks
- long charging time
- sluggish browser performance
- no performance reserves
- minor throttling during load
- primary camera's moderate video quality
- pressure on screen causes wave formation
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

 Samsung uses such a compact, lightweight design for its Galaxy Tab A7 (2016) SM-T280 that it could be mistaken for a big phablet at first glance. Although the casing is completely made of plastic, it is appreciated thanks to its non-slip back. A bit more stability would have benefited the connection of touchscreen and display; pressure causes wave formations on the screen quite early. The IPS panel is not really awesome in any aspect, but it does not exhibit any real weaknesses, either. The same is true for the installed cameras. Although they have a lower resolution than high-end solutions, they produce decent photos seen individually. High-quality videos are not part of the Galaxy Tab A7's repertory, though.

Despite the rather low-performance hardware, basic tasks like viewing photos or navigating through the device settings are astonishingly smooth. However, the SoC finds its limits relatively soon with increasing demands, which can lead to noticeable waiting times or dropouts when, for example, visiting intricate websites. The user also has to make compromises in view of the tight storage capacity, although this problem is defused slightly thanks to the micro-SD slot with App2SD support.

The Galaxy Tab A7 is not a product that will please techies due to its relatively limited performance reserves. However, it offers enough power for many routine applications, has useful cameras and a good screen for a reasonable price.

The review sample is presently available for a market price starting at 135 Euros (~$153). Bargain hunters can risk taking a look at Amazon's Fire Tablet, which now starts at around 60 Euros (~$68), as an alternative. However, the user will have to accept a lower-quality casing, lower-resolution screen and an operating system designed for the Amazon Universe.

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

Acabamento
78%
Teclado
70 / 80 → 88%
Mouse
88%
Conectividade
30 / 65 → 46%
Peso
87 / 88 → 98%
Bateria
91%
Pantalha
82%
Desempenho do jogos
5 / 68 → 7%
Desempenho da aplicação
24 / 76 → 32%
Temperatura
88%
Ruído
100%
Audio
54 / 91 → 59%
Camera
60 / 85 → 71%
Médio
66%
82%
Tablet - Médio equilibrado

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> Análises e revisões de portáteis e celulares > Análises > Análises > Breve Análise do Tablet Samsung Galaxy Tab A 7.0 (2016)
Andreas Kilian, 2016-05-19 (Update: 2016-05-25)