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MagyarLG Gram 15Z90P评论：1.1公斤（约2.4磅）的15英寸笔记本电脑
LG的Gram系列由世界上最轻的笔记本电脑组成，每一种屏幕尺寸都有。LG提供以下尺寸的Gram笔记本电脑。14英寸，15英寸，16英寸和17英寸。在这里，我们有一个15英寸的模型。我们已经审查了其他型号。
- LG Gram 16 16Z90P(2021)
- LG Gram 17 17Z90P(2021)
- LG Gram 14 14Z90N(2020)
前身。
- LG Gram 15 15Z90N(2020)
LG集中所有精力制造世界上最轻的15英寸笔记本电脑，并在此方面取得了成功。 三星的Galaxy Book Ion Aura Silver是最接近的竞争者，重量仅为1.3公斤（约2.87磅）。这款 微星Summit B15 A11M和 Honor MagicBook 15是普通的15英寸笔记本电脑，重量约为1.5公斤（约3.31磅）。
为了减少400克（约0.88磅），LG牺牲了什么？硬度、电池寿命？2021年的Gram 15在内部和外部都进行了重新设计。与2020年基于Ice Lake 的Gram 15相比，其设计、端口的选择和内部布局都发生了变化。
Likely Competitors
Rating | Date | Model | Weight | Height | Size | Resolution | Best Price |
|---|---|---|---|---|---|---|---|
| 84.9 % | 01/2022 | LG Gram 15Z90P-G.AA89G i7-1165G7, Iris Xe G7 96EUs | 1.1 kg | 17.4 mm | 15.60" | 1920x1080 | |
| 86.3 % | 09/2021 | LG Gram 16 (2021) i7-1165G7, Iris Xe G7 96EUs | 1.2 kg | 16.8 mm | 16.00" | 2560x1600 | |
| 81.7 % | Samsung Galaxy Book Ion Aura Silver i7-10510U, GeForce MX250 | 1.3 kg | 15 mm | 15.60" | 1920x1080 | ||
| 83.6 % | 08/2021 | Honor MagicBook 15 i5 1135G7 i5-1135G7, Iris Xe G7 80EUs | 1.5 kg | 17 mm | 15.60" | 1920x1080 | |
| 81.2 % | MSI Summit B15 A11M i7-1165G7, Iris Xe G7 96EUs | 1.5 kg | 16.9 mm | 15.60" | 1920x1080 | ||
| 82 % | Samsung Galaxy Book NP750XDA i5-1135G7, Iris Xe G7 80EUs | 1.6 kg | 16 mm | 15.60" | 1920x1080 |
案例："僵硬 "并不能说明LG笔记本电脑的情况
2021年的克15（1.107公斤/~2.440磅）比2020年的克15（1.093公斤/~2.410磅）重了几克。这并不是由于材料的改变，因为两款笔记本电脑的外壳仍然是由镁制成的。这里只有点缀着钥匙孔的顶盖提供了刚性，因为底盖极薄且可弯曲。铰链和所有部件都连接在顶盖上。
如上所述，底盖非常薄且易碎，但它（在螺丝的帮助下）牢牢地连接在顶盖上。总而言之，当你把它拿在手里时，这台笔记本电脑给人的印象是好坏参半。一方面，对于这样一个轻型设备来说，它感觉相当硬。另一方面，铝制外壳的笔记本电脑感觉更结实、更高档，但重量更大。这并不令人惊讶，毕竟，用镁制造一个感觉僵硬的轻巧设备几乎是不可能的。
有趣的是，LG不得不采用一种框架来固定电池，并确保它不会扭动得太厉害。
显示屏的盖子也真的很灵活。然而，这似乎不会对内置的IPS面板造成任何问题，因为它是直接与显示屏盖子耦合的。在过去，制造商试图避免这样做，因为这曾经导致视觉伪影，有时还会导致损坏。然而，现在除了打开盖子时，没有任何视觉伪影。
LG使设计更有棱角，这在看底盖时也很明显。现在还多了几颗螺丝。
在重量方面，Gram 15远远领先于竞争对手。比如说三星Galaxy Book Ion比它重200克（约0.44磅），但它也是由镁制成的，感觉很松散。更重的15英寸笔记本电脑，如 峰会B15，感觉很硬，但其外壳是由铝制成的。
连接性
过去只有一个Thunderbolt（3）端口，现在有两个Thunderbolt（4）端口。其中一个端口支持Power Delivery功能。这一次，没有专门的充电端口。这两个USB-A端口非常快（3.2 Gen2）。
SD卡阅读器
microSD读卡器位于右侧，以USB 3.0速度运行。插入的SD卡只从插槽中稍微伸出来。在我们使用参考级SD卡（AV PRO microSD 128 GB V60）的测试中，Gram 15取得了良好的结果，不过这只足以让它在我们的比较表中占据一个位置。Gram 16取得了同样的结果，可能是因为两台设备都有相同的读卡器。微星微星Summit B15 A11M显示了当今读卡器的能力。
| SD Card Reader | |
| average JPG Copy Test (av. of 3 runs) | |
| MSI Summit B15 A11M (AV PRO microSD 128 GB V60) | |
| Samsung Galaxy Book Ion Aura Silver (Toshiba Exceria Pro M501 microSDXC 64GB) | |
| LG Gram 16 (2021) (Toshiba Exceria Pro M501 microSDXC 64GB) | |
| LG Gram 15Z90P-G.AA89G (AV Pro SD microSD 128 GB V60) | |
| Average of class Subnotebook (18.9 - 193.9, n=17, last 2 years) | |
| Samsung Galaxy Book NP750XDA (AV PRO microSD 128 GB V60) | |
| maximum AS SSD Seq Read Test (1GB) | |
| MSI Summit B15 A11M (AV PRO microSD 128 GB V60) | |
| LG Gram 16 (2021) (Toshiba Exceria Pro M501 microSDXC 64GB) | |
| LG Gram 15Z90P-G.AA89G (AV Pro SD microSD 128 GB V60) | |
| Samsung Galaxy Book Ion Aura Silver (Toshiba Exceria Pro M501 microSDXC 64GB) | |
| Average of class Subnotebook (23.6 - 239, n=17, last 2 years) | |
| Samsung Galaxy Book NP750XDA (AV PRO microSD 128 GB V60) | |
沟通
Gram 15在我们的Wi-Fi对比图中占据了第一位。总而言之，它的表现比使用英特尔AX201的普通设备好。在这里， LG Gram 16的速度要慢46%到140%，鉴于这两款设备都有相同的Wi-Fi模块，这非常令人惊讶。该 三星Galaxy Book Ion Aura在某些方面与格拉姆15处于同一水平。
| Networking | |
| iperf3 transmit AX12 | |
| Samsung Galaxy Book Ion Aura Silver | |
| Samsung Galaxy Book NP750XDA | |
| LG Gram 15Z90P-G.AA89G | |
| Honor MagicBook 15 i5 1135G7 | |
| Average Intel Wi-Fi 6 AX201 (49.8 - 1775, n=324) | |
| MSI Summit B15 A11M | |
| LG Gram 16 (2021) | |
| iperf3 receive AX12 | |
| Samsung Galaxy Book NP750XDA | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book Ion Aura Silver | |
| Honor MagicBook 15 i5 1135G7 | |
| MSI Summit B15 A11M | |
| Average Intel Wi-Fi 6 AX201 (136 - 1743, n=324) | |
| LG Gram 16 (2021) | |
网络摄像机
网络摄像头有一个0.9百万像素（1280x720）的传感器，能产生冲淡和模糊的图像。在弱光环境下，也有一大堆噪音。图像质量处于非常低的水平，这也是当今笔记本电脑摄像头的特点。Gram 15的网络摄像头的色彩表现特别差。在这里，更便宜的Honor MagicBook要好得多。
安全问题
Gram 15有一个Kensignton锁和一个指纹传感器，它被整合到电源按钮中。
辅料
除了常见的保修和安全手册外，Gram 15的包装盒里还有一个65瓦的电源适配器。这次没有以太网适配器。
维护
Gram 15不再有任何内存插槽，这意味着内存是不可扩展/可更换的。Wi-Fi模块也是焊接而成的。在2020年，情况也是如此。但仍然有两个M.2（88毫米）插槽，其中一个是空的，这意味着用户仍然可以轻松地安装另一个固态硬盘。电池可以更换，因为它只是用螺丝固定。
拆卸很简单：只需取下塑料脚，解开螺丝，用吉他挑子或spudger取下底盖。底板可以被卸下，而不会在设备上留下任何划痕或擦痕。
担保
LG Gram 15有24个月的保修期（包括在德国和其他国家）。
输入设备。带数字键盘的Gram 15
Gram 15应该是一个工作设备，这就是为什么它有一个带数字键盘的键盘。布局没有改变，但功能键的颜色从橙色变成了白色。这就是为什么功能键不再那么显眼了。
键盘
按键感觉稳定，并提供良好的触觉反馈。启动点很清晰，而且按键的移动距离也很合适。打字时，键盘面板表现出一些弯曲。
键的间距很好，比通常的笔记本电脑键大一毫米左右。然而，数字键盘的按键很小。此外，数字键盘没有 "加"、"减 "和 "回车 "等键。
触摸板
触摸板的尺寸为11.1x6.9厘米（4.37x2.72英寸）。触摸板运行良好。它对输入的反应迅速而可靠。底部有两个物理按钮，有一个非常清晰的启动点，并提供非常好的触觉反馈。
显示屏。LG面板具有高反射率的表面
