联想 ThinkPad L14 G4 AMD 评测:经济实惠的笔记本电脑,具有良好的可升级性和电池续航能力
在 ThinkPad 的世界里,ThinkPad L 系列标志着它进入了商务系列。这意味着它是面向商务用户的笔记本电脑系列,在成本方面进行了大量优化,并提供了较低的入门级价格。联想 THinkPad L14 Gen 4 AMD 就是今天要评测的设备,它是 14 英寸型号 ThinkPad L14 的第四代产品,这次采用的是 AMD Ryzen 7000。
由于设计与第三代 ThinkPad L14 相比没有变化,我们在联想 ThinkPad L14 Gen 3 的综合评测中介绍了连接选项、机箱/设计和输入设备等方面的情况。
潜在的竞争对手比较
Rating | Date | Model | Weight | Height | Size | Resolution | Best Price |
---|---|---|---|---|---|---|---|
88.6 % | 08/2023 | Lenovo ThinkPad L14 G4 21H6S00900 R5 7530U, Vega 7 | 1.5 kg | 19.83 mm | 14.00" | 1920x1080 | |
86.5 % | 10/2022 | Lenovo ThinkPad L14 G3 21C50030GE R5 PRO 5675U, Vega 7 | 1.6 kg | 19.83 mm | 14.00" | 1920x1080 | |
85.3 % | 06/2023 | Dell Latitude 3440 i5-1345U, Iris Xe G7 80EUs | 1.5 kg | 19.4 mm | 14.00" | 1920x1080 | |
89.1 % | 05/2023 | HP EliteBook 645 G9, Ryzen 7 5825U R7 5825U, Vega 8 | 1.4 kg | 19.9 mm | 14.00" | 1920x1080 | |
85.3 % | 03/2023 | HP ProBook 440 G9-5Y3Z3EA i7-1255U, Iris Xe G7 96EUs | 1.4 kg | 20.4 mm | 14.00" | 1920x1080 | |
88.8 % | 09/2022 | Lenovo ThinkPad T14 G3-21CF004NGE R7 PRO 6850U, Radeon 680M | 1.4 kg | 17.9 mm | 14.00" | 1920x1200 |
» Notebookcheck多媒体笔记本电脑Top 10排名
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» Notebookcheck评测过最出色的笔记本电脑屏幕
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» Notebookcheck售价300欧元以下笔记本电脑Top 10排名
连接性
SD Card Reader | |
average JPG Copy Test (av. of 3 runs) | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Average of class Office (8 - 82.7, n=50, last 2 years) | |
HP EliteBook 645 G9, Ryzen 7 5825U (AV Pro SD microSD 128 GB V60) | |
maximum AS SSD Seq Read Test (1GB) | |
Lenovo ThinkPad L14 G4 21H6S00900 (AV Pro V60) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Average of class Office (25 - 90.5, n=44, last 2 years) |
Networking | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
iperf3 transmit AXE11000 |
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iperf3 receive AXE11000 |
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iperf3 transmit AXE11000 6GHz |
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iperf3 receive AXE11000 6GHz |
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Lenovo ThinkPad L14 G3 21C50030GE | |
iperf3 transmit AXE11000 |
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iperf3 receive AXE11000 |
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Dell Latitude 3440 | |
iperf3 transmit AXE11000 |
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iperf3 receive AXE11000 |
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iperf3 transmit AXE11000 6GHz |
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iperf3 receive AXE11000 6GHz |
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HP EliteBook 645 G9, Ryzen 7 5825U | |
iperf3 transmit AXE11000 |
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iperf3 receive AXE11000 |
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iperf3 transmit AXE11000 6GHz |
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iperf3 receive AXE11000 6GHz |
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HP ProBook 440 G9-5Y3Z3EA | |
iperf3 transmit AXE11000 |
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iperf3 receive AXE11000 |
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iperf3 transmit AXE11000 6GHz |
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iperf3 receive AXE11000 6GHz |
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Lenovo ThinkPad T14 G3-21CF004NGE | |
iperf3 transmit AXE11000 6GHz |
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iperf3 receive AXE11000 6GHz |
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显示屏:ThinkPad L 首次采用低功耗屏幕
ThinkPad L 系列的传统弱点是屏幕质量。作为经济型商务系列,屏幕通常是节省成本的领域之一。因此,这些笔记本电脑使用的显示屏往往亮度和色域覆盖率较低。就联想 ThinkPad L14 G4 AMD 而言,四款 14 英寸显示器中有三款符合这一特点。幸运的是,我们有了第四个选项。 所有显示器仍然使用 16:9 宽高比,这使得 ThinkPad L14 成为最后几款使用这种宽高比的 ThinkPad 机型之一:
- 高清(1,366 x 768)、TN、220 cd/m²、45 % NTSC
