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MagyarBreve Análise do Portátil LG Gram 15Z980 (i7-8550U, Full-HD)
| SD Card Reader | |
| average JPG Copy Test (av. of 3 runs) | |
| Lenovo ThinkPad X1 Carbon 2018-20KGS03900 (Toshiba Exceria Pro M501) | |
| LG Gram 15Z980-B.AA78B (Toshiba Exceria Pro M501 64BG) | |
| Average of class Subnotebook (18.4 - 142, n=13, last 2 years) | |
| maximum AS SSD Seq Read Test (1GB) | |
| Lenovo ThinkPad X1 Carbon 2018-20KGS03900 (Toshiba Exceria Pro M501) | |
| LG Gram 15Z980-B.AA78B (Toshiba Exceria Pro M501 64BG) | |
| Average of class Subnotebook (22.5 - 207, n=13, last 2 years) | |
| |||||||||||||||||||||||||
iluminação: 84 %
iluminação com acumulador: 273 cd/m²
Contraste: 1091:1 (Preto: 0.32 cd/m²)
ΔE Color 3.1 | 0.5-29.43 Ø4.92, calibrated: 1.5
ΔE Greyscale 3.3 | 0.5-98 Ø5.2
98.2% sRGB (Calman 2D)
96.05% sRGB (Argyll 1.6.3 3D)
61.46% AdobeRGB 1998 (Argyll 1.6.3 3D)
66.3% AdobeRGB 1998 (Argyll 2.2.0 3D)
96.2% sRGB (Argyll 2.2.0 3D)
65.3% Display P3 (Argyll 2.2.0 3D)
Gamma: 2.16
| LG Gram 15Z980-B.AA78B LP156WF9-SPN1, , 1920x1080, 15.6" | Acer Swift 5 SF514-52T-59HY AU Optronics AUO203D, , 1920x1080, 14" | Asus Zenbook 3 Deluxe UX490UA AU Optronics AUO383D / B140HAN03.8, , 1920x1080, 14" | Lenovo ThinkPad X1 Carbon 2018-20KGS03900 B140QAN02.0, , 2560x1440, 14" | Asus ASUSPRO B9440UA-GV0100T AU Optronics AUO353D / B140HAN03.5, , 1920x1080, 14" | |
|---|---|---|---|---|---|
| Display | 5% | -10% | 30% | -4% | |
| Display P3 Coverage | 65.3 | 69.7 7% | 58.7 -10% | 87.7 34% | 64 -2% |
| sRGB Coverage | 96.2 | 97.1 1% | 86.9 -10% | 100 4% | 89.1 -7% |
| AdobeRGB 1998 Coverage | 66.3 | 71 7% | 59.9 -10% | 99.9 51% | 65.2 -2% |
| Response Times | -3% | 6% | -59% | -36% | |
| Response Time Grey 50% / Grey 80% * | 34.3 ? | 37 ? -8% | 24 ? 30% | 59.2 ? -73% | 48.8 ? -42% |
| Response Time Black / White * | 23.7 ? | 23 ? 3% | 28 ? -18% | 34.4 ? -45% | 30.8 ? -30% |
| PWM Frequency | |||||
| Screen | -21% | -7% | 30% | -44% | |
| Brightness middle | 349 | 254 -27% | 337 -3% | 578 66% | 319 -9% |
| Brightness | 331 | 231 -30% | 295 -11% | 533 61% | 294 -11% |
| Brightness Distribution | 84 | 86 2% | 81 -4% | 84 0% | 87 4% |
| Black Level * | 0.32 | 0.25 22% | 0.21 34% | 0.38 -19% | 0.26 19% |
| Contrast | 1091 | 1016 -7% | 1605 47% | 1521 39% | 1227 12% |
| Colorchecker dE 2000 * | 3.1 | 3.85 -24% | 4.89 -58% | 1.9 39% | 7.1 -129% |
| Colorchecker dE 2000 max. * | 6.6 | 7.05 -7% | 8.43 -28% | 3.8 42% | 13.7 -108% |
| Colorchecker dE 2000 calibrated * | 1.5 | 3.66 -144% | 0.8 47% | ||
| Greyscale dE 2000 * | 3.3 | 4.1 -24% | 4.28 -30% | 3 9% | 9.61 -191% |
| Gamma | 2.16 102% | 2.43 91% | 2.25 98% | 2.14 103% | 2.33 94% |
| CCT | 6973 93% | 7369 88% | 7352 88% | 6377 102% | 6021 108% |
| Color Space (Percent of AdobeRGB 1998) | 61.46 | 63 3% | 56 -9% | 88.8 44% | 54.01 -12% |
| Color Space (Percent of sRGB) | 96.05 | 97 1% | 87 -9% | 100 4% | 83.02 -14% |