Gram 15采用全高清15.6英寸面板，像素密度为144PPI。这块IPS面板是由LG Display制造的。我们测量的峰值亮度为310cd/m²，这是一个相当不错的结果。三星Galaxy Book Ion的显示屏达到了467 cd/m²的亮度。在电池供电时，亮度下降到299 cd/m²。
由于黑值不高（0.46 cd/m²），对比度也相当差（746:1）。前代机型（1307:1）和Gram 16（1505:1）的屏幕对比度明显更好。Gram 15的屏幕不存在屏幕出血和PWM闪烁的问题。
| |||||||||||||||||||||||||
Brightness Distribution: 86 %
Center on Battery: 299 cd/m²
Contrast: 746:1 (Black: 0.46 cd/m²)
ΔE Color 3.5 | 0.5-29.43 Ø5, calibrated: 1.17
ΔE Greyscale 4.35 | 0.57-98 Ø5.3
64% AdobeRGB 1998 (Argyll 2.2.0 3D)
92% sRGB (Argyll 2.2.0 3D)
62% Display P3 (Argyll 2.2.0 3D)
Gamma: 2.55
| LG Gram 15Z90P-G.AA89G LG Display LP156WFC-SPY1, IPS 99% sRGB, 1920x1080, 15.60 | LG Gram 16 (2021) LG Philips LP160WQ1-SPA1, IPS, 2560x1600, 16.00 | Samsung Galaxy Book Ion Aura Silver BOE0889, QLED, 1920x1080, 15.60 | Honor MagicBook 15 i5 1135G7 BOE TV156FHM-NH2, IPS, 1920x1080, 15.60 | MSI Summit B15 A11M Chi Mei N156HCE-EN1, IPS, 1920x1080, 15.60 | Samsung Galaxy Book NP750XDA CEC PANDA LM156LF5L03, IPS, 1920x1080, 15.60 | |
|---|---|---|---|---|---|---|
| Display | 31% | 35% | 5% | 2% | ||
| Display P3 Coverage | 62 | 95.8 55% | 99.1 60% | 65.4 5% | 65.7 6% | |
| sRGB Coverage | 92 | 99.8 8% | 99.9 9% | 96.3 5% | 90.6 -2% | |
| AdobeRGB 1998 Coverage | 64 | 83.8 31% | 87.3 36% | 67.5 5% | 66 3% | |
| Response Times | -17% | -49% | -19% | -46% | -2% | |
| Response Time Grey 50% / Grey 80% * | 36 ? | 44 ? -22% | 49 ? -36% | 36 ? -0% | 40.4 ? -12% | 29 ? 19% |
| Response Time Black / White * | 18 ? | 20 ? -11% | 29 ? -61% | 24.8 ? -38% | 32.4 ? -80% | 22 ? -22% |
| PWM Frequency | 25510 ? | |||||
| Screen | -19% | 39% | 9% | -46% | -7% | |
| Brightness middle | 343 | 331 -3% | 467 36% | 332 -3% | 341.3 0% | 325 -5% |
| Brightness | 311 | 309 -1% | 437 41% | 318 2% | 310 0% | 297 -5% |
| Brightness Distribution | 86 | 88 2% | 91 6% | 87 1% | 81 -6% | 86 0% |
| Black Level * | 0.46 | 0.22 52% | 0.27 41% | 0.27 41% | 0.45 2% | 0.445 3% |
| Contrast | 746 | 1505 102% | 1730 132% | 1230 65% | 758 2% | 730 -2% |
| Colorchecker dE 2000 * | 3.5 | 4.64 -33% | 3.39 3% | 3.3 6% | 6.17 -76% | 3.48 1% |
| Colorchecker dE 2000 max. * | 6.25 | 9.82 -57% | 6.27 -0% | 7.8 -25% | 11.75 -88% | 8.07 -29% |
| Colorchecker dE 2000 calibrated * | 1.17 | 3.16 -170% | 1 15% | 3.3 -182% | ||
| Greyscale dE 2000 * | 4.35 | 6.9 -59% | 2.17 50% | 5.2 -20% | 7.1 -63% | 5.27 -21% |
| Gamma | 2.55 86% | 2.34 94% | 2.45 90% | 2.07 106% | 2.2 100% | 2.41 91% |
| CCT | 6016 108% | 7904 82% | 6488 100% | 7370 88% | 6842 95% | 7769 84% |
| Color Space (Percent of AdobeRGB 1998) | 75.1 | 78 | 58.7 | 44 | ||
| Color Space (Percent of sRGB) | 100 | 100 | 90.1 | 70 | ||
| Total Average (Program / Settings) | -2% /
-8% | 8% /
24% | -2% /
4% | -30% /
-35% | -5% /
-6% |
* ... smaller is better
LG宣称，该显示屏可以覆盖99%的sRGB。然而，我们的测量结果显示，IPS面板只能覆盖92%的sRGB。P3（62%）和AdobeRGB（64%）的覆盖率也不完整。Gram 16在这个领域做得更好。这很可能是LG没有将Gram 15的种子提供给评审员的原因之一。
我们使用Calman软件和分光光度计来确定显示器的色彩准确性。刚开箱时，灰度表现不是特别好（这里的DeltaE高于4）。此外，对于训练有素的眼睛来说，颜色看起来并不十分正确。然而，在校准的帮助下，色彩再现可以得到改善。你可以通过包含所有显示器测量值的盒子底部的链接下载我们为LG Display LP156WFC-SPY1设计的色彩配置文件。
我们的校准显著改善了色彩再现。校准后，DeltaE从3.5下降到1.2。
Display Response Times
| ↔ Response Time Black to White | ||
|---|---|---|
| 18 ms ... rise ↗ and fall ↘ combined | ↗ 8 ms rise |  |
| ↘ 10 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. » 34 % of all devices are better. This means that the measured response time is better than the average of all tested devices (21.5 ms). | ||
| ↔ Response Time 50% Grey to 80% Grey | ||
| 36 ms ... rise ↗ and fall ↘ combined | ↗ 18 ms rise |  |
| ↘ 18 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. » 44 % of all devices are better. This means that the measured response time is similar to the average of all tested devices (33.7 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 17900 (minimum: 5 - maximum: 3846000) Hz was measured. | |||
光滑的面板不适合在户外使用，特别是考虑到电池供电时的亮度约为300cd/m²。这限制了Gram 15在旅途中的可用性。
IPS面板的可视角度非常好。亮度只在极端角度下下降。锐角下的色彩准确性也较差。
性能。在短期工作负荷中表现良好
2021年的Gram 15有两种配置：一种是采用 酷睿i7-1165G7(4 x 2.8 - 4.7 GHz)，另一个配置为 酷睿i5-1135G7(所谓的商务版)。两种型号都有16GB的内存。然而，酷睿i5变体有一个512GB的固态硬盘，而酷睿i7型号则有一个1TB的固态硬盘。这些都是相当高端的配置，这反映在1150欧元（约1280美元）至1600欧元（约1780美元）的价格上。
系统设置
在进行任何基准测试之前，我们下载并安装了最新的BIOS和Windows更新。我们在GPU和CPU基准测试中使用了 "最佳性能 "的电源模式。对于我们的电池测试（Wi-Fi/空闲），我们使用了 "最佳电源效率 "电源模式，该模式现在在Windows 11中可用。新的省电模式禁用了通知并限制了后台任务，这意味着One Drive等应用程序在这种模式下不会不断刷新。
处理器
芯片 酷睿i7-1165G7(Tiger Lake, UP3) 是最快的28W CPU之一。它的TDP可以从12到28W不等。LG将功率级别一（PL1）设置为25W，这就是我们在测试中看到的情况。然而，该CPU只能在短时间内保持这一功率水平。总而言之，这些功率水平使应用程序能够快速启动，系统在日常使用中感觉非常灵敏。
不过，Gram 15的GPU并不适合持续负载。在我们的Cinebench 15循环中，功耗在片刻间达到40瓦的峰值，然后降至约20瓦。在全负荷下，功耗在10至20瓦之间波动，罕见的峰值为25瓦。
总而言之，LG Gram 15中的Core i7-1165G7的性能比一般的Core i7-1165G7差28%。这似乎是LG笔记本电脑的普遍特点。Gram 16的CPU性能也不尽如人意，但性能水平并没有偏离常规那么多。
