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MagyarBreve Análise do Portátil Lenovo ThinkPad A285 (Ryzen 5 Pro, Vega 8, FHD)
| SD Card Reader | |
| average JPG Copy Test (av. of 3 runs) | |
| Dell Latitude 7390 (Toshiba Exceria Pro M501) | |
| Fujitsu Lifebook U938 (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
| HP Envy 13-ah0003ng (Toshiba Exceria Pro M501 microSDXC 64GB) | |
| Lenovo ThinkPad X280-20KES01S00 (Toshiba Excerie Pro M501) | |
| Lenovo ThinkPad A285-20MX0002GE (Toshiba Exceria Pro M501 64 GB UHS-II) | |
| Average of class Subnotebook (18.9 - 193.9, n=17, last 2 years) | |
| maximum AS SSD Seq Read Test (1GB) | |
| Dell Latitude 7390 (Toshiba Exceria Pro M501) | |
| Fujitsu Lifebook U938 (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
| Lenovo ThinkPad A285-20MX0002GE (Toshiba Exceria Pro M501 64 GB UHS-II) | |
| Lenovo ThinkPad X280-20KES01S00 (Toshiba Excerie Pro M501) | |
| HP Envy 13-ah0003ng (Toshiba Exceria Pro M501 microSDXC 64GB) | |
| Average of class Subnotebook (23.6 - 239, n=17, last 2 years) | |
| |||||||||||||||||||||||||
iluminação: 88 %
iluminação com acumulador: 349 cd/m²
Contraste: 938:1 (Preto: 0.37 cd/m²)
ΔE Color 7.7 | 0.5-29.43 Ø5, calibrated: 6
ΔE Greyscale 7.9 | 0.57-98 Ø5.3
64.9% sRGB (Argyll 1.6.3 3D)
42.2% AdobeRGB 1998 (Argyll 1.6.3 3D)
46.03% AdobeRGB 1998 (Argyll 2.2.0 3D)
65.4% sRGB (Argyll 2.2.0 3D)
44.51% Display P3 (Argyll 2.2.0 3D)
Gamma: 2.24
| Lenovo ThinkPad A285-20MX0002GE N125HCE-GN1, IPS LED, 1920x1080, 12.50 | Lenovo ThinkPad X280-20KES01S00 B125HAN02.2, IPS LED, 1920x1080, 12.50 | Dell Latitude 7390 AU Optronics AUO462D / B133HAN [DELL P/N:F7VDJ], IPS, 1920x1080, 13.30 | Fujitsu Lifebook U938 Sharp LQ133M1JW28, IPS, 1920x1080, 13.30 | HP Envy 13-ah0003ng M133NVF3 R0, IPS, 1920x1080, 13.30 | |
|---|---|---|---|---|---|
| Display | -1% | 43% | 48% | 24% | |
| Display P3 Coverage | 44.51 | 44 -1% | 65.1 46% | 67.5 52% | 54.8 23% |
| sRGB Coverage | 65.4 | 64.5 -1% | 90.8 39% | 94.5 44% | 82.5 26% |
| AdobeRGB 1998 Coverage | 46.03 | 45.45 -1% | 65.9 43% | 68.7 49% | 56.6 23% |
| Response Times | 4% | -17% | -33% | -16% | |
| Response Time Grey 50% / Grey 80% * | 41 ? | 40 ? 2% | 48.8 ? -19% | 43 ? -5% | 31 ? 24% |
| Response Time Black / White * | 31 ? | 29.6 ? 5% | 35.2 ? -14% | 29 ? 6% | 24 ? 23% |
| PWM Frequency | 25510 ? | 217 ? -99% | 1000 ? -96% | ||
| Screen | 21% | 35% | 32% | 39% | |
| Brightness middle | 347 | 344 -1% | 329 -5% | 344 -1% | 289 -17% |
| Brightness | 321 | 313 -2% | 316 -2% | 320 0% | 310 -3% |
| Brightness Distribution | 88 | 82 -7% | 92 5% | 77 -12% | 85 -3% |
| Black Level * | 0.37 | 0.25 32% | 0.25 32% | 0.31 16% | 0.23 38% |