| Total Average (Program / Settings) | -6% /
-14% | -4% /
-6% | 0% /
19% | -28% /
-35% |
* ... smaller is better
Display Response Times
| ↔ Response Time Black to White | ||
|---|---|---|
| 23.7 ms ... rise ↗ and fall ↘ combined | ↗ 13.1 ms rise |  |
| ↘ 10.6 ms fall | ||
| The screen shows good response rates in our tests, but may be too slow for competitive gamers. In comparison, all tested devices range from 0.1 (minimum) to 240 (maximum) ms. » 50 % 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 | ||
| 34.3 ms ... rise ↗ and fall ↘ combined | ↗ 16.4 ms rise |  |
| ↘ 17.9 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. » 44 % of all devices are better. This means that the measured response time is similar to the average of all tested devices (32.9 ms). | ||
Screen Flickering / PWM (Pulse-Width Modulation)
| 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 8746 (minimum: 5 - maximum: 343500) Hz was measured. | |||
| PCMark 8 Home Score Accelerated v2 | 3255 pontos | |
| PCMark 8 Creative Score Accelerated v2 | 3515 pontos | |
| PCMark 8 Work Score Accelerated v2 | 3518 pontos | |
| PCMark 10 Score | 2733 pontos | |
Ajuda | ||
| LG Gram 15Z980-B.AA78B SK Hynix Canvas SC300 512GB M.2 (HFS512G39TNF) | Acer Swift 5 SF514-52T-59HY Intel SSD 600p SSDPEKKW256G7 | Asus Zenbook 3 Deluxe UX490UA Micron 1100 MTFDDAV256TBN | Lenovo ThinkPad X1 Carbon 2018-20KGS03900 Samsung SSD PM981 MZVLB512HAJQ | Asus ASUSPRO B9440UA-GV0100T Micron SSD 1100 (MTFDDAV256TBN) | Average SK Hynix Canvas SC300 512GB M.2 (HFS512G39TNF) | |
|---|---|---|---|---|---|---|
| CrystalDiskMark 3.0 | 38% | -2% | 160% | 2% | 0% | |
| Read Seq | 488.2 | 1113 128% | 435.3 -11% | 2327 377% | 462 -5% | 488 ? 0% |
| Write Seq | 446.7 | 597 34% | 413.3 -7% | 1808 305% | 441.4 -1% | 447 ? 0% |
| Read 512 | 367 | 642 75% | 325.9 -11% | 419.3 14% | 323.2 -12% | 367 ? 0% |
| Write 512 | 413.8 | 472.8 14% | 357 -14% | 1272 207% | 398.8 -4% | 414 ? 0% |
| Read 4k | 23.6 | 29.58 25% | 26.28 11% | 60.6 157% | 26.81 14% | 23.6 ? 0% |
| Write 4k | 71.1 | 89.2 25% | 85.6 20% | 132.9 87% | 87.8 23% | 71.1 ? 0% |
| Read 4k QD32 | 251.5 | 289.5 15% | 246.7 -2% | 340.7 35% | 247.3 -2% | 252 ? 0% |
| Write 4k QD32 | 224.2 | 203.3 -9% | 224.4 0% | 439.7 96% | 232.1 4% | 224 ? 0% |
| 3DMark 06 Standard Score | 11397 pontos | |
| 3DMark Cloud Gate Standard Score | 8533 pontos | |
| 3DMark Fire Strike Score | 1168 pontos | |
| 3DMark Time Spy Score | 427 pontos | |
Ajuda | ||
| Final Fantasy XV Benchmark - 1280x720 Lite Quality | |
| Average of class Subnotebook (29.9 - 111.6, n=59, last 2 years) | |
| Apple MacBook Pro 13 2018 Touchbar i5 | |
| Average Intel UHD Graphics 620 (5.61 - 14.7, n=14) | |
| LG Gram 15Z980-B.AA78B | |
| HP Spectre 13-af033ng | |
| Dell Latitude 7390 | |
| Unigine Valley 1.0 | |
| 1920x1080 Extreme HD DirectX AA:x8 | |
| Average of class Subnotebook (17.1 - 31.5, n=3, last 2 years) | |