将Gram 15与竞争对手进行比较时，我们看到 三星Galaxy Book Ion Aura Silver与较老的 酷睿i7-10510U在负载下表现得更好。微星Summit B15，拥有更强大的冷却解决方案和更高的PL1和PL2，显示了Core i7-1165G7的能力。例如，微星Summit B15在负载下比Gram 15快40%。
因此，在Cinebench R20和R23中，Gram 15被配备Core i5-1135G7和Core i7-1165G7的笔记本电脑击败，这并不令人惊讶。Gram 15在AIDA基准测试中也表现不佳。
Cinebench R15 multi-core loop
Cinebench R23: Multi Core | Single Core
Cinebench R20: CPU (Multi Core) | CPU (Single Core)
Cinebench R15: CPU Multi 64Bit | CPU Single 64Bit
Blender: v2.79 BMW27 CPU
7-Zip 18.03: 7z b 4 | 7z b 4 -mmt1
Geekbench 5.5: Multi-Core | Single-Core
HWBOT x265 Benchmark v2.2: 4k Preset
LibreOffice : 20 Documents To PDF
R Benchmark 2.5: Overall mean
| CPU Performance Rating | |
| Average of class Subnotebook | |
| MSI Summit B15 A11M | |
| Average Intel Core i7-1165G7 | |
| LG Gram 16 (2021) | |
| Samsung Galaxy Book NP750XDA -2! | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver -2! | |
| LG Gram 15Z90P-G.AA89G | |
| Cinebench R23 / Multi Core | |
| Average of class Subnotebook (2485 - 16201, n=68, last 2 years) | |
| MSI Summit B15 A11M | |
| Average Intel Core i7-1165G7 (2525 - 6862, n=64) | |
| LG Gram 16 (2021) | |
| Honor MagicBook 15 i5 1135G7 | |
| LG Gram 15Z90P-G.AA89G | |
| Cinebench R23 / Single Core | |
| Average of class Subnotebook (598 - 1934, n=68, last 2 years) | |
| MSI Summit B15 A11M | |
| Average Intel Core i7-1165G7 (1110 - 1539, n=59) | |
| Honor MagicBook 15 i5 1135G7 | |
| LG Gram 16 (2021) | |
| LG Gram 15Z90P-G.AA89G | |
| Cinebench R20 / CPU (Multi Core) | |
| Average of class Subnotebook (810 - 6314, n=64, last 2 years) | |
| MSI Summit B15 A11M | |
| Samsung Galaxy Book NP750XDA | |
| Average Intel Core i7-1165G7 (1060 - 2657, n=81) | |
| LG Gram 16 (2021) | |
| Samsung Galaxy Book Ion Aura Silver | |
| Honor MagicBook 15 i5 1135G7 | |
| LG Gram 15Z90P-G.AA89G | |
| Cinebench R20 / CPU (Single Core) | |
| Average of class Subnotebook (216 - 738, n=64, last 2 years) | |
| MSI Summit B15 A11M | |
| Average Intel Core i7-1165G7 (442 - 589, n=81) | |
| LG Gram 16 (2021) | |
| Honor MagicBook 15 i5 1135G7 | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book Ion Aura Silver | |
| Samsung Galaxy Book NP750XDA | |
| Cinebench R15 / CPU Multi 64Bit | |
| Average of class Subnotebook (514 - 2581, n=70, last 2 years) | |
| MSI Summit B15 A11M | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book NP750XDA | |
| Average Intel Core i7-1165G7 (553 - 1027, n=86) | |
| LG Gram 16 (2021) | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book Ion Aura Silver | |
| Cinebench R15 / CPU Single 64Bit | |
| Average of class Subnotebook (91.8 - 280, n=62, last 2 years) | |
| MSI Summit B15 A11M | |
| Average Intel Core i7-1165G7 (115 - 230, n=78) | |
| LG Gram 16 (2021) | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book NP750XDA | |
| Samsung Galaxy Book NP750XDA | |
| Samsung Galaxy Book Ion Aura Silver | |
| LG Gram 15Z90P-G.AA89G | |
| Blender / v2.79 BMW27 CPU | |
| LG Gram 15Z90P-G.AA89G | |
| LG Gram 16 (2021) | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver | |
| Average Intel Core i7-1165G7 (468 - 1138, n=80) | |
| Samsung Galaxy Book NP750XDA | |
| MSI Summit B15 A11M | |
| Average of class Subnotebook (201 - 1600, n=66, last 2 years) | |
| 7-Zip 18.03 / 7z b 4 | |
| Average of class Subnotebook (16223 - 67444, n=57, last 2 years) | |
| MSI Summit B15 A11M | |
| Average Intel Core i7-1165G7 (15347 - 27405, n=80) | |
| Samsung Galaxy Book NP750XDA | |
| LG Gram 16 (2021) | |
| Samsung Galaxy Book Ion Aura Silver | |
| Honor MagicBook 15 i5 1135G7 | |
| LG Gram 15Z90P-G.AA89G | |
| 7-Zip 18.03 / 7z b 4 -mmt1 | |
| Average of class Subnotebook (2197 - 6403, n=58, last 2 years) | |
| Average Intel Core i7-1165G7 (4478 - 5507, n=80) | |
| MSI Summit B15 A11M | |
| LG Gram 16 (2021) | |
| Samsung Galaxy Book Ion Aura Silver | |
| Samsung Galaxy Book NP750XDA | |
| LG Gram 15Z90P-G.AA89G | |
| Honor MagicBook 15 i5 1135G7 | |
| Geekbench 5.5 / Multi-Core | |
| Average of class Subnotebook (4274 - 12580, n=65, last 2 years) | |
| MSI Summit B15 A11M | |
| LG Gram 16 (2021) | |
| Average Intel Core i7-1165G7 (3078 - 5926, n=77) | |
| Samsung Galaxy Book NP750XDA | |
| LG Gram 15Z90P-G.AA89G | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver | |
| Geekbench 5.5 / Single-Core | |
| Average of class Subnotebook (672 - 2350, n=65, last 2 years) | |
| MSI Summit B15 A11M | |
| Average Intel Core i7-1165G7 (1302 - 1595, n=77) | |
| LG Gram 16 (2021) | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book NP750XDA | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver | |
| HWBOT x265 Benchmark v2.2 / 4k Preset | |
| Average of class Subnotebook (1.5 - 19.4, n=56, last 2 years) | |
| MSI Summit B15 A11M | |
| Average Intel Core i7-1165G7 (1.39 - 8.47, n=80) | |
| Samsung Galaxy Book NP750XDA | |