- 全高清(1,920 x 1,080),IPS,250 cd/m²,45 % NTSC
- 全高清(1,920 x 1,080),IPS,300 cd/m²,45 % NTSC,多点触控
- 全高清(1,920 x 1,080),IPS,400 cd/m²,72 % NTSC,低功耗
我们已经从 T 系列的老款 ThinkPad 上了解到了这款产品所采用的低功耗屏幕,在此我们将首次对 ThinkPad L14 进行评测。显示屏亮度符合预期,整体亮度为 409 cd/m²。与其他经济型商用竞争产品相比,这是一个不错的亮度。但 AUD 面板的响应时间稍逊一筹,因为同类笔记本电脑的响应时间都很慢。对于办公用途来说,这并不是一个非常关键的问题,但用户会面临一些重影现象。
|
Brightness Distribution: 88 %
Center on Battery: 430 cd/m²
Contrast: 1387:1 (Black: 0.31 cd/m²)
ΔE Color 2.4 | 0.5-29.43 Ø5, calibrated: 1.4
ΔE Greyscale 3 | 0.57-98 Ø5.3
73.9% AdobeRGB 1998 (Argyll 2.2.0 3D)
98.9% sRGB (Argyll 2.2.0 3D)
73.2% Display P3 (Argyll 2.2.0 3D)
Gamma: 2.3
Lenovo ThinkPad L14 G4 21H6S00900 B140HAN06.9, IPS LED, 1920x1080, 14.00 | Lenovo ThinkPad L14 G3 21C50030GE BOE NV140FHM-N4U, IPS, 1920x1080, 14.00 | Dell Latitude 3440 BOE NE140FH, IPS, 1920x1080, 14.00 | HP EliteBook 645 G9, Ryzen 7 5825U Chi Mei CMN141D, IPS, 1920x1080, 14.00 | HP ProBook 440 G9-5Y3Z3EA AUO559C, , 1920x1080, 14.00 | Lenovo ThinkPad T14 G3-21CF004NGE LP140WU1-SPB2, IPS, 1920x1200, 14.00 | |
---|---|---|---|---|---|---|
Display | -41% | -42% | -7% | -47% | -3% | |
Display P3 Coverage | 73.2 | 41.4 -43% | 40.4 -45% | 66.2 -10% | 37 -49% | 69.2 -5% |
sRGB Coverage | 98.9 | 60.8 -39% | 60.7 -39% | 95.7 -3% | 55.5 -44% | 97.4 -2% |
AdobeRGB 1998 Coverage | 73.9 | 42.7 -42% | 41.8 -43% | 67.3 -9% | 38.2 -48% | 71.5 -3% |
Response Times | 67% | 24% | 58% | 41% | 35% | |
Response Time Grey 50% / Grey 80% * | 58.1 ? | 25 ? 57% | 35.3 ? 39% | 22 ? 62% | 42 ? 28% | 41.4 ? 29% |
Response Time Black / White * | 32.7 ? | 8 ? 76% | 29.8 ? 9% | 15 ? 54% | 15 ? 54% | 19.2 ? 41% |
PWM Frequency | ||||||
Screen | -80% | -48% | 26% | -113% | 13% | |
Brightness middle | 430 | 292 -32% | 292.6 -32% | 419 -3% | 255 -41% | 451 5% |
Brightness | 409 | 282 -31% | 270 -34% | 392 -4% | 233 -43% | 435 6% |
Brightness Distribution | 88 | 91 3% | 88 0% | 86 -2% | 86 -2% | 94 7% |
Black Level * | 0.31 | 0.24 23% | 0.19 39% | 0.24 23% | 0.21 32% | |
Contrast | 1387 | 1217 -12% | 1540 11% | 1746 26% | 2148 55% | |
Colorchecker dE 2000 * | 2.4 | 5.8 -142% | 4.63 -93% | 1.13 53% | 8.41 -250% | 2.4 -0% |
Colorchecker dE 2000 max. * | 4.7 | 18.1 -285% | 17.1 -264% | 2.46 48% | 13.51 -187% | 4.1 13% |
Colorchecker dE 2000 calibrated * | 1.4 | 4.5 -221% | 2.13 -52% | 1.3 7% | ||
Greyscale dE 2000 * | 3 | 3.7 -23% | 3.2 -7% | 0.94 69% | 7.6 -153% | 3.3 -10% |
Gamma | 2.3 96% | 2.07 106% | 2.34 94% | 2.38 92% | 3.12 71% | 2.13 103% |
CCT | 6489 100% | 7071 92% | 7184 90% | 6585 99% | 6233 104% | 6848 95% |
Total Average (Program / Settings) | -18% /
-51% | -22% /
-37% | 26% /
23% | -40% /
-67% | 15% /
13% |
* ... smaller is better
出厂时,屏幕略微偏冷,我们使用 X-Rite i1Pro 2 和 CalMan 进行了测量。在使用 X-Rite i1Profiler 校准后,我们将 deltaE 从 2.4 降到了 1.4--就色彩准确性而言,这是一个不错的值,但不是一个非常好的值。尤其是蓝色的准确度相当低。
由于基本上完全覆盖了 sRGB 色域,该面板的色域覆盖范围足以满足简单的照片编辑需求。DCI P3 和 AdobeRGB 的覆盖范围不足,说明这不是一款高端面板。
联想 ThinkPad L14 Gen 4 AMD 的屏幕亮度大约为 400 cd/m²,屏幕表面为磨砂材质,因此在户外也能使用。但应避免阳光直射。
Display Response Times
↔ Response Time Black to White | ||
---|---|---|
32.7 ms ... rise ↗ and fall ↘ combined | ↗ 15.4 ms rise | |
↘ 17.3 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. » 87 % 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 | ||
58.1 ms ... rise ↗ and fall ↘ combined | ↗ 27.2 ms rise | |
↘ 30.9 ms fall | ||
The screen shows slow response rates in our tests and will be unsatisfactory for gamers. In comparison, all tested devices range from 0.2 (minimum) to 636 (maximum) ms. » 94 % 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 not detected | |||
In comparison: 53 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 17853 (minimum: 5 - maximum: 3846000) Hz was measured. |
性能:只有 AMD Ryzen 7030U 而不是 Ryzen 7040U
联想在 ThinkPad L14 Gen 4 AMD 的规格表中列出了三种不同的 CPU。它们都属于 Ryzen 7030 系列/Barcelo Refresh: AMD Ryzen 3 Pro 7330U, Ryzen 5 Pro 7530U和 Ryzen 7 Pro 7730U.我们认为主要提供 Ryzen 5 和 Ryzen 7。