| LG Gram 15Z980-B.AA78B | |
| Acer Spin 5 SP513-52N-566U | |
| Average Intel UHD Graphics 620 (3.9 - 5.5, n=3) | |
| Dell XPS 13 9360 QHD+ i5 | |
| Dell XPS 13 9360 QHD+ i7 | |
| 1920x1080 Extreme HD Preset OpenGL AA:x8 | |
| Average of class Subnotebook (20.8 - 26.2, n=3, last 2 years) | |
| Apple MacBook Pro 13 2018 Touchbar i5 | |
| baixo | média | alto | ultra | |
|---|---|---|---|---|
| Final Fantasy XV Benchmark (2018) | 10.2 |
Barulho
| Ocioso |
| 30.3 / 30.3 / 31.1 dB |
| Carga |
| 34.9 / 34.9 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: 29.7 dB(A) | ||
(±) The maximum temperature on the upper side is 43 °C / 109 F, compared to the average of 36.1 °C / 97 F, ranging from 21.4 to 281 °C for the class Subnotebook.
(±) The bottom heats up to a maximum of 41 °C / 106 F, compared to the average of 39.4 °C / 103 F
(+) In idle usage, the average temperature for the upper side is 26.4 °C / 80 F, compared to the device average of 30.8 °C / 87 F.
(+) The palmrests and touchpad are cooler than skin temperature with a maximum of 28 °C / 82.4 F and are therefore cool to the touch.
(±) The average temperature of the palmrest area of similar devices was 28.3 °C / 82.9 F (+0.3 °C / 0.5 F).
LG Gram 15Z980-B.AA78B audio analysis
(+) | speakers can play relatively loud (82.2 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 24.1% lower than median
(±) | linearity of bass is average (12.3% delta to prev. frequency)
Mids 400 - 2000 Hz
(±) | higher mids - on average 5.4% higher than median
(+) | mids are linear (6.5% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 1.1% away from median
(+) | highs are linear (3.7% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (19.3% difference to median)
Compared to same class
» 56% of all tested devices in this class were better, 7% similar, 37% worse
» The best had a delta of 5%, average was 19%, worst was 53%
Compared to all devices tested
» 43% of all tested devices were better, 8% similar, 50% worse
» The best had a delta of 4%, average was 25%, worst was 134%
Apple MacBook 12 (Early 2016) 1.1 GHz audio analysis
(+) | speakers can play relatively loud (83.6 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 11.3% lower than median
(±) | linearity of bass is average (14.2% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 2.4% away from median
(+) | mids are linear (5.5% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2% away from median
(+) | highs are linear (4.5% delta to prev. frequency)
Overall 100 - 16.000 Hz
(+) | overall sound is linear (10.2% difference to median)
Compared to same class
» 6% of all tested devices in this class were better, 2% similar, 92% worse
» The best had a delta of 5%, average was 19%, worst was 53%
Compared to all devices tested
» 4% of all tested devices were better, 1% similar, 95% worse
» The best had a delta of 4%, average was 25%, worst was 134%
Acer Swift 5 SF514-52T-59HY audio analysis