| Honor MagicBook 15 i5 1135G7 | |
| LG Gram 16 (2021) | |
| Samsung Galaxy Book Ion Aura Silver | |
| LG Gram 15Z90P-G.AA89G | |
| LibreOffice / 20 Documents To PDF | |
| Samsung Galaxy Book Ion Aura Silver | |
| Honor MagicBook 15 i5 1135G7 | |
| MSI Summit B15 A11M | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book NP750XDA | |
| Average of class Subnotebook (40.1 - 120.5, n=57, last 2 years) | |
| Average Intel Core i7-1165G7 (21.5 - 88.1, n=78) | |
| LG Gram 16 (2021) | |
| R Benchmark 2.5 / Overall mean | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book Ion Aura Silver | |
| Samsung Galaxy Book NP750XDA | |
| LG Gram 16 (2021) | |
| Honor MagicBook 15 i5 1135G7 | |
| Average Intel Core i7-1165G7 (0.552 - 1.002, n=80) | |
| MSI Summit B15 A11M | |
| Average of class Subnotebook (0.4397 - 1.236, n=57, last 2 years) | |
* ... smaller is better
AIDA64: FP32 Ray-Trace | FPU Julia | CPU SHA3 | CPU Queen | FPU SinJulia | FPU Mandel | CPU AES | CPU ZLib | FP64 Ray-Trace | CPU PhotoWorxx
| Performance Rating | |
| Average of class Subnotebook | |
| Honor MagicBook 15 i5 1135G7 | |
| MSI Summit B15 A11M | |
| Average Intel Core i7-1165G7 | |
| LG Gram 16 (2021) | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book Ion Aura Silver | |
| Samsung Galaxy Book NP750XDA -9! | |
| AIDA64 / FP32 Ray-Trace | |
| Average of class Subnotebook (343 - 25961, n=57, last 2 years) | |
| MSI Summit B15 A11M | |
| Average Intel Core i7-1165G7 (3933 - 8184, n=58) | |
| Honor MagicBook 15 i5 1135G7 | |
| LG Gram 15Z90P-G.AA89G | |
| LG Gram 16 (2021) | |
| Samsung Galaxy Book Ion Aura Silver | |
| AIDA64 / FPU Julia | |
| Average of class Subnotebook (11867 - 111109, n=57, last 2 years) | |
| MSI Summit B15 A11M | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver | |
| Average Intel Core i7-1165G7 (17720 - 34369, n=58) | |
| LG Gram 16 (2021) | |
| LG Gram 15Z90P-G.AA89G | |
| AIDA64 / CPU SHA3 | |
| Average of class Subnotebook (453 - 4646, n=57, last 2 years) | |
| Honor MagicBook 15 i5 1135G7 | |
| MSI Summit B15 A11M | |
| Average Intel Core i7-1165G7 (958 - 2338, n=58) | |
| LG Gram 16 (2021) | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book Ion Aura Silver | |
| AIDA64 / CPU Queen | |
| Average of class Subnotebook (15447 - 115300, n=57, last 2 years) | |
| LG Gram 16 (2021) | |
| Average Intel Core i7-1165G7 (44161 - 50624, n=58) | |
| MSI Summit B15 A11M | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver | |
| LG Gram 15Z90P-G.AA89G | |
| AIDA64 / FPU SinJulia | |
| Average of class Subnotebook (1223 - 14944, n=57, last 2 years) | |
| MSI Summit B15 A11M | |
| Honor MagicBook 15 i5 1135G7 | |
| Average Intel Core i7-1165G7 (3183 - 4796, n=58) | |
| Samsung Galaxy Book Ion Aura Silver | |
| LG Gram 16 (2021) | |
| LG Gram 15Z90P-G.AA89G | |
| AIDA64 / FPU Mandel | |
| Average of class Subnotebook (6379 - 59053, n=57, last 2 years) | |
| MSI Summit B15 A11M | |
| Honor MagicBook 15 i5 1135G7 | |
| Average Intel Core i7-1165G7 (11876 - 20468, n=58) | |
| LG Gram 16 (2021) | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book Ion Aura Silver | |
| AIDA64 / CPU AES | |
| Honor MagicBook 15 i5 1135G7 | |
| Average Intel Core i7-1165G7 (29506 - 73387, n=58) | |
| LG Gram 16 (2021) | |
| Average of class Subnotebook (638 - 161430, n=57, last 2 years) | |
| MSI Summit B15 A11M | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book Ion Aura Silver | |
| AIDA64 / CPU ZLib | |
| Average of class Subnotebook (270 - 1123, n=57, last 2 years) | |
| Honor MagicBook 15 i5 1135G7 | |
| MSI Summit B15 A11M | |
| Samsung Galaxy Book Ion Aura Silver | |
| Average Intel Core i7-1165G7 (169 - 402, n=65) | |
| LG Gram 16 (2021) | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book NP750XDA | |
| AIDA64 / FP64 Ray-Trace | |
| Average of class Subnotebook (204 - 14018, n=57, last 2 years) | |
| MSI Summit B15 A11M | |
| Average Intel Core i7-1165G7 (2033 - 4461, n=58) | |
| Honor MagicBook 15 i5 1135G7 | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book Ion Aura Silver | |
| LG Gram 16 (2021) | |
| AIDA64 / CPU PhotoWorxx | |
| LG Gram 16 (2021) | |
| LG Gram 15Z90P-G.AA89G | |
| Average of class Subnotebook (7622 - 53954, n=57, last 2 years) | |
| Average Intel Core i7-1165G7 (12392 - 45694, n=58) | |
| MSI Summit B15 A11M | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver | |
系统性能
在PCMark 10基准测试中，鉴于Gram 15在CPU基准测试中表现不佳，它的表现比预期要好。我们的LG样品在我们的比较图表的顶部附近占据了一个位置，并成功地超过了MSI Summit B15.AIDA内存基准测试证实，我们的评测设备在复制和写入数据方面领先于竞争对手。事实上，它还击败了Gram 16。不过，在涉及到内存延迟时，竞争对手是领先的。
| PCMark 10 / Score | |
| Average of class Subnotebook (4384 - 7428, n=55, last 2 years) | |
| Average Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs (4531 - 5454, n=50) | |
