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MagyarBreve Análise do Portátil LG Gram 17Z990 (i7-8565U. WQXGA)
| SD Card Reader | |
| average JPG Copy Test (av. of 3 runs) | |
| HP ZBook 17 G5-2ZC48EA (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
| Acer Aspire 5 A517-51G-80L (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
| LG Gram 17Z990-R.AAS7U1 (Toshiba Exceria Pro M501 64 GB UHS-II) | |
| Asus VivoBook Pro 17 N705UD-EH76 (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
| maximum AS SSD Seq Read Test (1GB) | |
| HP ZBook 17 G5-2ZC48EA (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
| LG Gram 17Z990-R.AAS7U1 (Toshiba Exceria Pro M501 64 GB UHS-II) | |
| Acer Aspire 5 A517-51G-80L (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
| Asus VivoBook Pro 17 N705UD-EH76 (Toshiba Exceria Pro SDXC 64 GB UHS-II) | |
| Networking | |
| iperf3 transmit AX12 | |
| HP ZBook 17 G5-2ZC48EA | |
| LG Gram 17Z990-R.AAS7U1 | |
| Asus VivoBook Pro 17 N705UD-EH76 | |
| Lenovo IdeaPad 330-17IKB 81DM | |
| iperf3 receive AX12 | |
| LG Gram 17Z990-R.AAS7U1 | |
| HP ZBook 17 G5-2ZC48EA | |
| Asus VivoBook Pro 17 N705UD-EH76 | |
| Lenovo IdeaPad 330-17IKB 81DM | |
| |||||||||||||||||||||||||
iluminação: 89 %
iluminação com acumulador: 370.6 cd/m²
Contraste: 1324:1 (Preto: 0.28 cd/m²)
ΔE Color 3.28 | 0.5-29.43 Ø4.92, calibrated: 1.03
ΔE Greyscale 4.9 | 0.5-98 Ø5.2
96.6% sRGB (Argyll 1.6.3 3D)
60.8% AdobeRGB 1998 (Argyll 1.6.3 3D)
66.3% AdobeRGB 1998 (Argyll 2.2.0 3D)
96.3% sRGB (Argyll 2.2.0 3D)
64.2% Display P3 (Argyll 2.2.0 3D)
Gamma: 2.19
| LG Gram 17Z990-R.AAS7U1 LG Philips LP170WQ1-SPA1, IPS, 17", 2560x1600 | Lenovo IdeaPad 330-17IKB 81DM BOE0685, TN LED, 17.3", 1600x900 | HP ZBook 17 G5-2ZC48EA AUO B173HW01 V0, , 17.3", 1920x1080 | Asus VivoBook Pro 17 N705UD-EH76 LP173WF4-SPF5, IPS, 17.3", 1920x1080 | Acer Aspire 5 A517-51G-80L LG Display, LP173WF4-SPF5, aSi TFT, IPS, 17.3", 1920x1080 | Razer Blade Pro 2017 Sharp LQ173D1JW33 (SHP145A), IGZO, 17.3", 3840x2160 | |
|---|---|---|---|---|---|---|
| Display | -16% | -2% | -3% | -6% | 31% | |
| Display P3 Coverage | 64.2 | 56.9 -11% | 66.3 3% | 67.9 6% | 66.3 3% | 88.9 38% |
| sRGB Coverage | 96.3 | 76.3 -21% | 89.9 -7% | 86.8 -10% | 84.2 -13% | 100 4% |
| AdobeRGB 1998 Coverage | 66.3 | 55.9 -16% | 63.5 -4% | 61.6 -7% | 99.7 50% | |
| Response Times | 32% | 4% | 27% | 2% | -34% | |
| Response Time Grey 50% / Grey 80% * | 42 ? | 38.8 ? 8% | 42.4 ? -1% | 30.8 ? 27% | 41 ? 2% | 60.8 ? -45% |
| Response Time Black / White * | 31.2 ? | 13.6 ? 56% | 28.4 ? 9% | 23.2 ? 26% | 31 ? 1% | 38.4 ? -23% |
| PWM Frequency | 119000 ? | 122000 ? | 204.9 ? | |||
| Screen | -104% | -25% | -42% | -4% | -16% | |
| Brightness middle | 370.6 | 210.5 -43% | 335 -10% | 376.2 2% | 397 7% | 230 -38% |
| Brightness | 356 | 204 -43% | 326 -8% | 355 0% | 364 2% | 207 -42% |
| Brightness Distribution | 89 | 94 6% | 92 3% | 89 0% | 84 -6% | 83 -7% |