L14 G4 AMD 仅提供集成显卡,这意味着 Vega GPU 的确切类型取决于所选处理器。无论如何,ThinkPad L14 有两个 SO-DIMM 插槽,最多可支持 64 GB DDR4-3200 内存。在大容量存储方面,联想就没那么慷慨了,ThinkPad L14 G4 只有一个 M.2 2242 SSD 插槽。
测试条件
与联想ThinkPad的一贯做法一样,没有使用OEM软件来调节CPU性能和系统功耗。相反,联想使用的是 Windows 能源配置文件:
- 最佳性能:PL1 20.5 W / PL2 40 W
- 平衡:PL1 12 瓦 / PL2 15 瓦
- 最佳电池寿命PL1 10 瓦 / PL2 10 瓦
功率极限 1 (PL1) 描述的是 CPU 在持续负载下的功耗。而功耗限制 2 (PL2) 则是指短期提升性能时的最大功耗。
处理器
......(英文AMD Ryzen 5 Pro 7530U是 Ryzen 7000 系列的 "Barcelo Refresh "处理器。从该平台的代号就可以看出,它实际上并不是什么新技术,而只是去年 "Barcelo "平台的更新版--它本身已经是 Ryzen 5000 又名 "Cezanne "的更名。因此,这款六核芯片是两年前的处理器。时钟频率在 2 至 4.5 GHz 之间。名称中的 "Pro "表明这是一款具有商业功能的芯片,就像英特尔 vPro 一样。我们的 处理器比较列表可用于与其他处理器进行更广泛的比较。
CPU 基准测试结果喜忧参半。在多核性能方面,联想 ThinkPad L14 G4 AMD 表现出色,因为它接近于惠普 EliteBook 645 G9及其 Ryzen 7 的性能相近。在持续负载下,多核性能有所下降,但仍高于英特尔的竞争对手。而在单核基准测试中,英特尔笔记本电脑的优势则恰恰相反。
在电池模式下,我们检测不到 CPU 有任何节流现象。
Cinebench R15 multi sustained loop test
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 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Dell Latitude 3440 | |
Average AMD Ryzen 5 7530U | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
HP ProBook 440 G9-5Y3Z3EA | |
Average of class Office | |
Lenovo ThinkPad L14 G3 21C50030GE |
Cinebench R23 / Multi Core | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Average AMD Ryzen 5 7530U (6931 - 9347, n=8) | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average of class Office (1056 - 15743, n=123, last 2 years) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
HP ProBook 440 G9-5Y3Z3EA | |
Dell Latitude 3440 |
Cinebench R23 / Single Core | |
Dell Latitude 3440 | |
HP ProBook 440 G9-5Y3Z3EA | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (529 - 1995, n=122, last 2 years) | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average AMD Ryzen 5 7530U (1371 - 1470, n=8) | |
Lenovo ThinkPad L14 G3 21C50030GE |
Cinebench R20 / CPU (Multi Core) | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Average AMD Ryzen 5 7530U (2833 - 3655, n=8) | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average of class Office (356 - 5904, n=121, last 2 years) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
HP ProBook 440 G9-5Y3Z3EA | |
Dell Latitude 3440 |
Cinebench R20 / CPU (Single Core) | |
Dell Latitude 3440 | |
HP ProBook 440 G9-5Y3Z3EA | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average of class Office (181.3 - 764, n=121, last 2 years) | |
Average AMD Ryzen 5 7530U (528 - 574, n=8) | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G3 21C50030GE |
Cinebench R15 / CPU Multi 64Bit | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average AMD Ryzen 5 7530U (1289 - 1599, n=8) | |
Average of class Office (160.8 - 2642, n=121, last 2 years) | |
HP ProBook 440 G9-5Y3Z3EA | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Dell Latitude 3440 |
Cinebench R15 / CPU Single 64Bit | |
HP ProBook 440 G9-5Y3Z3EA | |
HP ProBook 440 G9-5Y3Z3EA | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 3440 | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average AMD Ryzen 5 7530U (213 - 237, n=8) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Average of class Office (82.6 - 284, n=119, last 2 years) |
Blender / v2.79 BMW27 CPU | |
Average of class Office (214 - 2844, n=122, last 2 years) | |
Dell Latitude 3440 | |
HP ProBook 440 G9-5Y3Z3EA | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Average AMD Ryzen 5 7530U (330 - 469, n=7) | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad T14 G3-21CF004NGE |
7-Zip 18.03 / 7z b 4 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Average AMD Ryzen 5 7530U (32204 - 42364, n=7) | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Dell Latitude 3440 | |
Average of class Office (4226 - 62349, n=122, last 2 years) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
HP ProBook 440 G9-5Y3Z3EA |
7-Zip 18.03 / 7z b 4 -mmt1 | |
Dell Latitude 3440 | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average AMD Ryzen 5 7530U (5113 - 5544, n=7) | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP ProBook 440 G9-5Y3Z3EA | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Average of class Office (2233 - 6687, n=122, last 2 years) |