| LG Gram 16 (2021) | |
| LG Gram 15Z90P-G.AA89G | |
| MSI Summit B15 A11M | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book NP750XDA | |
| Samsung Galaxy Book Ion Aura Silver | |
| PCMark 10 / Essentials | |
| Average of class Subnotebook (8890 - 11168, n=55, last 2 years) | |
| LG Gram 16 (2021) | |
| Average Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs (8997 - 11505, n=50) | |
| LG Gram 15Z90P-G.AA89G | |
| Honor MagicBook 15 i5 1135G7 | |
| MSI Summit B15 A11M | |
| Samsung Galaxy Book NP750XDA | |
| Samsung Galaxy Book Ion Aura Silver | |
| PCMark 10 / Productivity | |
| Average of class Subnotebook (6213 - 10279, n=55, last 2 years) | |
| Samsung Galaxy Book Ion Aura Silver | |
| LG Gram 16 (2021) | |
| Average Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs (5570 - 7136, n=50) | |
| LG Gram 15Z90P-G.AA89G | |
| MSI Summit B15 A11M | |
| Samsung Galaxy Book NP750XDA | |
| Honor MagicBook 15 i5 1135G7 | |
| PCMark 10 / Digital Content Creation | |
| Average of class Subnotebook (4093 - 9749, n=55, last 2 years) | |
| MSI Summit B15 A11M | |
| Average Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs (4083 - 5550, n=50) | |
| Samsung Galaxy Book NP750XDA | |
| Honor MagicBook 15 i5 1135G7 | |
| LG Gram 16 (2021) | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book Ion Aura Silver | |
| PCMark 10 Score | 4792 points | |
Help | ||
| AIDA64 / Memory Copy | |
| LG Gram 16 (2021) | |
| Average of class Subnotebook (22781 - 95353, n=57, last 2 years) | |
| LG Gram 15Z90P-G.AA89G | |
| Average Intel Core i7-1165G7 (20032 - 65446, n=58) | |
| MSI Summit B15 A11M | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver | |
| AIDA64 / Memory Read | |
| LG Gram 16 (2021) | |
| LG Gram 15Z90P-G.AA89G | |
| Average of class Subnotebook (23831 - 86433, n=57, last 2 years) | |
| Average Intel Core i7-1165G7 (23033 - 64524, n=58) | |
| MSI Summit B15 A11M | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver | |
| AIDA64 / Memory Write | |
| LG Gram 16 (2021) | |
| Average of class Subnotebook (23474 - 93382, n=57, last 2 years) | |
| LG Gram 15Z90P-G.AA89G | |
| Average Intel Core i7-1165G7 (21736 - 66791, n=58) | |
| MSI Summit B15 A11M | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver | |
| AIDA64 / Memory Latency | |
| LG Gram 15Z90P-G.AA89G | |
| Average of class Subnotebook (18.8 - 172, n=52, last 2 years) | |
| LG Gram 16 (2021) | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver | |
| Average Intel Core i7-1165G7 (71.4 - 110, n=65) | |
| MSI Summit B15 A11M | |
| Samsung Galaxy Book NP750XDA | |
* ... smaller is better
DPC延迟
说到DPC延迟，Gram 15的表现不是特别好。即使有几个打开的浏览器标签，我们也看到了延迟的峰值。然而，在YouTube的测试中没有问题（只有3个丢帧）。在测试中，我们使用了微软的Edge浏览器的默认设置。我们还使用了 "最佳性能 "的电源模式。这里的主要问题在于ACPI驱动程序。16英寸机型没有这些问题（420对1662微秒）。这有可能只是我们特定评测设备特有的一次性问题。我们的DPC测试是在我们审查时使用最新的可用驱动程序进行的。
| DPC Latencies / LatencyMon - interrupt to process latency (max), Web, Youtube, Prime95 | |
| Samsung Galaxy Book Ion Aura Silver | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book NP750XDA | |
| MSI Summit B15 A11M | |
| Honor MagicBook 15 i5 1135G7 | |
| LG Gram 16 (2021) | |
* ... smaller is better
存储设备
一块1TB的SK海力士固态硬盘被安装在一个M.2插槽中。另一块SSD可以安装在第二个M.2插槽中，该插槽是空的。用户可以获得815GB的存储空间。固态硬盘的性能优于平均水平，这可能是我们在PCMark 10中获得非常好分数的原因。的LG Gram 16 (2021)没有相同的SK海力士固态硬盘，但在存储基准方面的表现仍然非常相似。
| Drive Performance Rating - Percent | |
| LG Gram 15Z90P-G.AA89G | |
| LG Gram 16 (2021) | |
| Honor MagicBook 15 i5 1135G7 | |
| Average of class Subnotebook | |
| Average SK Hynix HFM001TD3JX013N | |
| Samsung Galaxy Book Ion Aura Silver | |
| MSI Summit B15 A11M | |
| Samsung Galaxy Book NP750XDA | |
* ... smaller is better
Continuous read speed: DiskSpd Read Loop, Queue Depth 8
图形卡
芯片 Intel Iris Xe Graphics G7 (96EUs)在合成基准测试中取得了正常的结果。没有出现我们在CPU基准测试中看到的节流现象。然而，在真正的游戏中，iGPU的节流，甚至在低设置下。在这里，Iris Xe Graphics G7（96EUs）的表现比其他设备差30-45%。
| 3DMark Performance Rating - Percent | |
| Average of class Subnotebook | |
| LG Gram 16 (2021) | |
| Average Intel Iris Xe Graphics G7 96EUs | |
| LG Gram 15Z90P-G.AA89G | |
| MSI Summit B15 A11M | |
| Samsung Galaxy Book NP750XDA | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver | |
| 3DMark 11 - 1280x720 Performance GPU | |
| Average of class Subnotebook (2979 - 16904, n=55, last 2 years) | |
| MSI Summit B15 A11M | |
| Average Intel Iris Xe Graphics G7 96EUs (2867 - 7471, n=193) | |
| LG Gram 16 (2021) | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book NP750XDA | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver | |
| 3DMark | |
| 1920x1080 Fire Strike Graphics | |
| Average of class Subnotebook (2837 - 12349, n=59, last 2 years) | |
| LG Gram 16 (2021) | |
| LG Gram 15Z90P-G.AA89G | |
| Average Intel Iris Xe Graphics G7 96EUs (2286 - 6143, n=206) | |