| Black Level * | 0.28 | 0.63 -125% | 0.22 21% | 0.42 -50% | 0.29 -4% | 0.2 29% |
| Contrast | 1324 | 334 -75% | 1523 15% | 896 -32% | 1369 3% | 1150 -13% |
| Colorchecker dE 2000 * | 3.28 | 9.48 -189% | 4.7 -43% | 4.21 -28% | 3.88 -18% | 5.62 -71% |
| Colorchecker dE 2000 max. * | 5.85 | 17.19 -194% | 8.7 -49% | 8.31 -42% | 8.22 -41% | 10.24 -75% |
| Colorchecker dE 2000 calibrated * | 1.03 | 4.04 -292% | 2.7 -162% | 3.95 -283% | ||
| Greyscale dE 2000 * | 4.9 | 12 -145% | 6.5 -33% | 5.5 -12% | 3.1 37% | 4.54 7% |
| Gamma | 2.19 100% | 2.12 104% | 2.23 99% | 2.335 94% | 2.59 85% | 2.36 93% |
| CCT | 6376 102% | 13874 47% | 6108 106% | 7056 92% | 6570 99% | 6625 98% |
| Color Space (Percent of AdobeRGB 1998) | 60.8 | 49.4 -19% | 58.7 -3% | 57 -6% | 55 -10% | 88 45% |
| Color Space (Percent of sRGB) | 96.6 | 75.8 -22% | 89.7 -7% | 87 -10% | 84 -13% | 100 4% |
| Total Average (Program / Settings) | -29% /
-70% | -8% /
-18% | -6% /
-26% | -3% /
-4% | -6% /
-9% |
* ... smaller is better
Display Response Times
| ↔ Response Time Black to White | ||
|---|---|---|
| 31.2 ms ... rise ↗ and fall ↘ combined | ↗ 18 ms rise |  |
| ↘ 13.2 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. » 83 % 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 | ||
| 42 ms ... rise ↗ and fall ↘ combined | ↗ 20.4 ms rise |  |
| ↘ 21.6 ms fall | ||
| The screen shows slow response rates in our tests and will be unsatisfactory for gamers. In comparison, all tested devices range from 0.165 (minimum) to 636 (maximum) ms. » 64 % of all devices are better. This means that the measured response time is worse than 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 8747 (minimum: 5 - maximum: 343500) Hz was measured. | |||
| Cinebench R15 | |
| CPU Single 64Bit | |
| Average Intel Core i7-8565U (138.3 - 193, n=51) | |
| MSI GF63 8RC-040XPL | |
| Lenovo IdeaPad 330-17IKB 81DM | |
| LG Gram 17Z990-R.AAS7U1 | |
| Asus Zenbook 14 UX433FN-A6023T | |
| Dell Latitude 14 5495 | |
| Lenovo ThinkPad 13 20J1005TPB | |
| LG Gram 15Z975 | |
| Microsoft Surface Laptop 2-LQN-00004 | |
| HP 17-ca0013ng | |
| Asus VivoBook E200HA-FD0041TS | |
| CPU Multi 64Bit | |
| MSI GF63 8RC-040XPL | |
| Dell Latitude 14 5495 | |
| Average Intel Core i7-8565U (452 - 815, n=52) | |
| HP 17-ca0013ng | |
| Microsoft Surface Laptop 2-LQN-00004 | |
| Asus Zenbook 14 UX433FN-A6023T | |
| Lenovo IdeaPad 330-17IKB 81DM | |
| LG Gram 15Z975 | |
| LG Gram 17Z990-R.AAS7U1 | |
| Lenovo ThinkPad 13 20J1005TPB | |
| Asus VivoBook E200HA-FD0041TS | |
| PCMark 8 Home Score Accelerated v2 | 3363 pontos | |
| PCMark 8 Work Score Accelerated v2 | 4642 pontos | |
| PCMark 10 Score | 4000 pontos | |
Ajuda | ||
| LG Gram 17Z990-R.AAS7U1 Samsung SSD PM871b MZNLN256HAJQ | Asus VivoBook Pro 17 N705UD-EH76 Samsung PM961 NVMe MZVLW512HMJP | Acer Aspire 5 A517-51G-80L Micron 1100 MTFDDAV256TBN | Razer Blade Pro 2017 2x Samsung SSD PM951 MZVLV256HCHP (RAID 0) | LG Gram 15Z975 SK Hynix HFS256G39TND-N210A | |
|---|---|---|---|---|---|
