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MagyarBreve Análise do Conversível Lenovo Yoga Chromebook C630
| SD Card Reader - average JPG Copy Test (av. of 3 runs) | |
| Average of class Convertible (17.7 - 209, n=35, last 2 years) | |
| Lenovo Yoga Chromebook C630-81JX0008UX (Toshiba Exceria Pro M501 UHS-II) | |
| Dell Inspiron 7486 Chromebook 14 2-in-1 (Toshiba Exceria Pro M501 UHS-II) | |
| Acer Chromebook 14 CP5-471-53QV (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
| Lenovo Chromebook C330-81HY0000US (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
| Dell Chromebook 11 3181 2-in-1 (Toshiba Exceria Pro M501 UHS-II) | |
| |||||||||||||||||||||||||
iluminação: 76 %
iluminação com acumulador: 281.2 cd/m²
Contraste: 1172:1 (Preto: 0.24 cd/m²)
ΔE Color 3.63 | 0.5-29.43 Ø5
ΔE Greyscale 3.3 | 0.57-98 Ø5.3
Gamma: 2.349
| Lenovo Yoga Chromebook C630-81JX0008UX IPS, 15.60, 3840x2160 | Google Pixelbook IPS, 12.30, 2400x1600 | Dell Inspiron 7486 Chromebook 14 2-in-1 IPS, 14.00, 1920x1080 | Acer Chromebook 14 CP5-471-53QV IPS, 14.00, 1920x1080 | Lenovo Chromebook C330-81HY0000US IPS, 11.60, 1366x768 | Acer Chromebook R13 CB5-312T-K0YK IPS, 13.30, 1920x1080 | Dell Chromebook 11 3181 2-in-1 IPS, 11.60, 1366x768 | |
|---|---|---|---|---|---|---|---|
| Response Times | -24% | 2% | 12% | 1% | 18% | -10% | |
| Response Time Grey 50% / Grey 80% * | 38.4 ? | 59.2 ? -54% | 40.8 ? -6% | 38 ? 1% | 43.2 ? -13% | 38 ? 1% | 52.8 ? -38% |
| Response Time Black / White * | 35.2 ? | 36 ? -2% | 32 ? 9% | 27 ? 23% | 30.4 ? 14% | 23 ? 35% | 28.8 ? 18% |
| PWM Frequency | 962 ? | 820 ? -15% | |||||
| Screen | -4% | 15% | 17% | -27% | -14% | -38% | |
| Brightness middle | 281.2 | 473.9 69% | 348.1 24% | 214 -24% | 198.9 -29% | 192 -32% | 213 -24% |
| Brightness | 262 | 443 69% | 321 23% | 214 -18% | 204 -22% | 204 -22% | 218 -17% |
| Brightness Distribution | 76 | 80 5% | 85 12% | 90 18% | 95 25% | 88 16% | 94 24% |
| Black Level * | 0.24 | 0.35 -46% | 0.28 -17% | 0.1 58% | 0.16 33% | 0.23 4% | 0.21 12% |
| Contrast | 1172 | 1354 16% | 1243 6% | 2140 83% | 1243 6% | 835 -29% | 1014 -13% |
| Colorchecker dE 2000 * | 3.63 | 3.9 -7% | 1.75 52% | 3.24 11% | 3.52 3% | ||
| Colorchecker dE 2000 max. * | 4.5 | 7.7 -71% | 4.74 -5% | 17.61 -291% | 18.36 -308% | ||
| Greyscale dE 2000 * | 3.3 | 5.4 -64% | 2.6 21% | 3.86 -17% | 1.6 52% | 3.99 -21% | 2.6 21% |
| Gamma | 2.349 94% | 2.13 103% | 2.206 100% | 2.42 91% | 2.311 95% | 2.45 90% | 2.283 96% |
| CCT | 6299 103% | 7643 85% | 6441 101% | 6276 104% | 6553 99% | 6380 102% | 6861 95% |
| Total Average (Program / Settings) | -14% /
-9% | 9% /
12% | 15% /
16% | -13% /
-21% | 2% /
-6% | -24% /
-32% |
* ... smaller is better
Display Response Times
| ↔ Response Time Black to White | ||
|---|---|---|
| 35.2 ms ... rise ↗ and fall ↘ combined | ↗ 19.6 ms rise |  |
| ↘ 15.6 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. » 92 % 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 | ||
| 38.4 ms ... rise ↗ and fall ↘ combined | ↗ 22 ms rise |  |
| ↘ 16.4 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. » 52 % 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 | 962 Hz |  | |
| ≤ 99 cd/m² brightness | |||
The display backlight flickers at 962 Hz (worst case, e.g., utilizing PWM) Flickering detected at a brightness setting of 99 cd/m² and below. There should be no flickering or PWM above this brightness setting. The frequency of 962 Hz is quite high, so most users sensitive to PWM should not notice any flickering. Flickering occurs at relatively low brightness settings, so extended use at this brightness setting or lower can cause eyestrain. In comparison: 53 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 17915 (minimum: 5 - maximum: 3846000) Hz was measured. | |||
* ... smaller is better
Barulho
| Ocioso |
| 28 / 28 / 28 dB |
| Carga |
| 29.2 / 32.4 dB |
 | ||
30 dB silencioso 40 dB(A) audível 50 dB(A) ruidosamente alto |
||
min:  , med:  , max:  BK Precision 732A (15 cm de distância) environment noise: 28 dB(A) | ||
(+) The maximum temperature on the upper side is 29 °C / 84 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 21.4 °C / 71 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 22.2 °C / 72 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 (+5.9 °C / 10.6 F).