| Contrast | 938 | 1376 47% | 1316 40% | 1110 18% | 1257 34% |
| Colorchecker dE 2000 * | 7.7 | 4.7 39% | 4.3 44% | 2.72 65% | 1.64 79% |
| Colorchecker dE 2000 max. * | 31 | 19.4 37% | 7.8 75% | 5.92 81% | 3.31 89% |
| Colorchecker dE 2000 calibrated * | 6 | 2.5 58% | 0.99 83% | ||
| Greyscale dE 2000 * | 7.9 | 2.2 72% | 3.6 54% | 2.74 65% | 1.71 78% |
| Gamma | 2.24 98% | 2.16 102% | 2.43 91% | 2.38 92% | 2.32 95% |
| CCT | 6914 94% | 6252 104% | 6928 94% | 6794 96% | 6291 103% |
| Color Space (Percent of AdobeRGB 1998) | 42.2 | 41.2 -2% | 59.1 40% | 61 45% | 52 23% |
| Color Space (Percent of sRGB) | 64.9 | 64.1 -1% | 90.6 40% | 94 45% | 82 26% |
| Total Average (Program / Settings) | 8% /
15% | 20% /
30% | 16% /
23% | 16% /
26% |
* ... smaller is better
Display Response Times
| ↔ Response Time Black to White | ||
|---|---|---|
| 31 ms ... rise ↗ and fall ↘ combined | ↗ 16 ms rise |  |
| ↘ 15 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. » 82 % 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 | ||
| 41 ms ... rise ↗ and fall ↘ combined | ↗ 22 ms rise |  |
| ↘ 19 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. » 60 % 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)
| Screen flickering / PWM detected | 25510 Hz | ≤ 50 % brightness setting |  |
The display backlight flickers at 25510 Hz (worst case, e.g., utilizing PWM) Flickering detected at a brightness setting of 50 % and below. There should be no flickering or PWM above this brightness setting. The frequency of 25510 Hz is quite high, so most users sensitive to PWM should not notice any flickering. 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. | |||
* ... smaller is better
| PCMark 8 Home Score Accelerated v2 | 3714 pontos | |
| PCMark 8 Creative Score Accelerated v2 | 4465 pontos | |
| PCMark 8 Work Score Accelerated v2 | 4650 pontos | |
| PCMark 10 Score | 3361 pontos | |
Ajuda | ||
| Lenovo ThinkPad A285-20MX0002GE Samsung SSD PM981 MZVLB256HAHQ | Lenovo ThinkPad X280-20KES01S00 Samsung SSD PM981 MZVLB512HAJQ | Dell Latitude 7390 SK hynix SC311 M.2 | Fujitsu Lifebook U938 Micron 1100 MTFDDAV256TBN | HP Envy 13-ah0003ng SK Hynix BC501 HFM512GDJTNG | Average Samsung SSD PM981 MZVLB256HAHQ | |
|---|---|---|---|---|---|---|
| AS SSD | 22% | -60% | -63% | -26% | -6% | |
| Seq Read | 2483 | 2316 -7% | 485.5 -80% | 455.5 -82% | 494.3 -80% | 2032 ? -18% |
| Seq Write | 1315 | 1385 5% | 369.9 -72% | 364.5 -72% | 720 -45% | 1339 ? 2% |
| 4K Read | 43.16 | 47.2 9% | 27.31 -37% | 24.41 -43% | 38.35 -11% | 46.1 ? 7% |
| 4K Write | 85.7 | 105.3 23% | 63.6 -26% | 73.8 -14% | 98.4 15% | 107.4 ? 25% |
| 4K-64 Read | 763 | 1218 60% | 282.8 -63% | 235.7 -69% | 611 -20% | 712 ? -7% |