| Samsung Galaxy Book NP750XDA | |
| MSI Summit B15 A11M | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver | |
| 2560x1440 Time Spy Graphics | |
| Average of class Subnotebook (811 - 4773, n=58, last 2 years) | |
| LG Gram 16 (2021) | |
| Average Intel Iris Xe Graphics G7 96EUs (707 - 1871, n=203) | |
| Samsung Galaxy Book NP750XDA | |
| MSI Summit B15 A11M | |
| LG Gram 15Z90P-G.AA89G | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver | |
| 3DMark 11 Performance | 5724 points | |
| 3DMark Fire Strike Score | 4084 points | |
| 3DMark Time Spy Score | 1496 points | |
Help | ||
游戏性能
Gram 15不能处理游戏。其iGPU的性能比预期的要慢20-180%。在对CPU要求较高的游戏中，性能打击尤其明显。在《Witcher 3 》中，Gram 15在低设置下平均只能达到29 FPS。
| The Witcher 3 | |
| 1024x768 Low Graphics & Postprocessing | |
| Average of class Subnotebook (37 - 249, n=53, last 2 years) | |
| MSI Summit B15 A11M | |
| LG Gram 16 (2021) | |
| Average Intel Iris Xe Graphics G7 96EUs (28.9 - 110, n=181) | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book NP750XDA | |
| Samsung Galaxy Book Ion Aura Silver | |
| LG Gram 15Z90P-G.AA89G | |
| 1366x768 Medium Graphics & Postprocessing | |
| Average of class Subnotebook (29 - 264, n=46, last 2 years) | |
| MSI Summit B15 A11M | |
| Average Intel Iris Xe Graphics G7 96EUs (21.4 - 74.1, n=179) | |
| Samsung Galaxy Book NP750XDA | |
| LG Gram 16 (2021) | |
| Honor MagicBook 15 i5 1135G7 | |
| Samsung Galaxy Book Ion Aura Silver | |
| LG Gram 15Z90P-G.AA89G | |
| Dota 2 Reborn - 1920x1080 high (2/3) | |
| Average of class Subnotebook (37.4 - 114.4, n=58, last 2 years) | |
| Samsung Galaxy Book Ion Aura Silver | |
| Average Intel Iris Xe Graphics G7 96EUs (23.2 - 88.1, n=206) | |
| Samsung Galaxy Book NP750XDA | |
| LG Gram 16 (2021) | |
| MSI Summit B15 A11M | |
| LG Gram 15Z90P-G.AA89G | |
| Honor MagicBook 15 i5 1135G7 | |
| Final Fantasy XV Benchmark - 1280x720 Lite Quality | |
| Average of class Subnotebook (18.9 - 130.6, n=54, last 2 years) | |
| Samsung Galaxy Book NP750XDA | |
| Average Intel Iris Xe Graphics G7 96EUs (14.9 - 56.5, n=174) | |
| MSI Summit B15 A11M | |
| LG Gram 16 (2021) | |
| Honor MagicBook 15 i5 1135G7 | |
| LG Gram 15Z90P-G.AA89G | |
| X-Plane 11.11 - 1280x720 low (fps_test=1) | |
| Samsung Galaxy Book Ion Aura Silver | |
| MSI Summit B15 A11M | |
| Honor MagicBook 15 i5 1135G7 | |
| Average of class Subnotebook (19.5 - 144.7, n=55, last 2 years) | |
| LG Gram 16 (2021) | |
| Average Intel Iris Xe Graphics G7 96EUs (13.4 - 88.4, n=206) | |
| LG Gram 15Z90P-G.AA89G | |
| Samsung Galaxy Book NP750XDA | |
| Far Cry 5 - 1280x720 Low Preset AA:T | |
| Average of class Subnotebook (22 - 132, n=38, last 2 years) | |
| LG Gram 16 (2021) | |
| Samsung Galaxy Book NP750XDA | |
| Average Intel Iris Xe Graphics G7 96EUs (24 - 67, n=85) | |
| Samsung Galaxy Book Ion Aura Silver | |
| LG Gram 15Z90P-G.AA89G | |
| Strange Brigade - 1920x1080 medium AA:medium AF:4 | |
| Average of class Subnotebook (29.4 - 126.9, n=55, last 2 years) | |
| LG Gram 16 (2021) | |
| Average Intel Iris Xe Graphics G7 96EUs (18.2 - 48.3, n=158) | |
| Samsung Galaxy Book NP750XDA | |
| LG Gram 15Z90P-G.AA89G | |
| Honor MagicBook 15 i5 1135G7 | |
| Farming Simulator 22 | |
| 1280x720 Low Preset | |
| Average of class Subnotebook (96 - 123, n=4, last 2 years) | |
| LG Gram 15Z90P-G.AA89G | |
| Average Intel Iris Xe Graphics G7 96EUs (81 - 112, n=11) | |
| 1920x1080 Medium Preset | |
| Average of class Subnotebook (42 - 62, n=4, last 2 years) | |
| Average Intel Iris Xe Graphics G7 96EUs (20 - 51, n=10) | |
| LG Gram 15Z90P-G.AA89G | |
| GTA V | |
| 1366x768 Normal/Off AF:4x | |
| Average of class Subnotebook (31 - 172.6, n=52, last 2 years) | |
| Samsung Galaxy Book Ion Aura Silver | |
| LG Gram 16 (2021) | |
| Samsung Galaxy Book NP750XDA | |
| Average Intel Iris Xe Graphics G7 96EUs (24.1 - 137, n=158) | |
| Honor MagicBook 15 i5 1135G7 | |
| LG Gram 15Z90P-G.AA89G | |
| 1920x1080 High/On (Advanced Graphics Off) AA:2xMSAA + FX AF:8x | |
| Samsung Galaxy Book Ion Aura Silver | |
| Average of class Subnotebook (10 - 121, n=51, last 2 years) | |
| LG Gram 16 (2021) | |
| Samsung Galaxy Book NP750XDA | |
| Average Intel Iris Xe Graphics G7 96EUs (9.39 - 51.6, n=150) | |
| Honor MagicBook 15 i5 1135G7 | |
| LG Gram 15Z90P-G.AA89G | |
Witcher 3 展示了CPU和GPU是如何争夺非常有限的功率预算的。最后，CPU占了上风，但它只消耗了10到20瓦，并且只在700兆赫下运行。这与CPU的全部潜力相差甚远。简而言之，集成GPU在游戏时非常吃力。英特尔的Iris Xe GPU即使在最好的情况下也不是一个好的执行者，但在这里它的表现特别差。
| low | med. | high | ultra | QHD | 4K | |
| GTA V (2015) | 60 | 46 | 14 | |||
| The Witcher 3 (2015) | 28.9 | 29 | 19 | |||
| Dota 2 Reborn (2015) | 113.7 | 73.4 | 39.9 | 35.6 | 15.5 | |
| Final Fantasy XV Benchmark (2018) | 22.8 | 14.2 | 9.8 | 7.09 | ||
| X-Plane 11.11 (2018) | 33.5 | 22.8 | 21.2 | |||
| Far Cry 5 (2018) | 24 | 14 | ||||