| AS SSD | 140% | -24% | 121% | -48% | |
| Seq Read | 454.5 | 2339 415% | 494.2 9% | 2599 472% | 488.1 7% |
| Seq Write | 461 | 1409 206% | 404.2 -12% | 588 28% | 248.5 -46% |
| 4K Read | 30.18 | 49.78 65% | 25.78 -15% | 37.57 24% | 26.24 -13% |
| 4K Write | 71 | 122.1 72% | 71.4 1% | 104.4 47% | 67.6 -5% |
| 4K-64 Read | 369.6 | 1329 260% | 234.6 -37% | 1116 202% | 366.5 -1% |
| 4K-64 Write | 305.5 | 828 171% | 259.1 -15% | 513 68% | 246.7 -19% |
| Access Time Read * | 0.084 | 0.056 33% | 0.081 4% | 0.051 39% | 0.08 5% |
| Access Time Write * | 0.05 | 0.03 40% | 0.057 -14% | 0.036 28% | 0.232 -364% |
| Score Read | 445 | 1612 262% | 310 -30% | 1414 218% | 442 -1% |
| Score Write | 423 | 1091 158% | 371 -12% | 676 60% | 339 -20% |
| Score Total | 1106 | 3488 215% | 844 -24% | 2715 145% | 1003 -9% |
| Copy ISO MB/s | 816 | 1733 112% | 300.4 -63% | 197.5 -76% | |
| Copy Program MB/s | 614 | 305.8 -50% | 157.4 -74% | 141.2 -77% | |
| Copy Game MB/s | 414.9 | 405.5 -2% | 221.7 -47% | 179.8 -57% |
* ... smaller is better
| 3DMark 11 | |
| 1280x720 Performance GPU | |
| Asus VivoBook Pro 17 N705UD-EH76 | |
| Lenovo IdeaPad 330-17IKB 81DM | |
| HP 17-ca0013ng | |
| Dell Latitude 14 5495 | |
| Microsoft Surface Laptop 2-LQN-00004 | |
| LG Gram 17Z990-R.AAS7U1 | |
| Average Intel UHD Graphics 620 (1144 - 3432, n=244) | |
| Samsung Notebook 9 NP930QAA | |
| LG Gram 15Z975 | |
| Lenovo ThinkPad 13 20J1005TPB | |
| Asus VivoBook E200HA-FD0041TS | |
| 1280x720 Performance Combined | |
| Asus VivoBook Pro 17 N705UD-EH76 | |
| Lenovo IdeaPad 330-17IKB 81DM | |
| HP 17-ca0013ng | |
| Dell Latitude 14 5495 | |
| LG Gram 17Z990-R.AAS7U1 | |
| Microsoft Surface Laptop 2-LQN-00004 | |
| Average Intel UHD Graphics 620 (927 - 2505, n=244) | |
| Samsung Notebook 9 NP930QAA | |
| LG Gram 15Z975 | |
| Lenovo ThinkPad 13 20J1005TPB | |
| Asus VivoBook E200HA-FD0041TS | |
| 3DMark - 1280x720 Cloud Gate Standard Graphics | |
| Asus VivoBook Pro 17 N705UD-EH76 | |
| Lenovo IdeaPad 330-17IKB 81DM | |
| Dell Latitude 14 5495 | |
| Microsoft Surface Laptop 2-LQN-00004 | |
| LG Gram 17Z990-R.AAS7U1 | |
| Samsung Notebook 9 NP930QAA | |
| Average Intel UHD Graphics 620 (6205 - 16400, n=225) | |
| LG Gram 15Z975 | |
| Lenovo ThinkPad 13 20J1005TPB | |
| 3DMark 11 Performance | 2037 pontos | |
| 3DMark Cloud Gate Standard Score | 8468 pontos | |
Ajuda | ||
| LG Gram 17Z990-R.AAS7U1 UHD Graphics 620, i7-8565U, Samsung SSD PM871b MZNLN256HAJQ | Lenovo IdeaPad 330-17IKB 81DM GeForce MX150, i5-8550U, WDC Blue WD10SPZX-24Z10T0 | Asus VivoBook Pro 17 N705UD-EH76 GeForce GTX 1050 Mobile, i5-8550U, Samsung PM961 NVMe MZVLW512HMJP | Acer Aspire 5 A517-51G-80L GeForce MX150, i5-8550U, Micron 1100 MTFDDAV256TBN | Razer Blade Pro 2017 GeForce GTX 1080 Mobile, i7-7820HK, 2x Samsung SSD PM951 MZVLV256HCHP (RAID 0) | HP 17-ca0013ng Vega 8, R5 2500U, Toshiba KBG30ZMV256G | |
|---|---|---|---|---|---|---|
| Noise | -5% | -5% | -3% | -20% | -9% | |