| 4K-64 Write | 1067 | 1309 23% | 210.3 -80% | 308.8 -71% | 712 -33% | 999 ? -6% |
| Access Time Read * | 0.049 | 0.041 16% | 0.075 -53% | 0.099 -102% | 0.061 -24% | 0.07076 ? -44% |
| Access Time Write * | 0.042 | 0.036 14% | 0.056 -33% | 0.057 -36% | 0.037 12% | 0.04352 ? -4% |
| Score Read | 1052 | 1497 42% | 359 -66% | 306 -71% | 698 -34% | 961 ? -9% |
| Score Write | 1285 | 1553 21% | 311 -76% | 419 -67% | 883 -31% | 1240 ? -4% |
| Score Total | 2829 | 3774 33% | 857 -70% | 885 -69% | 1961 -31% | 2671 ? -6% |
* ... smaller is better
| 3DMark 11 Performance | 3153 pontos | |
| 3DMark Ice Storm Standard Score | 69209 pontos | |
| 3DMark Cloud Gate Standard Score | 8099 pontos | |
| 3DMark Fire Strike Score | 1724 pontos | |
| 3DMark Fire Strike Extreme Score | 807 pontos | |
| 3DMark Time Spy Score | 587 pontos | |
Ajuda | ||
| baixo | média | alto | ultra | |
| BioShock Infinite (2013) | 103.1 | 17.2 | ||
| Rise of the Tomb Raider (2016) | 12.3 | |||
| Rocket League (2017) | 52.9 |
Barulho
| Ocioso |
| 28.9 / 28.9 / 28.9 dB |
| Carga |
| 31.2 / 31.2 dB |
 | ||
30 dB silencioso 40 dB(A) audível 50 dB(A) ruidosamente alto |
||
min:  , med:  , max:  Audix TM1, Arta (15 cm de distância) environment noise: 28.9 dB(A) | ||
| Lenovo ThinkPad A285-20MX0002GE Vega 8, R5 PRO 2500U, Samsung SSD PM981 MZVLB256HAHQ | Lenovo ThinkPad X280-20KES01S00 UHD Graphics 620, i5-8250U, Samsung SSD PM981 MZVLB512HAJQ | Dell Latitude 7390 UHD Graphics 620, i5-8350U, SK hynix SC311 M.2 | Fujitsu Lifebook U938 UHD Graphics 620, i5-8250U, Micron 1100 MTFDDAV256TBN | HP Envy 13-ah0003ng GeForce MX150, i5-8550U, SK Hynix BC501 HFM512GDJTNG | |
|---|---|---|---|---|---|
| Noise | -10% | -7% | -6% | -12% | |
| off / environment * | 28.9 | 29.2 -1% | 29.5 -2% | 30.4 -5% | 30.3 -5% |
| Idle Minimum * | 28.9 | 29.2 -1% | 29.5 -2% | 30.4 -5% | 30.3 -5% |
| Idle Average * | 28.9 | 29.2 -1% | 29.5 -2% | 30.4 -5% | 30.3 -5% |
| Idle Maximum * | 28.9 | 29.2 -1% | 29.5 -2% | 30.4 -5% | 30.3 -5% |
| Load Average * | 31.2 | 39.7 -27% | 32.4 -4% | 33.7 -8% | 38.9 -25% |
| Load Maximum * | 31.2 | 39.7 -27% | 39.9 -28% | 33 -6% | 39 -25% |
* ... smaller is better
(±) The maximum temperature on the upper side is 43 °C / 109 F, compared to the average of 35.9 °C / 97 F, ranging from 21.4 to 59 °C for the class Subnotebook.
(-) The bottom heats up to a maximum of 46 °C / 115 F, compared to the average of 39.4 °C / 103 F
(+) In idle usage, the average temperature for the upper side is 23.8 °C / 75 F, compared to the device average of 30.7 °C / 87 F.
(+) The palmrests and touchpad are reaching skin temperature as a maximum (34.7 °C / 94.5 F) and are therefore not hot.