Geekbench 5.5 / Multi-Core | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (1018 - 11980, n=123, last 2 years) | |
Dell Latitude 3440 | |
HP ProBook 440 G9-5Y3Z3EA | |
Average AMD Ryzen 5 7530U (5475 - 6648, n=7) | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Lenovo ThinkPad L14 G3 21C50030GE |
Geekbench 5.5 / Single-Core | |
Dell Latitude 3440 | |
HP ProBook 440 G9-5Y3Z3EA | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (510 - 1974, n=123, last 2 years) | |
Average AMD Ryzen 5 7530U (1393 - 1498, n=7) | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Lenovo ThinkPad L14 G3 21C50030GE |
HWBOT x265 Benchmark v2.2 / 4k Preset | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Average AMD Ryzen 5 7530U (8.17 - 11.6, n=7) | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average of class Office (1.55 - 17.4, n=121, last 2 years) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Dell Latitude 3440 | |
HP ProBook 440 G9-5Y3Z3EA |
LibreOffice / 20 Documents To PDF | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Average of class Office (31.3 - 117.5, n=121, last 2 years) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
HP ProBook 440 G9-5Y3Z3EA | |
Average AMD Ryzen 5 7530U (44.6 - 58.1, n=7) | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 3440 | |
Lenovo ThinkPad L14 G4 21H6S00900 |
R Benchmark 2.5 / Overall mean | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Average of class Office (0.4244 - 1.397, n=120, last 2 years) | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Average AMD Ryzen 5 7530U (0.515 - 0.567, n=7) | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP ProBook 440 G9-5Y3Z3EA | |
Dell Latitude 3440 |
* ... 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 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Average AMD Ryzen 5 7530U | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Average of class Office | |
Dell Latitude 3440 | |
HP ProBook 440 G9-5Y3Z3EA |
AIDA64 / FP32 Ray-Trace | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Average AMD Ryzen 5 7530U (8845 - 10970, n=7) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average of class Office (763 - 24250, n=121, last 2 years) | |
Dell Latitude 3440 | |
HP ProBook 440 G9-5Y3Z3EA |
AIDA64 / FPU Julia | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Average AMD Ryzen 5 7530U (57481 - 68384, n=7) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average of class Office (4027 - 102228, n=121, last 2 years) | |
Dell Latitude 3440 | |
HP ProBook 440 G9-5Y3Z3EA |
AIDA64 / CPU SHA3 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Average AMD Ryzen 5 7530U (1923 - 2323, n=7) | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Average of class Office (279 - 4442, n=120, last 2 years) | |
Dell Latitude 3440 | |
HP ProBook 440 G9-5Y3Z3EA |
AIDA64 / CPU Queen | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average AMD Ryzen 5 7530U (68103 - 78105, n=7) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Average of class Office (8031 - 113016, n=121, last 2 years) | |
HP ProBook 440 G9-5Y3Z3EA | |
Dell Latitude 3440 |
AIDA64 / FPU SinJulia | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Average AMD Ryzen 5 7530U (8277 - 9248, n=7) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average of class Office (404 - 14288, n=121, last 2 years) | |
Dell Latitude 3440 | |
HP ProBook 440 G9-5Y3Z3EA |
AIDA64 / FPU Mandel | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Average AMD Ryzen 5 7530U (31632 - 37624, n=7) | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Average of class Office (2054 - 54365, n=121, last 2 years) | |
Dell Latitude 3440 | |
HP ProBook 440 G9-5Y3Z3EA |