(-) | not very loud speakers (67.7 dB)
Bass 100 - 315 Hz
(±) | reduced bass - on average 7.7% lower than median
(+) | bass is linear (6.4% delta to prev. frequency)
Mids 400 - 2000 Hz
(±) | higher mids - on average 5.5% higher than median
(+) | mids are linear (6.8% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2.7% away from median
(+) | highs are linear (6.5% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (18.9% difference to median)
Compared to same class
» 54% of all tested devices in this class were better, 7% similar, 39% worse
» The best had a delta of 5%, average was 19%, worst was 53%
Compared to all devices tested
» 40% of all tested devices were better, 8% similar, 52% worse
» The best had a delta of 4%, average was 25%, worst was 134%
| desligado | 0.23 / 0.58 Watt |
| Ocioso | 3.7 / 8.5 / 10 Watt |
| Carga |
36 / 48.7 Watt |
   
| |
Key:
min: ,
med: ,
max: Metrahit Energy | |
| LG Gram 15Z980-B.AA78B i5-8550U, UHD Graphics 620, SK Hynix Canvas SC300 512GB M.2 (HFS512G39TNF), IPS LED, 1920x1080, 15.6" | Acer Swift 5 SF514-52T-59HY i5-8250U, UHD Graphics 620, Intel SSD 600p SSDPEKKW256G7, IPS, 1920x1080, 14" | Asus Zenbook 3 Deluxe UX490UA i5-7200U, HD Graphics 620, Micron 1100 MTFDDAV256TBN, IPS, 1920x1080, 14" | Lenovo ThinkPad X1 Carbon 2018-20KGS03900 i5-8550U, UHD Graphics 620, Samsung SSD PM981 MZVLB512HAJQ, IPS, 2560x1440, 14" | Asus ASUSPRO B9440UA-GV0100T i5-7200U, HD Graphics 620, Micron SSD 1100 (MTFDDAV256TBN), IPS, 1920x1080, 14" | Dell XPS 13 9360 QHD+ i7 i7-7500U, HD Graphics 620, Toshiba NVMe THNSN5256GPUK, IPS, 3200x1800, 13.3" | Average Intel UHD Graphics 620 | Average of class Subnotebook | |
|---|---|---|---|---|---|---|---|---|
| Power Consumption | 40% | 25% | -13% | 22% | 8% | 6% | -15% | |
| Idle Minimum * | 3.7 | 2.8 24% | 3.3 11% | 3.8 -3% | 3.1 16% | 6.4 -73% | 3.81 ? -3% | 4.49 ? -21% |
| Idle Average * | 8.5 | 4.8 44% | 6.1 28% | 8.9 -5% | 6.1 28% | 6.6 22% | 6.94 ? 18% | 7.66 ? 10% |
| Idle Maximum * | 10 | 6.3 37% | 10.1 -1% | 11.9 -19% | 6.8 32% | 6.8 32% | 8.75 ? 12% | 9.56 ? 4% |
| Load Average * | 36 | 21 42% | 24.6 32% | 47.5 -32% | 27.4 24% | 27.5 24% | 35 ? 3% | 46.6 ? -29% |
| Load Maximum * | 48.7 | 23 53% | 22 55% | 52.5 -8% | 43.7 10% | 32.4 33% | 47.5 ? 2% | 68.6 ? -41% |
* ... smaller is better
| LG Gram 15Z980-B.AA78B i5-8550U, UHD Graphics 620, 72 Wh | Acer Swift 5 SF514-52T-59HY i5-8250U, UHD Graphics 620, 36 Wh | Asus Zenbook 3 Deluxe UX490UA i5-7200U, HD Graphics 620, 46 Wh | Lenovo ThinkPad X1 Carbon 2018-20KGS03900 i5-8550U, UHD Graphics 620, 57 Wh | Asus ASUSPRO B9440UA-GV0100T i5-7200U, HD Graphics 620, 48 Wh | Apple MacBook Pro 13 2018 Touchbar i5 i5-8259U, Iris Plus Graphics 655, 58 Wh | Average of class Subnotebook | |
|---|---|---|---|---|---|---|---|
| Battery Runtime | -56% | -30% | -38% | -34% | -30% | -9% | |
| H.264 | 950 | 466 -51% | 566 -40% | 651 -31% | 896 ? -6% | ||