(-) The average temperature of the palmrest area of similar devices was 28.3 °C / 82.9 F (-6.4 °C / -11.6 F).
| Lenovo ThinkPad A285-20MX0002GE Vega 8, R5 PRO 2500U, Samsung SSD PM981 MZVLB256HAHQ | Lenovo ThinkPad X280-20KES01S00 UHD Graphics 620, i5-8250U, Samsung SSD PM981 MZVLB512HAJQ | Dell Latitude 7390 UHD Graphics 620, i5-8350U, SK hynix SC311 M.2 | Fujitsu Lifebook U938 UHD Graphics 620, i5-8250U, Micron 1100 MTFDDAV256TBN | HP Envy 13-ah0003ng GeForce MX150, i5-8550U, SK Hynix BC501 HFM512GDJTNG | |
|---|---|---|---|---|---|
| Heat | 3% | -2% | 3% | -14% | |
| Maximum Upper Side * | 43 | 43.2 -0% | 43.1 -0% | 39.3 9% | 43.1 -0% |
| Maximum Bottom * | 46 | 43.1 6% | 55.2 -20% | 43.1 6% | 45.9 -0% |
| Idle Upper Side * | 24.5 | 24.8 -1% | 23.7 3% | 25.4 -4% | 32.4 -32% |
| Idle Bottom * | 25.9 | 24.1 7% | 23.6 9% | 25.6 1% | 32.2 -24% |
* ... smaller is better
Lenovo ThinkPad A285-20MX0002GE audio analysis
(-) | not very loud speakers (71 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 25.9% lower than median
(±) | linearity of bass is average (10.3% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 2.7% away from median
(+) | mids are linear (6.1% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2.3% away from median
(+) | highs are linear (5.1% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (24% difference to median)
Compared to same class
» 78% of all tested devices in this class were better, 4% similar, 17% worse
» The best had a delta of 5%, average was 19%, worst was 53%
Compared to all devices tested
» 68% of all tested devices were better, 7% similar, 25% worse
» The best had a delta of 4%, average was 25%, worst was 134%
Dell Latitude 7390 audio analysis
(+) | speakers can play relatively loud (83.1 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 22.5% lower than median
(±) | linearity of bass is average (10.7% delta to prev. frequency)
Mids 400 - 2000 Hz
(±) | higher mids - on average 5% higher than median
(+) | mids are linear (4.7% delta to prev. frequency)
Highs 2 - 16 kHz
(±) | higher highs - on average 5.8% higher than median
(+) | highs are linear (6% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (20.7% difference to median)
Compared to same class
» 41% of all tested devices in this class were better, 11% similar, 48% worse
» The best had a delta of 7%, average was 22%, worst was 53%
Compared to all devices tested
» 50% of all tested devices were better, 8% similar, 42% worse
» The best had a delta of 4%, average was 25%, worst was 134%
| desligado | 0.28 / 0.61 Watt |
| Ocioso | 5.8 / 8.2 / 9.96 Watt |
| Carga |
37.9 / 40.5 Watt |
   
| |
| Lenovo ThinkPad A285-20MX0002GE R5 PRO 2500U, Vega 8, Samsung SSD PM981 MZVLB256HAHQ, IPS LED, 1920x1080, 12.50 | Lenovo ThinkPad X280-20KES01S00 i5-8250U, UHD Graphics 620, Samsung SSD PM981 MZVLB512HAJQ, IPS LED, 1920x1080, 12.50 | Dell Latitude 7390 i5-8350U, UHD Graphics 620, SK hynix SC311 M.2, IPS, 1920x1080, 13.30 | Fujitsu Lifebook U938 i5-8250U, UHD Graphics 620, Micron 1100 MTFDDAV256TBN, IPS, 1920x1080, 13.30 | HP Envy 13-ah0003ng i5-8550U, GeForce MX150, SK Hynix BC501 HFM512GDJTNG, IPS, 1920x1080, 13.30 | Average AMD Radeon RX Vega 8 (Ryzen 2000/3000) | Average of class Subnotebook | |
|---|---|---|---|---|---|---|---|
| Power Consumption | 12% | 10% | 34% | 2% | -4% | -15% | |
| Idle Minimum * | 5.8 | 3.11 46% | 2.34 60% | 2.4 59% | 5.3 9% | 5.68 ? 2% | 4.9 ? 16% |
| Idle Average * | 8.2 | 5.01 39% | 5.6 32% | 5.5 33% | 7.3 11% | 8.75 ? -7% | 8.36 ? -2% |