AIDA64 / CPU AES | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average AMD Ryzen 5 7530U (33314 - 92360, n=7) | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (5226 - 147611, n=121, last 2 years) | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Dell Latitude 3440 | |
HP ProBook 440 G9-5Y3Z3EA |
AIDA64 / CPU ZLib | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Dell Latitude 3440 | |
Average AMD Ryzen 5 7530U (503 - 612, n=7) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Average of class Office (67.6 - 1018, n=121, last 2 years) | |
HP ProBook 440 G9-5Y3Z3EA | |
Lenovo ThinkPad L14 G4 21H6S00900 |
AIDA64 / FP64 Ray-Trace | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Average AMD Ryzen 5 7530U (4593 - 5738, n=7) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average of class Office (432 - 12755, n=121, last 2 years) | |
Dell Latitude 3440 | |
HP ProBook 440 G9-5Y3Z3EA |
AIDA64 / CPU PhotoWorxx | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (4814 - 48177, n=121, last 2 years) | |
Dell Latitude 3440 | |
Average AMD Ryzen 5 7530U (9832 - 19525, n=7) | |
HP ProBook 440 G9-5Y3Z3EA | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G3 21C50030GE |
系统性能
系统性能基准测试的结果可以接受。不过,单通道内存拖慢了 ThinkPad 的运行速度,因此仍有改进的余地。在日常使用中,这一点影响不大。对于使用图形处理器的应用程序来说,它的影响最大。
CrossMark: Overall | Productivity | Creativity | Responsiveness
PCMark 10 / Score | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average AMD Ryzen 5 7530U, AMD Radeon RX Vega 7 (5686 - 6209, n=7) | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average of class Office (2325 - 7157, n=106, last 2 years) | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
HP ProBook 440 G9-5Y3Z3EA | |
Dell Latitude 3440 | |
Lenovo ThinkPad L14 G3 21C50030GE |
PCMark 10 / Essentials | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average AMD Ryzen 5 7530U, AMD Radeon RX Vega 7 (10016 - 11242, n=7) | |
Dell Latitude 3440 | |
Average of class Office (5095 - 20841, n=106, last 2 years) | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP ProBook 440 G9-5Y3Z3EA | |
Lenovo ThinkPad L14 G3 21C50030GE | |
HP EliteBook 645 G9, Ryzen 7 5825U |
PCMark 10 / Productivity | |
Average AMD Ryzen 5 7530U, AMD Radeon RX Vega 7 (8983 - 9967, n=7) | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (3041 - 10198, n=106, last 2 years) | |
HP ProBook 440 G9-5Y3Z3EA | |
Dell Latitude 3440 |
PCMark 10 / Digital Content Creation | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP ProBook 440 G9-5Y3Z3EA | |
Average of class Office (1912 - 9056, n=106, last 2 years) | |
Average AMD Ryzen 5 7530U, AMD Radeon RX Vega 7 (4941 - 6093, n=7) | |
Dell Latitude 3440 | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G3 21C50030GE |
CrossMark / Overall | |
Dell Latitude 3440 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP ProBook 440 G9-5Y3Z3EA | |
Average of class Office (348 - 1891, n=107, last 2 years) | |
Average AMD Ryzen 5 7530U, AMD Radeon RX Vega 7 (1029 - 1336, n=6) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G4 21H6S00900 |
CrossMark / Productivity | |
Dell Latitude 3440 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP ProBook 440 G9-5Y3Z3EA | |
Average of class Office (393 - 1870, n=107, last 2 years) | |
Average AMD Ryzen 5 7530U, AMD Radeon RX Vega 7 (1115 - 1370, n=6) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G4 21H6S00900 |
CrossMark / Creativity | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 3440 | |
HP ProBook 440 G9-5Y3Z3EA | |
Average of class Office (340 - 1982, n=107, last 2 years) | |
Average AMD Ryzen 5 7530U, AMD Radeon RX Vega 7 (992 - 1390, n=6) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G4 21H6S00900 |
CrossMark / Responsiveness | |
Dell Latitude 3440 | |
Average of class Office (258 - 2017, n=107, last 2 years) | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP ProBook 440 G9-5Y3Z3EA | |
Average AMD Ryzen 5 7530U, AMD Radeon RX Vega 7 (900 - 1096, n=6) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
HP EliteBook 645 G9, Ryzen 7 5825U |