| Strange Brigade (2018) | 80.8 | 25.5 | 18.9 | 15.7 | ||
| Farming Simulator 22 (2021) | 105 | 20 |
排放。Gram 15保持安静和凉爽
系统噪音
Gram 15是一台安静的笔记本电脑。风扇很少启动，而风扇的噪音从未超过32 dB(A)。笔记本保持非常安静，因为它在连续负载下会节流。在这里，LG选择了低噪音水平而不是性能。笔记本 Galaxy Book Ion Aura的噪音略大，但它在负载下没有节流。不过，在空闲时，两款笔记本都是绝对安静的。
Noise Level
| Idle |
| 25 / 25 / 26.7 dB(A) |
| Load |
| 32.2 / 32.4 dB(A) |
 | ||
30 dB silent 40 dB(A) audible 50 dB(A) loud |
||
min:  , med:  , max:  Earthworks M23R, Arta (15 cm distance) environment noise: 25 dB(A) | ||
| LG Gram 15Z90P-G.AA89G Iris Xe G7 96EUs, i7-1165G7, SK Hynix HFM001TD3JX013N | LG Gram 16 (2021) Iris Xe G7 96EUs, i7-1165G7, SK Hynix PC601 1TB HFS001TD9TNG | Samsung Galaxy Book Ion Aura Silver GeForce MX250, i7-10510U, WDC PC SN730 SDBQNTY-512GB | Honor MagicBook 15 i5 1135G7 Iris Xe G7 80EUs, i5-1135G7, WDC PC SN730 SDBPNTY-512G | MSI Summit B15 A11M Iris Xe G7 96EUs, i7-1165G7, Kingston OM8PCP31024F | Samsung Galaxy Book NP750XDA Iris Xe G7 80EUs, i5-1135G7, Lite-On CL1-8D512 | |
|---|---|---|---|---|---|---|
| Noise | -0% | -6% | -1% | -10% | -14% | |
| off / environment * | 25 | 26 -4% | 24.9 -0% | 24.6 2% | 25.2 -1% | 26 -4% |
| Idle Minimum * | 25 | 26 -4% | 24.9 -0% | 24.6 2% | 26.4 -6% | 26 -4% |
| Idle Average * | 25 | 26 -4% | 24.9 -0% | 24.6 2% | 26.4 -6% | 26 -4% |
| Idle Maximum * | 26.7 | 26 3% | 24.9 7% | 24.6 8% | 26.4 1% | 26 3% |
| Load Average * | 32.2 | 30.8 4% | 39 -21% | 33.9 -5% | 26.8 17% | 43.3 -34% |
| Load Maximum * | 32.4 | 31.1 4% | 39.2 -21% | 36.5 -13% | 52.6 -62% | 45.7 -41% |
| Witcher 3 ultra * | 38.9 | 33.9 | 28 |
* ... smaller is better
温度
单一的风扇和小的热管可能是Gram 15在负载下节流的原因。但这是每个LG Gram笔记本电脑的情况。在任何情况下，这样的铜热管通常重约100克（约0.22磅）。
闲置时，目前的英特尔芯片很难被打败。在这里，电力消耗，在大多数情况下，从2.9W到8.7W不等。这就是为什么笔记本电脑感觉很酷。在负载情况下，情况看起来完全不同，但即使在这里，表面温度也不会很严重（在键盘的上部约为40℃/104°F）。底部从未变热（甚至比顶部更凉）。我们看到，LG采用了适度的冷却解决方案。然而，为了防止笔记本过热和产生大量噪音，LG决定设置低功率限制。对于一个超移动设备来说，这并不是一个不合理的妥协。
(±) The maximum temperature on the upper side is 42.9 °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 39.4 °C / 103 F, compared to the average of 39.4 °C / 103 F
(+) In idle usage, the average temperature for the upper side is 24.3 °C / 76 F, compared to the device average of 30.7 °C / 87 F.
(+) The palmrests and touchpad are cooler than skin temperature with a maximum of 27.4 °C / 81.3 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 (+0.9 °C / 1.6 F).
| LG Gram 15Z90P-G.AA89G Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs | LG Gram 16 (2021) Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs | Samsung Galaxy Book Ion Aura Silver Intel Core i7-10510U, NVIDIA GeForce MX250 | Honor MagicBook 15 i5 1135G7 Intel Core i5-1135G7, Intel Iris Xe Graphics G7 80EUs | MSI Summit B15 A11M Intel Core i7-1165G7, Intel Iris Xe Graphics G7 96EUs | Samsung Galaxy Book NP750XDA Intel Core i5-1135G7, Intel Iris Xe Graphics G7 80EUs | |
|---|---|---|---|---|---|---|
| Heat | -6% | -11% | 2% | -12% | -11% | |
| Maximum Upper Side * | 42.9 | 46.9 -9% | 50.1 -17% | 35.4 17% | 42.8 -0% | 46.5 -8% |
| Maximum Bottom * | 39.4 | 45.1 -14% | 50.2 -27% | 40.8 -4% | 52.2 -32% | 44.8 -14% |
| Idle Upper Side * | 25.4 | 26.4 -4% | 24.8 2% | 25.4 -0% | 26 -2% | 27.8 -9% |
| Idle Bottom * | 24.9 | 24.1 3% | 25.5 -2% | 26 -4% | 28.2 -13% | 28.3 -14% |
* ... smaller is better
压力测试
在Prime95和Furmark的帮助下进行的压力测试中，我们记录了SoC的温度、时钟和功率消耗。短暂的55W峰值是值得注意的。在这里，我们看到CPU温度峰值为85℃（185°F），CPU时钟从3.5GHz降至1.6GHz。因为在压力测试期间，系统始终处于负载状态，内部温度保持在80°C（176°F）以上，直到CPU时钟速率下降到1.1GHz。在这之后，CPU温度下降到70 °C（158 °F）以下。但随后，时钟频率又开始上升，直到核心温度达到78℃（172.4°F），时钟速度再次下降。这个周期一再重复，也就是说，只要核心温度降到70℃（158°F）以下，CPU频率就开始上升。然而，只要CPU温度达到78℃（172.4°F），工作频率就会下降。
| CPU时钟（GHz） | GPU时钟（MHz） | CPU平均温度（°C） | GPU平均温度（°C） | |
| 系统空闲 | 3,2 | 100 | 37 | 41 |
| Prime95压力 | 2,2 | 100 | 72 | 80 |
| Prime95 + FurMark 压力 | 1,33 | 695 | 75 | 74 |
| Witcher 3 Stress | 1,9 | 903 | 75 | 71 |
发言人
两个扬声器位于腕托下方（靠近两侧）。当笔记本电脑放置在一个均匀、坚固的表面上时，扬声器的性能最好，从这个表面上可以很容易地反射声音。小驱动器的设计已经改变，但大的腔体仍然保留。
我们并没有期待有什么奇迹。笔记本电脑的扬声器听起来很尖锐，低音也非常小。这里没有任何一代的改进。值得注意的是。即使扬声器格栅被覆盖，也没有真正的音量损失，只有声音特征发生了一些变化。这是由于笔记本内部的谐振室造成的。与其他15英寸笔记本电脑相比，音量在一个合适的水平上。声音在全音量时不会变得失真。
Gram 15配备了讯连科技的音频总监7。它不是最强大的音频编辑程序，但它至少是个东西。双麦克风阵列即使在离设备0.5到2米的地方也能产生无噪音的录音。
LG Gram 15Z90P-G.AA89G audio analysis
(+) | speakers can play relatively loud (85.3 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 19.7% lower than median
(±) | linearity of bass is average (13.4% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 2.1% away from median
(+) | mids are linear (3.7% delta to prev. frequency)
Highs 2 - 16 kHz
(±) | higher highs - on average 7.4% higher than median
(±) | linearity of highs is average (7.7% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (16.6% difference to median)
Compared to same class
» 37% of all tested devices in this class were better, 6% similar, 57% worse