| off / environment * | 28.1 | 28.6 -2% | 28.3 -1% | 29.4 -5% | 30 -7% | 30.6 -9% |
| Idle Minimum * | 28.1 | 29 -3% | 28.3 -1% | 30.1 -7% | 30 -7% | 32.8 -17% |
| Idle Average * | 28.1 | 29 -3% | 29 -3% | 30.1 -7% | 31 -10% | 32.8 -17% |
| Idle Maximum * | 28.1 | 31.8 -13% | 29 -3% | 29.7 -6% | 33 -17% | 32.8 -17% |
| Load Average * | 35 | 34.8 1% | 36.7 -5% | 34.4 2% | 43 -23% | 34.2 2% |
| Load Maximum * | 37.4 | 40.8 -9% | 42.8 -14% | 34.4 8% | 58 -55% | 36.4 3% |
| Witcher 3 ultra * | 39.9 | 44.7 | 55 |
* ... smaller is better
Barulho
| Ocioso |
| 28.1 / 28.1 / 28.1 dB |
| Carga |
| 35 / 37.4 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: 28.1 dB(A) | ||
(+) The maximum temperature on the upper side is 38.8 °C / 102 F, compared to the average of 36.9 °C / 98 F, ranging from 21.1 to 71 °C for the class Multimedia.
(+) The bottom heats up to a maximum of 36.2 °C / 97 F, compared to the average of 39.2 °C / 103 F
(+) In idle usage, the average temperature for the upper side is 21.2 °C / 70 F, compared to the device average of 31.3 °C / 88 F.
(+) The palmrests and touchpad are cooler than skin temperature with a maximum of 23.4 °C / 74.1 F and are therefore cool to the touch.
(+) The average temperature of the palmrest area of similar devices was 28.8 °C / 83.8 F (+5.4 °C / 9.7 F).
LG Gram 17Z990-R.AAS7U1 audio analysis
(±) | speaker loudness is average but good (72.1 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 21.3% lower than median
(±) | linearity of bass is average (10% delta to prev. frequency)
Mids 400 - 2000 Hz
(±) | higher mids - on average 5.2% higher than median
(±) | linearity of mids is average (7.7% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2.7% away from median
(±) | linearity of highs is average (10.9% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (25.4% difference to median)
Compared to same class
» 89% of all tested devices in this class were better, 2% similar, 8% worse
» The best had a delta of 5%, average was 18%, worst was 45%
Compared to all devices tested
» 75% of all tested devices were better, 5% similar, 20% 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%
| desligado | 0.11 / 0.7 Watt |
| Ocioso | 2.7 / 8.1 / 10.2 Watt |
| Carga |
32.7 / 34.8 Watt |
   
| |
Key:
min: ,
med: ,
max: Metrahit Energy | |
| LG Gram 17Z990-R.AAS7U1 i7-8565U, UHD Graphics 620, Samsung SSD PM871b MZNLN256HAJQ, IPS, 2560x1600, 17" | Lenovo IdeaPad 330-17IKB 81DM i5-8550U, GeForce MX150, WDC Blue WD10SPZX-24Z10T0, TN LED, 1600x900, 17.3" | Acer Aspire 5 A517-51G-80L i5-8550U, GeForce MX150, Micron 1100 MTFDDAV256TBN, aSi TFT, IPS, 1920x1080, 17.3" | Razer Blade Pro 2017 i7-7820HK, GeForce GTX 1080 Mobile, 2x Samsung SSD PM951 MZVLV256HCHP (RAID 0), IGZO, 3840x2160, 17.3" | HP 17-ca0013ng R5 2500U, Vega 8, Toshiba KBG30ZMV256G, IPS, 1920x1080, 17.3" | Samsung Notebook 9 NP930QAA i5-8550U, UHD Graphics 620, Samsung PM961 MZVLW256HEHP, IPS, 1920x1080, 13.3" | |
