Breve Análise do Tablet Samsung Galaxy Tab S4
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iluminação: 91 %
iluminação com acumulador: 474 cd/m²
Contraste: ∞:1 (Preto: 0 cd/m²)
ΔE Color 2.5 | 0.5-29.43 Ø4.92
ΔE Greyscale 2.1 | 0.5-98 Ø5.2
Gamma: 2.08
| Samsung Galaxy Tab S4 Super AMOLED, 2560x1600, 10.5" | Samsung Galaxy Tab S3 SM-T825 Super AMOLED, 2048x1526, 9.7" | Apple iPad Pro 10.5 2017 IPS, 2224x1668, 10.5" | Huawei MediaPad M5 10.8 Pro IPS, 2560x1600, 10.8" | Amazon Fire HD 10 2017 IPS, 1920x1200, 10.1" | Acer Iconia Tab 10 A3-A50 IPS, 1920x1200, 10.1" | |
|---|---|---|---|---|---|---|
| Screen | 14% | 14% | -100% | -48% | -159% | |
| Brightness middle | 474 | 452 -5% | 634 34% | 384 -19% | 426 -10% | 340 -28% |
| Brightness | 477 | 468 -2% | 625 31% | 360 -25% | 399 -16% | 320 -33% |
| Brightness Distribution | 91 | 82 -10% | 87 -4% | 84 -8% | 91 0% | 84 -8% |
| Black Level * | 0.39 | 0.8 | 0.38 | 0.19 | ||
| Colorchecker dE 2000 * | 2.5 | 1.8 28% | 1.9 24% | 6.83 -173% | 4.5 -80% | 15 -500% |
| Colorchecker dE 2000 max. * | 5.8 | 4 31% | 3.9 33% | 12.7 -119% | 7.9 -36% | 22.8 -293% |
| Greyscale dE 2000 * | 2.1 | 1.2 43% | 2.8 -33% | 7.5 -257% | 5.2 -148% | 4 -90% |
| Gamma | 2.08 106% | 2.11 104% | 2.26 97% | 2.199 100% | 2.23 99% | 2.09 105% |
| CCT | 6281 103% | 6500 100% | 7027 93% | 8544 76% | 6875 95% | 6940 94% |
| Color Space (Percent of AdobeRGB 1998) | 82.32 | |||||
| Color Space (Percent of sRGB) | 99.06 | |||||
| Contrast | 1626 | 480 | 1121 | 1789 |
* ... smaller is better
Screen Flickering / PWM (Pulse-Width Modulation)
| Screen flickering / PWM detected | 240.4 Hz | ≤ 99 % brightness setting |  |
The display backlight flickers at 240.4 Hz (worst case, e.g., utilizing PWM) Flickering detected at a brightness setting of 99 % and below. There should be no flickering or PWM above this brightness setting. The frequency of 240.4 Hz is relatively low, so sensitive users will likely notice flickering and experience eyestrain at the stated brightness setting and below. In comparison: 53 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 8743 (minimum: 5 - maximum: 343500) Hz was measured. | |||
Display Response Times
| ↔ Response Time Black to White | ||
|---|---|---|
| 4 ms ... rise ↗ and fall ↘ combined | ↗ 2 ms rise |  |
| ↘ 2 ms fall | ||
| The screen shows very fast response rates in our tests and should be very well suited for fast-paced gaming. In comparison, all tested devices range from 0.1 (minimum) to 240 (maximum) ms. » 12 % of all devices are better. This means that the measured response time is better than the average of all tested devices (21 ms). | ||
| ↔ Response Time 50% Grey to 80% Grey | ||
| 4.8 ms ... rise ↗ and fall ↘ combined | ↗ 2.8 ms rise |  |
| ↘ 2 ms fall | ||
| The screen shows very fast response rates in our tests and should be very well suited for fast-paced gaming. In comparison, all tested devices range from 0.165 (minimum) to 636 (maximum) ms. » 13 % of all devices are better. This means that the measured response time is better than the average of all tested devices (32.9 ms). | ||
| AnTuTu v7 - Total Score | |
| Average Qualcomm Snapdragon 835 (8998) (201881 - 217442, n=8) | |
| Samsung Galaxy Tab S4 | |
| Huawei MediaPad M5 10.8 Pro | |
| Amazon Fire HD 10 2017 | |
| Lightmark - 1920x1080 1080p | |