Lenovo Yoga Chromebook C630-81JX0008UX audio analysis
(-) | not very loud speakers (70.8 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 18.8% lower than median
(±) | linearity of bass is average (12.8% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 1.8% away from median
(±) | linearity of mids is average (8.2% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2.4% away from median
(+) | highs are linear (6.6% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (20.3% difference to median)
Compared to same class
» 47% of all tested devices in this class were better, 8% similar, 45% worse
» The best had a delta of 6%, average was 21%, worst was 57%
Compared to all devices tested
» 47% of all tested devices were better, 8% similar, 44% worse
» The best had a delta of 4%, average was 25%, worst was 134%
Dell Inspiron 7486 Chromebook 14 2-in-1 audio analysis
(-) | not very loud speakers (69 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 17.9% lower than median
(±) | linearity of bass is average (12.4% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 4.4% away from median
(±) | linearity of mids is average (7.4% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 3.1% away from median
(±) | linearity of highs is average (10.2% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (22.1% difference to median)
Compared to same class
» 61% of all tested devices in this class were better, 7% similar, 32% worse
» The best had a delta of 6%, average was 21%, worst was 57%
Compared to all devices tested
» 59% of all tested devices were better, 7% similar, 34% worse
» The best had a delta of 4%, average was 25%, worst was 134%
Google Pixelbook audio analysis
(-) | not very loud speakers (70.7 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 17.1% lower than median
(±) | linearity of bass is average (10.2% delta to prev. frequency)
Mids 400 - 2000 Hz
(±) | higher mids - on average 5.4% higher than median
(±) | linearity of mids is average (8.4% delta to prev. frequency)
Highs 2 - 16 kHz
(±) | higher highs - on average 5.7% higher than median
(+) | highs are linear (5.8% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (24.8% difference to median)
Compared to same class
» 72% of all tested devices in this class were better, 7% similar, 21% worse
» The best had a delta of 6%, average was 21%, worst was 57%
Compared to all devices tested
» 72% of all tested devices were better, 6% similar, 22% worse
» The best had a delta of 4%, average was 25%, worst was 134%
| desligado | 0.3 / 0.47 Watt |
| Ocioso | 1.3 / 9.3 / 9.5 Watt |
| Carga |
12.9 / 43.3 Watt |
   
| |
| Lenovo Yoga Chromebook C630-81JX0008UX i5-8250U, UHD Graphics 620, 128 GB eMMC Flash, IPS, 3840x2160, 15.60 | Dell Inspiron 7486 Chromebook 14 2-in-1 i3-8130U, UHD Graphics 620, 128 GB eMMC Flash, IPS, 1920x1080, 14.00 | Lenovo Chromebook C330-81HY0000US MT8173C, PowerVR GX6250, , IPS, 1366x768, 11.60 | Dell Chromebook 11 3181 2-in-1 N3060, HD Graphics 400 (Braswell), 64 GB eMMC Flash, IPS, 1366x768, 11.60 | Acer Chromebook 14 CP5-471-53QV 6200U, HD Graphics 520, 32 GB eMMC Flash, IPS, 1920x1080, 14.00 | Acer Chromebook R13 CB5-312T-K0YK MT8173C, PowerVR GX6250, 32 GB eMMC Flash, IPS, 1920x1080, 13.30 | |
|---|---|---|---|---|---|---|