PCMark 10 Score | 5736 points | |
Help |
AIDA64 / Memory Copy | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (7158 - 88119, n=122, last 2 years) | |
Dell Latitude 3440 | |
Average AMD Ryzen 5 7530U (20155 - 42853, n=7) | |
HP ProBook 440 G9-5Y3Z3EA | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Lenovo ThinkPad L14 G3 21C50030GE |
AIDA64 / Memory Read | |
Average of class Office (7325 - 87297, n=122, last 2 years) | |
Dell Latitude 3440 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average AMD Ryzen 5 7530U (23068 - 40094, n=7) | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
HP ProBook 440 G9-5Y3Z3EA | |
Lenovo ThinkPad L14 G3 21C50030GE |
AIDA64 / Memory Write | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (7579 - 94965, n=122, last 2 years) | |
Dell Latitude 3440 | |
Average AMD Ryzen 5 7530U (22954 - 41838, n=7) | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
HP ProBook 440 G9-5Y3Z3EA | |
Lenovo ThinkPad L14 G3 21C50030GE |
AIDA64 / Memory Latency | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average AMD Ryzen 5 7530U (88.1 - 110.8, n=7) | |
Lenovo ThinkPad L14 G3 21C50030GE | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Average of class Office (44.3 - 188.3, n=123, last 2 years) | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
HP ProBook 440 G9-5Y3Z3EA | |
Dell Latitude 3440 |
* ... smaller is better
DPC 延迟
在我们的 LatencyMon 测试中,联想 ThinkPad L14 G4 AMD 出现了一些 DPC 延迟问题,显然是网络驱动程序造成的。要运行实时视频和音频,应禁用网络模块。当然,这种现状可以通过驱动程序和固件更新来修正。
DPC Latencies / LatencyMon - interrupt to process latency (max), Web, Youtube, Prime95 | |
HP ProBook 440 G9-5Y3Z3EA | |
Dell Latitude 3440 | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Lenovo ThinkPad L14 G3 21C50030GE | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad T14 G3-21CF004NGE |
* ... smaller is better
大容量存储器
ThinkPad 笔记本电脑的存储空间是一块容量为 512 GB 的单面 M.2 2242 固态硬盘。固态硬盘由 Kioxia 制造,是 NVMe PCie 4.0 固态硬盘,不过由于 Ryzen 7030 平台过时,ThinkPad 只能在 PCIe 3.0 模式下使用。这意味着,虽然固态硬盘的速度并不慢,但还是损失了一些速度。与竞争对手相比,ThinkPad L14 第 4 代 AMD 表现出色,固态硬盘在负载情况下没有节流迹象。
* ... smaller is better
Sustained load read: DiskSpd Read Loop, Queue Depth 8
GPU
迚ケ谿オ譎る俣 AMD Radeon RX Vega 7是一款过时的 GPU,已在 Ryzen 5000 系列中使用。在 ThinkPad L14 Gen 4 AMD 中,它还受到出厂单通道内存的限制,进一步限制了本已较低的性能。GPU 只能用于最简单的任务和基本游戏。如果安装第二个 SO-DIMM 模块,GPU 性能将得到改善,因为这意味着内存可以在更快的双通道模式下运行。
3DMark 11 Performance | 4281 points | |
3DMark Cloud Gate Standard Score | 15595 points | |
3DMark Fire Strike Score | 2145 points | |
3DMark Time Spy Score | 885 points | |
Help |
* ... smaller is better
The Witcher 3 - 1920x1080 Ultra Graphics & Postprocessing (HBAO+) | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (2.66 - 34, n=111, last 2 years) | |
Dell Latitude 3440 | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
HP ProBook 440 G9-5Y3Z3EA | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Lenovo ThinkPad L14 G3 21C50030GE |
GTA V - 1920x1080 Highest Settings possible AA:4xMSAA + FX AF:16x | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (3.35 - 47.8, n=91, last 2 years) | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Dell Latitude 3440 |
Strange Brigade - 1920x1080 ultra AA:ultra AF:16 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (6.6 - 56.5, n=97, last 2 years) | |
Dell Latitude 3440 | |
HP EliteBook 645 G9, Ryzen 7 5825U | |
Lenovo ThinkPad L14 G4 21H6S00900 | |
Lenovo ThinkPad L14 G3 21C50030GE |
Witcher 3 FPS diagram
low | med. | high | ultra | |
GTA V (2015) | 63.6 | 56.5 | 15.6 | 6.94 |
The Witcher 3 (2015) | 38.9 | 23.8 | 11.8 | 8.22 |
Dota 2 Reborn (2015) | 97 | 69.6 | 33.5 | 31.3 |
Final Fantasy XV Benchmark (2018) | 22.5 | 11.7 | 8 | |
X-Plane 11.11 (2018) | 31.9 | 24.7 | 22.1 | |
Strange Brigade (2018) | 44.6 | 17.1 | 14.9 | 12.9 |
F1 22 (2022) | 23.4 | 20.9 | 16.5 | 12.1 |
排放:L14 G4 的风扇比 L14 G3 更活跃
噪音
与前代产品 ThinkPad L14 G3 AMD 相比,ThinkPad L14 G4 AMD 的最大风扇噪音有所降低,目前最高可达 38.3 dB(a)。设备空闲时,风扇基本处于关闭状态。正面:风扇噪音不是特别高,这在 戴尔Latitude 3440.