| Average Qualcomm Snapdragon 835 (8998) (32.1 - 38.7, n=5) | |
| Samsung Galaxy Tab S3 SM-T825 | |
| Basemark ES 3.1 / Metal - offscreen Overall Score | |
| Average of class Tablet (309 - 3806, n=10, last 2 years) | |
| Average Qualcomm Snapdragon 835 (8998) (733 - 889, n=6) | |
| Samsung Galaxy Tab S3 SM-T825 | |
| Octane V2 - Total Score | |
| Apple iPad Pro 10.5 2017 (Safari Mobile 10) | |
| Average of class Tablet (763 - 105178, n=86, last 2 years) | |
| Samsung Galaxy Tab S4 (Samsung Browser 8.0) | |
| Huawei MediaPad M5 10.8 Pro (Chrome 68.0.3440.91) | |
| Average Qualcomm Snapdragon 835 (8998) (3086 - 14300, n=20) | |
| Samsung Galaxy Tab S3 SM-T825 (Samsung Browser 5.2) | |
| Acer Iconia Tab 10 A3-A50 (Browser: Chrome Version 63) | |
| Amazon Fire HD 10 2017 (Amazon Silk 61.2) | |
| WebXPRT 2015 - Overall | |
| Apple iPad Pro 10.5 2017 (Safari Mobile 10) | |
| Samsung Galaxy Tab S4 (Samsung Browser 8.0) | |
| Huawei MediaPad M5 10.8 Pro (Chrome 68.0.3440.91) | |
| Average Qualcomm Snapdragon 835 (8998) (57 - 204, n=17) | |
| Amazon Fire HD 10 2017 (Amazon Silk 61.2) | |
| Samsung Galaxy Tab S3 SM-T825 (Samsung Browser 5.2) | |
| JetStream 1.1 - Total Score | |
| Apple iPad Pro 10.5 2017 (Safari Mobile 10) | |
| Average Qualcomm Snapdragon 835 (8998) (52.9 - 80.4, n=19) | |
| Samsung Galaxy Tab S4 (Samsung Browser 8.0) | |
| Huawei MediaPad M5 10.8 Pro (Chrome 68.0.3440.91) | |
| Acer Iconia Tab 10 A3-A50 (Browser: Chrome Version 63) | |
| Amazon Fire HD 10 2017 (Amazon Silk 61.2) | |
| Samsung Galaxy Tab S3 SM-T825 (Samsung Browser 5.2) | |
| Mozilla Kraken 1.1 - Total | |
| Amazon Fire HD 10 2017 (Amazon Silk 61.2) | |
| Average of class Tablet (319 - 34733, n=74, last 2 years) | |
| Acer Iconia Tab 10 A3-A50 (Browser: Chrome Version 63) | |
| Huawei MediaPad M5 10.8 Pro (Chrome 68.0.3440.91) | |
| Average Qualcomm Snapdragon 835 (8998) (2425 - 4813, n=19) | |
| Samsung Galaxy Tab S4 (Samsung Browser 8.0) | |
| Samsung Galaxy Tab S3 SM-T825 (Samsung Browser 5.2) | |
| Apple iPad Pro 10.5 2017 (Safari Mobile 10) | |
* ... smaller is better
| Samsung Galaxy Tab S4 | Samsung Galaxy Tab S3 SM-T825 | Huawei MediaPad M5 10.8 Pro | Amazon Fire HD 10 2017 | Acer Iconia Tab 10 A3-A50 | Average 64 GB UFS 2.1 Flash | Average of class Tablet | |
|---|---|---|---|---|---|---|---|
| AndroBench 3-5 | -39% | -34% | -52% | -48% | 38% | 250% | |
| Sequential Read 256KB | 741 | 288.6 -61% | 278.6 -62% | 262.2 -65% | 173.7 -77% | 696 ? -6% | 1045 ? 41% |
| Sequential Write 256KB | 195.8 | 87.6 -55% | 94.1 -52% | 147.7 -25% | 92.4 -53% | 224 ? 14% | 684 ? 249% |
| Random Read 4KB | 142 | 45.82 -68% | 27.41 -81% | 27.72 -80% | 13.7 -90% | 137.2 ? -3% | 189.2 ? 33% |
| Random Write 4KB | 24.43 | 13.13 -46% | 15.35 -37% | 9.37 -62% | 8.77 -64% | 84.7 ? 247% | 189.5 ? 676% |
| Sequential Read 256KB SDCard | 80.1 ? | 76.4 ? -5% | 84.9 ? 6% | 55.5 ? -31% | 80.4 ? 0% | 68.6 ? -14% | |
| Sequential Write 256KB SDCard | 59.1 ? | 58.6 ? -1% | 73.1 ? 24% | 30.14 ? -49% | 56.8 ? -4% | 52.2 ? -12% |
Asphalt 9: Legends
PUBG Mobile
(+) The maximum temperature on the upper side is 31.4 °C / 89 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 30.2 °C / 86 F, compared to the average of 33.2 °C / 92 F
(+) In idle usage, the average temperature for the upper side is 26.8 °C / 80 F, compared to the device average of 30 °C / 86 F.