| Power Consumption | 22% | 45% | 36% | -2% | -8% | |
| Idle Minimum * | 1.3 | 1.6 -23% | 1.4 -8% | 1.8 -38% | 2.7 -108% | 3.8 -192% |
| Idle Average * | 9.3 | 6.3 32% | 4.9 47% | 4.9 47% | 6.2 33% | 6.2 33% |
| Idle Maximum * | 9.5 | 6.5 32% | 5 47% | 5 47% | 6.7 29% | 6.6 31% |
| Load Average * | 12.9 | 8.1 37% | 5.3 59% | 6.8 47% | 14 -9% | 11 15% |
| Load Maximum * | 43.3 | 28.6 34% | 7.9 82% | 9.8 77% | 24 45% | 12.7 71% |
* ... smaller is better
| Lenovo Yoga Chromebook C630-81JX0008UX i5-8250U, UHD Graphics 620, 56 Wh | Google Pixelbook i5-7Y57, HD Graphics 615, 41 Wh | Dell Inspiron 7486 Chromebook 14 2-in-1 i3-8130U, UHD Graphics 620, 56 Wh | Lenovo Chromebook C330-81HY0000US MT8173C, PowerVR GX6250, 45 Wh | Dell Chromebook 11 3181 2-in-1 N3060, HD Graphics 400 (Braswell), 42 Wh | Acer Chromebook 14 CP5-471-53QV 6200U, HD Graphics 520, 45 Wh | Acer Chromebook R13 CB5-312T-K0YK MT8173C, PowerVR GX6250, 53.9 Wh | |
|---|---|---|---|---|---|---|---|
| Battery Runtime | |||||||
| WiFi v1.3 | 383 | 835 118% | 637 66% | 698 82% | 772 102% | 540 41% | 773 102% |
Pro
Contra
O Lenovo Yoga Chromebook C630 é uma poderosa besta 4K que, no final, prova ser demais para o Chrome OS lidar. Embora o C630 seja um dos portáteis com o SO Chrome mais avançado de todos os tempos, a maior parte desse poder é excessiva e prejudica os fatores que fazem os Chromebooks se destacarem no mercado.
Em particular, a duração da bateria é baixa em comparação com os concorrentes e está muito longe do que esperamos de um Chromebook. Além disso, o dispositivo é talvez o Chromebook menos portátil que já testamos. Esse é o preço a pagar por um portátil conversível de 15,6 polegadas. Para uma família de dispositivos que se vende para usuários em em movimento, o C630 fica pesado e desconfortável para transportá-lo de casa para a sala de aula, para o trabalho, para um café.
O C630 não oferece o suficiente para se distanciar significativamente dos concorrentes. O Pixelbook não é muito mais caro e oferece a maioria dessas sutilezas em um pacote mais compacto. O Inspiron Chromebook 14 da Dell tem um formato ligeiramente menor e acompanha o desempenho do Chromebook Yoga C630 pelo mesmo preço. O Inspiron também inclui uma caneta ativa e possui uma das melhores exibições que já vimos em um Chromebook.
Existem algumas coisas boas. Por um lado, a tela 4K é nítida e bonita. Além disso, as opções generosas de RAM e armazenamento "futureproof", o dispositivo como o Chrome OS, inevitavelmente se tornarão mais exigentes no futuro. Considerando os avanços que a Google fez na integração nativa do Android e do Linux no Chrome OS, pode não demorar muito para que os 8 GB de RAM se tornem a norma para os Chromebooks.
Considerando tudo, o Lenovo Yoga Chromebook é um dispositivo competente, mas se sente sobre dimensionado para o software que está executa. Embora a tela 4K, 8 GB de RAM e CPU Core i5 sejam ótimas caixas de verificação para o marketing, eles acabam oferecendo pouco mais do que outros Chromebooks premium. O C630 subsequentemente se sente muito inchado para o Chrome OS. Existem melhores opções nesta faixa de preço.
Lenovo Yoga Chromebook C630-81JX0008UX
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02/22/2019 v6(old)
Sam Medley
Pricecompare