» The best had a delta of 5%, average was 19%, worst was 53%
Compared to all devices tested
» 24% of all tested devices were better, 5% similar, 71% worse
» The best had a delta of 4%, average was 25%, worst was 134%
Samsung Galaxy Book Ion Aura Silver audio analysis
(-) | not very loud speakers (66.9 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 20.2% lower than median
(±) | linearity of bass is average (14.2% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 2.7% away from median
(+) | mids are linear (3.9% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 3% away from median
(+) | highs are linear (5% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (18.5% difference to median)
Compared to same class
» 50% of all tested devices in this class were better, 7% similar, 44% worse
» The best had a delta of 5%, average was 19%, worst was 53%
Compared to all devices tested
» 36% of all tested devices were better, 8% similar, 56% worse
» The best had a delta of 4%, average was 25%, worst was 134%
能源管理。Gram笔记本电脑的电池寿命为14小时
能源消耗
与前代产品相比，耗电量没有明显变化。LG Gram 15在空闲时的功耗为2.9至11.5瓦。在负载情况下，系统的功耗为29W，比基于Ice Lake 的前代产品低2W。鉴于在我们的压力测试中，耗电量仅在64W徘徊了几秒钟，65W的电源适配器应该不难为设备提供足够的能量。
我们用外部显示器和内置显示器来测量系统功耗。在这里，即使在峰值测量中也没有太大的差别。在压力测试的前三分钟后，功耗从60瓦下降到35-25瓦。其他笔记本电脑没有节流这么多。例如，配备MX250的三星Galaxy Book Ion Aura Silver在我们的压力测试中成功保持了高水平的性能。
| Off / Standby | 0.35 / 0.4 Watt |
| Idle | 2.9 / 8.7 / 11.5 Watt |
| Load |
29.2 / 63.6 Watt |
   
| |
| LG Gram 15Z90P-G.AA89G i7-1165G7, Iris Xe G7 96EUs, SK Hynix HFM001TD3JX013N, IPS 99% sRGB, 1920x1080, 15.60 | LG Gram 16 (2021) i7-1165G7, Iris Xe G7 96EUs, SK Hynix PC601 1TB HFS001TD9TNG, IPS, 2560x1600, 16.00 | Samsung Galaxy Book Ion Aura Silver i7-10510U, GeForce MX250, WDC PC SN730 SDBQNTY-512GB, QLED, 1920x1080, 15.60 | Honor MagicBook 15 i5 1135G7 i5-1135G7, Iris Xe G7 80EUs, WDC PC SN730 SDBPNTY-512G, IPS, 1920x1080, 15.60 | MSI Summit B15 A11M i7-1165G7, Iris Xe G7 96EUs, Kingston OM8PCP31024F, IPS, 1920x1080, 15.60 | Average Intel Iris Xe Graphics G7 96EUs | Average of class Subnotebook | |
|---|---|---|---|---|---|---|---|
| Power Consumption | -4% | -16% | -3% | -14% | -26% | -23% | |
| Idle Minimum * | 2.9 | 3.8 -31% | 2.9 -0% | 3.4 -17% | 4.2 -45% | 5.26 ? -81% | 4.9 ? -69% |
| Idle Average * | 8.7 | 9 -3% | 7 20% | 7.7 11% | 7.7 11% | 8.46 ? 3% | 8.36 ? 4% |
| Idle Maximum * | 11.5 | 11.3 2% | 9.9 14% | 8.3 28% | 8.4 27% | 10.6 ? 8% | 10.4 ? 10% |
| Load Average * | 29.2 | 35.2 -21% | 53 -82% | 32 -10% | 37.8 -29% | 44.8 ? -53% | 45.9 ? -57% |
| Witcher 3 ultra * | 26.4 | 39.3 -49% | 33.9 -28% | 36.6 -39% | |||
| Load Maximum * | 63.6 | 43.5 32% | 64 -1% | 65.2 -3% | 67.5 -6% | 66.6 ? -5% | 66 ? -4% |
* ... smaller is better
Power Draw: The Witcher 3 / stress test
Power draw with the external Monitor: R15 loop / Furmark / stress test
电池寿命
LG Gram 15配备了80瓦时的大电池，这是值得注意的，因为较小的电池通常重量较轻。在这里，LG使用了能量密度很高的电池。顺便说一下，所有LG Grams都使用这种电池，甚至17英寸的也是如此。
在我们的Wi-Fi测试中，我们将亮度设置为150cd/m²并启用通信模块，Gram 15持续了近14个小时（比Gram 16少两个小时）。竞争对手的笔记本没有机会对抗Gram 15，因为它们配备的电池较小。
LG Grams持续如此之久的另一个原因是节流。值得再次提及的是，CPU的功耗在负载下在10至20瓦之间波动。
在闲置电池测试中，通信模块被禁用，亮度降低到22cd/m²，笔记本电脑持续了令人印象深刻的26小时。然而，这项测试与日常使用的关系不大。
| LG Gram 15Z90P-G.AA89G i7-1165G7, Iris Xe G7 96EUs, 80 Wh | LG Gram 16 (2021) i7-1165G7, Iris Xe G7 96EUs, 80 Wh | Samsung Galaxy Book Ion Aura Silver i7-10510U, GeForce MX250, 70 Wh | Honor MagicBook 15 i5 1135G7 i5-1135G7, Iris Xe G7 80EUs, 42 Wh | MSI Summit B15 A11M i7-1165G7, Iris Xe G7 96EUs, 52 Wh | Samsung Galaxy Book NP750XDA i5-1135G7, Iris Xe G7 80EUs, 54 Wh | Average of class Subnotebook | |
|---|---|---|---|---|---|---|---|
| Battery Runtime | 11% | -44% | -45% | -52% | -32% | -32% | |
| Reader / Idle | 1560 | 1713 10% | 967 -38% | 1105 -29% | 1365 -12% | 1252 ? -20% | |
| WiFi v1.3 | 821 | 943 15% | 412 -50% | 451 -45% | 397 -52% | 607 -26% | 629 ? -23% |
| Load | 239 | 258 8% | 133 -44% | 58 -76% | 97 -59% | 115.4 ? -52% | |
| H.264 | 1204 | 647 | 794 ? |
Pros
Cons
结论。Gram 15提供了很好的电池寿命，但性能不高
2021年的Gram 15在性能上比2020年的Gram 15有了相当大的提高，后者是基于Ice Lake CPU。此外，2021年的模型得到了视觉上的重新设计。低重量仍然是该笔记本电脑的主要特点。它比所有其他竞争的15英寸笔记本都要轻，而且还提供出色的电池寿命（我们在这里说的是14小时）。
LG未能充分释放酷睿i7处理器的潜力。在这种特殊情况下，我们看到40%的性能不足。尽管如此，由于快速的固态硬盘和40W的突发TDP，系统感觉很灵敏。Gram 15并不适合重度、连续的负载，但它在所有其他情况下运行良好。
非常低的重量是LG Gram 15的与众不同之处。为了启动，LG的笔记本电脑还提供了出色的电池运行时间（14小时）。
我们没有处理过酷睿i5版本的Gram 15，但我们估计它的性能应该不会比酷睿i7模型差很多，这就是为什么我们建议获得酷睿i5变体。它提供的存储空间较少，但内部存储可以通过安装额外的固态硬盘轻松扩展。该设备内部有一个空的M.2-2280插槽。
对那些重量不是很重要的人来说，可以获得 三星Galaxy Book Ion Aura Silver它的价格要低50%，重量只多200克（约0.44磅）。然而，使用Galaxy Book Ion，你只能得到一半的电池寿命（7小时）。
价格和可用性
配备酷睿i5-1135G7和512GB固态硬盘的LG Gram 15可以在亚马逊上购买。售价1249.99美元。
LG Gram 15Z90P-G.AA89G
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01/24/2022 v7
Sebastian Jentsch
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