在 ThinkPad L14 G3 AMD 上,我们可以检测到一些线圈啸叫。
Noise Level
Idle |
| 25.2 / 25.2 / 27.3 dB(A) |
Load |
| 32.1 / 38.3 dB(A) |
| ||
30 dB silent 40 dB(A) audible 50 dB(A) loud |
||
min: , med: , max: Earthworks M23R, Arta (15 cm distance) environment noise: 25.2 dB(A) |
Lenovo ThinkPad L14 G4 21H6S00900 Vega 7, R5 7530U, Kioxia BG5 KBG5AZNT512G | Lenovo ThinkPad L14 G3 21C50030GE Vega 7, R5 PRO 5675U, Kioxia BG5 KBG5AZNT256G | Dell Latitude 3440 Iris Xe G7 80EUs, i5-1345U, Samsung PM9A1 MZVL2512HCJQ | HP EliteBook 645 G9, Ryzen 7 5825U Vega 8, R7 5825U, Kioxia BG5 KBG50ZNV512G | HP ProBook 440 G9-5Y3Z3EA Iris Xe G7 96EUs, i7-1255U, Samsung PM991 MZVLQ512HBLU | Lenovo ThinkPad T14 G3-21CF004NGE Radeon 680M, R7 PRO 6850U, Kioxia BG5 KBG5AZNV512G | |
---|---|---|---|---|---|---|
Noise | 7% | -1% | -0% | -2% | 3% | |
off / environment * | 25.2 | 24.2 4% | 23.9 5% | 27 -7% | 27 -7% | 24.2 4% |
Idle Minimum * | 25.2 | 24.2 4% | 24.4 3% | 27 -7% | 27 -7% | 24.2 4% |
Idle Average * | 25.2 | 24.2 4% | 24.4 3% | 27 -7% | 27 -7% | 24.2 4% |
Idle Maximum * | 27.3 | 28.6 -5% | 24.4 11% | 27 1% | 27 1% | 25.8 5% |
Load Average * | 32.1 | 28.6 11% | 37.1 -16% | 31 3% | 31.5 2% | 32.2 -0% |
Witcher 3 ultra * | 35.7 | 31.7 11% | 38.2 -7% | 34.1 4% | ||
Load Maximum * | 38.3 | 31.75 17% | 40.2 -5% | 32 16% | 34.9 9% | 38.8 -1% |
* ... smaller is better
热量
说联想 ThinkPad L14 Gen 4 AMD "发热 "并不恰当。我们在键盘左上方的热点测得的最高温度为 46.3 摄氏度/115 华氏度。这个区域通常在高负荷使用时不会被频繁触碰。与笔记本空闲时的情况相比,掌托确实会发热,不过掌托温度始终保持在 30 摄氏度/86 华氏度以下。
压力测试可以用两个词来概括:无节流。即使在一小时后,CPU 功耗仍保持在 20 W。
(+) The maximum temperature on the upper side is 39 °C / 102 F, compared to the average of 34.2 °C / 94 F, ranging from 21.2 to 62.5 °C for the class Office.
(-) The bottom heats up to a maximum of 46.3 °C / 115 F, compared to the average of 36.7 °C / 98 F
(+) In idle usage, the average temperature for the upper side is 25.1 °C / 77 F, compared to the device average of 29.5 °C / 85 F.
(±) Playing The Witcher 3, the average temperature for the upper side is 33.3 °C / 92 F, compared to the device average of 29.5 °C / 85 F.
(+) The palmrests and touchpad are cooler than skin temperature with a maximum of 30.3 °C / 86.5 F and are therefore cool to the touch.
(-) The average temperature of the palmrest area of similar devices was 27.7 °C / 81.9 F (-2.6 °C / -4.6 F).
Lenovo ThinkPad L14 G4 21H6S00900 AMD Ryzen 5 7530U, AMD Radeon RX Vega 7 | Lenovo ThinkPad L14 G3 21C50030GE AMD Ryzen 5 PRO 5675U, AMD Radeon RX Vega 7 | Dell Latitude 3440 Intel Core i5-1345U, Intel Iris Xe Graphics G7 80EUs | HP EliteBook 645 G9, Ryzen 7 5825U AMD Ryzen 7 5825U, AMD Radeon RX Vega 8 (Ryzen 4000/5000) | HP ProBook 440 G9-5Y3Z3EA Intel Core i7-1255U, Intel Iris Xe Graphics G7 96EUs | Lenovo ThinkPad T14 G3-21CF004NGE AMD Ryzen 7 PRO 6850U, AMD Radeon 680M | |
---|---|---|---|---|---|---|
Heat | 3% | 6% | 10% | 11% | 1% | |
Maximum Upper Side * | 39 | 40.4 -4% | 35.2 10% | 38.1 2% | 38.9 -0% | 48.2 -24% |
Maximum Bottom * | 46.3 | 45.8 1% | 41 11% | 42.3 9% | 37.4 19% | 52.8 -14% |
Idle Upper Side * | 26.3 | 28.2 -7% | 29.8 -13% | 26.4 -0% | 26.7 -2% | 24.4 7% |
Idle Bottom * | 37.5 | 28.9 23% | 32 15% | 26.8 29% | 27.8 26% | 24.5 35% |
* ... smaller is better
发言人
联想 ThinkPad L14 G4 AMD 的上扬声器发出的声音响度一般,缺乏底气。对于办公环境来说,它们是可以接受的扬声器,但仅此而已。
Lenovo ThinkPad L14 G4 21H6S00900 audio analysis
(±) | speaker loudness is average but good (78.5 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 22% lower than median
(±) | linearity of bass is average (12% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 4.6% away from median
(+) | mids are linear (4.7% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2% away from median