Samsung Galaxy Tab S4 audio analysis
(±) | speaker loudness is average but good (80.1 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 18% lower than median
(-) | bass is not linear (18.7% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 4.3% away from median
(+) | mids are linear (1.9% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 3.3% away from median
(±) | linearity of highs is average (7% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (19.2% difference to median)
Compared to same class
» 48% of all tested devices in this class were better, 6% similar, 46% worse
» The best had a delta of 7%, average was 22%, worst was 129%
Compared to all devices tested
» 42% of all tested devices were better, 7% similar, 50% worse
» The best had a delta of 4%, average was 25%, worst was 134%
Huawei MediaPad M5 10.8 Pro audio analysis
(+) | speakers can play relatively loud (84.6 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 73.6% lower than median
(+) | bass is linear (0% delta to prev. frequency)
Mids 400 - 2000 Hz
(-) | nearly no mids - on average 73.6% lower than median
(+) | mids are linear (0% delta to prev. frequency)
Highs 2 - 16 kHz
(-) | nearly no highs - on average 73.6% lower than median
(+) | highs are linear (0% delta to prev. frequency)
Overall 100 - 16.000 Hz
(-) | overall sound is not linear (110.3% difference to median)
Compared to same class
» 98% of all tested devices in this class were better, 1% similar, 1% worse
» The best had a delta of 7%, average was 22%, worst was 129%
Compared to all devices tested
» 96% of all tested devices were better, 0% similar, 4% worse
» The best had a delta of 4%, average was 25%, worst was 134%
| desligado |   0.01 / 0.21 Watt |
| Ocioso |  1.76 / 4.22 / 4.25 Watt |
| Carga |
4.52 / 7.35 Watt |
    
| |
Key:
min: ,
med: ,
max: Metrahit Energy | |
| Samsung Galaxy Tab S4 7300 mAh | Samsung Galaxy Tab S3 SM-T825 6000 mAh | Apple iPad Pro 10.5 2017 8134 mAh | Huawei MediaPad M5 10.8 Pro 7500 mAh | Amazon Fire HD 10 2017 6300 mAh | Acer Iconia Tab 10 A3-A50 6100 mAh | |
|---|---|---|---|---|---|---|
| Power Consumption | -8% | -41% | -74% | -15% | -64% | |
| Idle Minimum * | 1.76 | 2.08 -18% | 1.44 18% | 3.3 -88% | 1.55 12% | 3.21 -82% |
| Idle Average * | 4.22 | 3.5 17% | 6.12 -45% | 4.2 -0% | 4.17 1% | 5.97 -41% |
| Idle Maximum * | 4.25 | 3.58 16% | 6.14 -44% | 7 -65% | 4.25 -0% | 6.19 -46% |
| Load Average * | 4.52 | 6.97 -54% | 8.55 -89% | 10.4 -130% | 7.13 -58% | 9.72 -115% |
| Load Maximum * | 7.35 | 7.4 -1% | 10.62 -44% | 13.8 -88% | 9.63 -31% | 9.97 -36% |
* ... smaller is better
| Samsung Galaxy Tab S4 7300 mAh | Samsung Galaxy Tab S3 SM-T825 6000 mAh | Apple iPad Pro 10.5 2017 8134 mAh | Huawei MediaPad M5 10.8 Pro 7500 mAh | Amazon Fire HD 10 2017 6300 mAh | Acer Iconia Tab 10 A3-A50 6100 mAh | |
|---|---|---|---|---|---|---|
| Battery Runtime | 34% | 18% | 3% | -5% | -30% | |
| Reader / Idle | 1227 | 1903 55% | 2036 66% | 1254 2% | 960 -22% | 735 -40% |
| H.264 | 735 | 551 -25% | 629 -14% | 629 -14% | 585 -20% | |
| WiFi v1.3 | 495 | 760 54% | 693 40% | 670 35% | 542 9% | 387 -22% |
| Load | 245 | 375 53% | 199 -19% | 220 -10% | 274 12% | 175 -29% |
Pro
Contra
O Samsung Galaxy Tab S4 é atualmente o tablet Android mais potente do mercado. A grande tela Super AMOLED é particularmente convincente, enquanto a sua integração com o DeX é excelente para a produtividade, embora existam limitações na sua utilização para jogos e multimídia. Os 64 GB de armazenamento e 4 GB de RAM também são abundantes, embora seja uma pena que a Samsung não venda o de 256 GB em mais regiões e atualmente limita-a apenas à versão Wi-Fi. A S Pen sem bateria também continua sendo uma ótima ferramenta.
O Samsung Galaxy Tab S4 é um fantástico tablet que ganha a coroa dos tablets Android graças à sua excelente tela e à atual falta de alternativas viáveis.
No entanto, a Samsung errou o alvo ao tentar criar um tablet de gama alta com uma sensação de qualidade superior. A empresa equipou o Tab S4 com o SoC carro chefe do ano passado, enquanto seu armazenamento, memória RAM e câmeras são mais compatíveis com um smartphone de gama média do que um dispositivo carro chefe de 2018. A S Pen de plástico e a capa de teclado opcional apenas aumentam a nossa impressão de que a Samsung poderia ter ido mais longe ao oferecer uma experiência de tablet de nível de carro chefe.
O Tab S4 está a partir de $649,99 (£599) no site da Samsung, que sobe para $749 para a versão de 256 GB Wi-Fi nos Estados Unidos e para $729,99 (£649) para a variante LTE. No entanto, a maioria dos tablets Android são consideravelmente mais baratos, dos quais o Huawei MediaPad M5 Pro é atualmente a melhor alternativa. Seus acessórios opcionais são difíceis de encontrar, e também fica aquém do Tab S4 em geral.
Samsung Galaxy Tab S4
- 08/31/2022 v7 (old)
Daniel Schmidt
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