| WiFi v1.3 | 805 | 313 -61% | 562 -30% | 519 -36% | 531 -34% | 581 -28% | 719 ? -11% |
| Witcher 3 ultra | 94 |
Pro
Contra
O LG Gram 15Z980 é incomparável para a coroa de portáteis finos e leves de 15 polegadas. Existem compromissos que vêm com este dispositivo de 1,1 kg (~2,4 lbs). Em geral, gostamos da abordagem da LG para tornar o dispositivo mais leve, mas não tornando o dispositivo mais fino em consequência.
A carcaça de liga de magnésio parece premium, mas é suscetível a pressão e torção. A combinação do material e o baixo peso faz com que o dispositivo pareça frágil. No entanto, os testes de resistência e certificação MIL-STD-810G dos populares canais do YouTube ajudam a combater essa impressão.
No geral, o LG Gram 15Z980 é um impressionante cavalo de batalha ultra-móvel que é extremamente leve e oferece ótima duração da bateria. É uma pena que a LG não ofereça o dispositivo em mais mercados.
Além disso, o 15Z980 não consegue fazer uso pleno da sua CPU Core i7-8550U. O nosso dispositivo de teste apenas correspondia aos concorrentes com Core i5-8250U em benchmarks. Além disso, a LG equipou nosso dispositivo de teste com um SSD SATA III lento que não pode competir com unidades NVMe muito mais rápidas. Infelizmente, o dispositivo aceita apenas o padrão SATA III mais lento. Um belo toque é o segundo M.2-2280, caso precise.
Há muitos outros aspectos positivos também. A RAM de 16 GB operando no modo de canal duplo ajuda a extrair o máximo da GPU integrada. O 15Z980 oferece também uma sólida seleção de portas, incluindo três portas USB 3.0 tipo A e uma porta Thunderbolt 3.
O teclado oferece uma boa experiência de digitação geral, mas levará algum tempo para se acostumar. Existem alguns tamanhos de teclas não padrão que parecerão estranhos no início. Além disso, só poderíamos escolher um teclado QWERTY em espanhol. No entanto, a inclusão de um teclado numérico é útil, especialmente porque nem todos os dispositivos de 15 polegadas incluem um.
A tela Full HD é suficientemente brilhante com uma boa relação de contraste e precisão de cor decente. Frustrantemente, o brilho máximo é reduzido significativamente com a bateria. Poderia haver uma configuração em algum lugar para corrigir isso, mas não conseguimos encontrar durante o teste. Isto combinado com uma tela altamente refletiva, faz com que usar o 15Z980 em exteriores seja desconfortável.
Além disso, nosso dispositivo de teste permanece relativamente frio e silencioso, mesmo sob condições de uso intenso. Além disso, o 15Z980 possui uma duração de bateria excepcionalmente longa que derrota facilmente nossos dispositivos de comparação.
Curiosamente, o 15Z980 teria marcado 84% como um portátil de escritório, mas 86% como um sub-portátil. Decidimos classificar o dispositivo na última categoria por causa de sua mobilidade em comparação com outros dispositivos de 15 polegadas.
LG Gram 15Z980-B.AA78B
- 08/06/2018 v6 (old)
J. Simon Leitner, Alexander Fagot
Price comparison