|---|---|---|---|---|---|---|
| Power Consumption | -56% | -50% | -518% | -75% | -38% | |
| Idle Minimum * | 2.7 | 4.7 -74% | 4.1 -52% | 31 -1048% | 7.6 -181% | 4.4 -63% |
| Idle Average * | 8.1 | 9.2 -14% | 9.3 -15% | 36 -344% | 12.9 -59% | 11.8 -46% |
| Idle Maximum * | 10.2 | 10.6 -4% | 9.8 4% | 44 -331% | 13.7 -34% | 15.5 -52% |
| Load Average * | 32.7 | 56.3 -72% | 64 -96% | 107 -227% | 44 -35% | 38 -16% |
| Load Maximum * | 34.8 | 75.3 -116% | 66.4 -91% | 258 -641% | 57.1 -64% | 39.8 -14% |
| Witcher 3 ultra * | 55 | 212 |
* ... smaller is better
| LG Gram 17Z990-R.AAS7U1 i7-8565U, UHD Graphics 620, 72 Wh | Lenovo IdeaPad 330-17IKB 81DM i5-8550U, GeForce MX150, 34 Wh | Asus VivoBook Pro 17 N705UD-EH76 i5-8550U, GeForce GTX 1050 Mobile, 42 Wh | Acer Aspire 5 A517-51G-80L i5-8550U, GeForce MX150, 48 Wh | Razer Blade Pro 2017 i7-7820HK, GeForce GTX 1080 Mobile, 99 Wh | HP 17-ca0013ng R5 2500U, Vega 8, 40.6 Wh | |
|---|---|---|---|---|---|---|
| Battery Runtime | -54% | -58% | -47% | -63% | -68% | |
| Reader / Idle | 2085 | 507 -76% | 560 -73% | 253 -88% | ||
| WiFi v1.3 | 713 | 231 -68% | 265 -63% | 377 -47% | 197 -72% | 225 -68% |
| Load | 113 | 92 -19% | 53 -53% | 89 -21% | 81 -28% |
Pro
Contra
O LG Gram 17 é melhor para os usuários que desejam uma tela grande de 17 polegadas, mas que se desanimam pelas suas dimensões normalmente incômodas. É extraordinariamente leve e resistente para torná-lo um dos melhores portáteis em sua categoria de tamanho para os viajantes. Se você acha que a maioria dos Ultrabooks não oferece espaço suficiente na tela, então o Gram 17 deve estar na sua lista.
O preço a pagar por um portátil tão leve de 17 polegadas será alto. Apesar de sua composição em liga de metal e especificações MIL-STD 810G, o Gram 17 está longe de ser tão rígido quanto o XPS 15, o Spectre x360 15, ou mesmo a maioria dos outros Ultrabooks. Os proprietários terão que ter cuidado para não danificar a tampa frágil durante as viagens.
Outras desvantagens notáveis incluem as teclas e o clickpad suaves, a capacidade de manutenção não amigável para o usuário, a qualidade média de áudio e o desempenho do Core i7 abaixo da média. A LG poderia ter reduzido o preço de entrada, incluindo uma opção Core i5 e um SSD menor, sem afetar o desempenho geral do sistema. Por $ 1.500 USD, os usuários podem comprar um sistema mais robusto e significativamente mais rápido Dell XPS 15 para fazer que o Gram 17 pareça atraente. Se a grande tela 17 polegadas não lhe agradar, então poderia estar melhor com um Ultrabook tradicional e 13 ou 15 polegadas.
Muito mais leve do que outros Ultrabooks menores no mercado, oferecendo uma tela WQXGA de 17 polegadas. A LG criou um nicho confortável no relativamente impopular espaço de portáteis de 17 polegadas. O Gram 17 é uma solução multimídia e de escritório leve, ideal para viajantes que desejam explorar a espaçosa tela de 17 polegadas.
LG Gram 17Z990-R.AAS7U1
- 04/19/2019 v6 (old)
Allen Ngo
Price comparison