| Idle Maximum * | 9.96 | 8.11 19% | 6.5 35% | 6 40% | 9.3 7% | 10.1 ? -1% | 10.4 ? -4% |
| Load Average * | 37.9 | 44.6 -18% | 43 -13% | 31 18% | 39 -3% | 37.8 ? -0% | 45.9 ? -21% |
| Load Maximum * | 40.5 | 51.7 -28% | 67.4 -66% | 32.6 20% | 46 -14% | 46.2 ? -14% | 66 ? -63% |
* ... smaller is better
| Lenovo ThinkPad A285-20MX0002GE R5 PRO 2500U, Vega 8, 48 Wh | Lenovo ThinkPad X280-20KES01S00 i5-8250U, UHD Graphics 620, 50 Wh | Dell Latitude 7390 i5-8350U, UHD Graphics 620, 60 Wh | Fujitsu Lifebook U938 i5-8250U, UHD Graphics 620, 50 Wh | HP Envy 13-ah0003ng i5-8550U, GeForce MX150, 53.2 Wh | Average of class Subnotebook | |
|---|---|---|---|---|---|---|
| Battery Runtime | 62% | 116% | 48% | 30% | 88% | |
| Reader / Idle | 574 | 1212 111% | 1660 189% | 1167 103% | 931 62% | 1252 ? 118% |
| H.264 | 286 | 572 100% | 749 162% | 433 51% | 378 32% | 794 ? 178% |
| WiFi v1.3 | 469 | 531 13% | 506 8% | 481 3% | 629 ? 34% | |
| Load | 96 | 119 24% | 92 -4% | 123 28% | 116 21% | 115.4 ? 20% |
Pro
Contra
O Lenovo ThinkPad A285 finalmente oferece aos usuários a chance de adquirir um portátil ThinkPad compacto baseado em um processador AMD. Além de três modelos básicos, o dispositivo compacto de 12,5 polegadas pode ser ainda mais configurado e está disponível com recursos úteis, como um leitor de cartão inteligente ou scanner de digitais. O fabricante também oferece um módulo WWAN opcional, para que você possa usar Internet na estrada.
O Ryzen 5 Pro 2500U da AMD é um bom processador para o A285 e oferece bastante desempenho para tarefas comuns. O processador é comparável a um Intel Core i5-8250U, mas não para cargas de trabalho contínuas. O X280 com a CPU Intel é mais rápido, mas isso também é resultado de diferentes configurações do TDP, que foram definidas pela Lenovo.
A maior diferença entre os dois chips é o adaptador gráfico integrado. A Radeon Vega 8 da AMD é uma unidade muito mais rápida e pode facilmente superar o Intel UHD Graphics 620 nos benchmarks.
Nosso modelo de teste do Lenovo ThinkPad A285 é vendido por 1439 Euros (~$1640). Gostamos particularmente dos excelentes dispositivos de entrada, e o SSD PCIe de 256 GB garante altas taxas de transferência para um bom desempenho do sistema. O chassi robusto e de alta qualidade completa o pacote. Ele inclina a balança em apenas 1,1 kg (~2,4 lb), para que você possa carregá-lo facilmente ou colocá-lo em sua bolsa.
O Lenovo ThinkPad A285 é um bom dispositivo de escritório baseado em um processador AMD e se beneficia do preço mais baixo comparado ao X280. O A285 é uma boa opção se você não precisar do desempenho adicional da CPU do X280 ou dos tempos de duração mais longos da bateria.
Ainda existem algumas desvantagens, como o aumento do consumo no modo inativo, que afeta o tempo de duração da bateria em comparação com o X280. A tela em nosso modelo de teste também é um pouco pior, mas isso é resultado da loteria de paineis da Lenovo. O fabricante conta com diferentes fornecedores e você nunca sabe qual painel você obterá antes da compra.
A memória soldada é definitivamente um mau desenvolvimento para dispositivos comerciais e você não pode atualizá-la mais tarde. O A285 também não possui suporte para Thunderbolt 3 do X280. Ainda assim, a impressão geral do dispositivo é boa e podemos recomendá-lo. Ainda vamos ver se os usuários estão dispostos a mudar para um sistema AMD para seu dispositivo de negócios, mas o preço mais baixo é
Lenovo ThinkPad A285-20MX0002GE
-
01/06/2019 v6(old)
Sebastian Bade
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