(+) | highs are linear (4.4% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (20.1% difference to median)
Compared to same class
» 36% of all tested devices in this class were better, 11% similar, 52% worse
» The best had a delta of 7%, average was 22%, worst was 53%
Compared to all devices tested
» 46% of all tested devices were better, 8% similar, 45% worse
» The best had a delta of 4%, average was 25%, worst was 134%
HP EliteBook 645 G9, Ryzen 7 5825U audio analysis
(±) | speaker loudness is average but good (76 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 33.9% lower than median
(±) | linearity of bass is average (9.3% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 4.7% away from median
(±) | linearity of mids is average (7.5% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 3.4% away from median
(+) | highs are linear (3.8% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (24% difference to median)
Compared to same class
» 65% of all tested devices in this class were better, 10% similar, 24% worse
» The best had a delta of 7%, average was 22%, 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%
能源管理:功耗低,电池寿命长
耗电量
与前代产品相比,至少在空转时耗电量较低。在负载情况下,情况则发生了逆转。总体而言,与其他经济型笔记本电脑相比,ThinkPad L14G4 AMD 的能效相当高,但与 ThinkPad T14 G3配备 Ryzen 7 Pro 6850U 的 ThinkPad T14 G3 的效率更高。
在最大功率下,ThinkPad L14G4 AMD 的耗电量为 61.3 W,对于 65 W 的充电器来说并不吃力。
Off / Standby | 0.5 / 0.6 Watt |
Idle | 3.5 / 7.2 / 7.6 Watt |
Load |
32.2 / 61.3 Watt |
Lenovo ThinkPad L14 G4 21H6S00900 R5 7530U, Vega 7, Kioxia BG5 KBG5AZNT512G, IPS LED, 1920x1080, 14.00 | Lenovo ThinkPad L14 G3 21C50030GE R5 PRO 5675U, Vega 7, Kioxia BG5 KBG5AZNT256G, IPS, 1920x1080, 14.00 | Dell Latitude 3440 i5-1345U, Iris Xe G7 80EUs, Samsung PM9A1 MZVL2512HCJQ, IPS, 1920x1080, 14.00 | HP EliteBook 645 G9, Ryzen 7 5825U R7 5825U, Vega 8, Kioxia BG5 KBG50ZNV512G, IPS, 1920x1080, 14.00 | HP ProBook 440 G9-5Y3Z3EA i7-1255U, Iris Xe G7 96EUs, Samsung PM991 MZVLQ512HBLU, , 1920x1080, 14.00 | Lenovo ThinkPad T14 G3-21CF004NGE R7 PRO 6850U, Radeon 680M, Kioxia BG5 KBG5AZNV512G, IPS, 1920x1200, 14.00 | Average AMD Radeon RX Vega 7 | Average of class Office | |
---|---|---|---|---|---|---|---|---|
Power Consumption | 2% | -16% | 8% | -19% | 10% | -12% | -13% | |
Idle Minimum * | 3.5 | 4.8 -37% | 3.7 -6% | 3.8 -9% | 5.1 -46% | 2.4 31% | 4.66 ? -33% | 4.3 ? -23% |
Idle Average * | 7.2 | 7.7 -7% | 6.5 10% | 5.3 26% | 7.4 -3% | 5.3 26% | 7.56 ? -5% | 7.34 ? -2% |
Idle Maximum * | 7.6 | 8.5 -12% | 9.5 -25% | 7 8% | 8.4 -11% | 5.6 26% | 8.95 ? -18% | 9.13 ? -20% |
Load Average * | 32.2 | 27.4 15% | 46.9 -46% | 34 -6% | 42.6 -32% | 39.7 -23% | 38.7 ? -20% | 41 ? -27% |
Witcher 3 ultra * | 35.7 | 32 10% | 42.1 -18% | 33.8 5% | 42.3 -18% | 42.8 -20% | ||
Load Maximum * | 61.3 | 36.5 40% | 67 -9% | 45.7 25% | 64 -4% | 50.6 17% | 51.9 ? 15% | 58 ? 5% |
* ... smaller is better
Power consumption Witcher 3 / stress test
Power consumption with external monitor
电池寿命
ThinkPad Gen 4 AMD 有三种内置电池可供选择。我们的设备配有 57 Wh 电池,这是中间的选项。此外,还有 46.5 Wh 和 63 Wh 电池可供选择。
结合低功耗屏幕,ThinkPad L14 第 4 代 AMD 的电池续航能力非常出色。在 WiFi 测试(屏幕亮度为 150 cd/m²)中,续航时间为 13 小时 34 分钟;在 WiFi 测试(屏幕亮度为最大值)中,续航时间为 11 小时 10 分钟。
Lenovo ThinkPad L14 G4 21H6S00900 R5 7530U, Vega 7, 57 Wh | Lenovo ThinkPad L14 G3 21C50030GE R5 PRO 5675U, Vega 7, 57 Wh | Dell Latitude 3440 i5-1345U, Iris Xe G7 80EUs, 54 Wh | HP EliteBook 645 G9, Ryzen 7 5825U R7 5825U, Vega 8, 51.3 Wh | HP ProBook 440 G9-5Y3Z3EA i7-1255U, Iris Xe G7 96EUs, 42 Wh | Lenovo ThinkPad T14 G3-21CF004NGE R7 PRO 6850U, Radeon 680M, 52.5 Wh | Average of class Office | |
---|---|---|---|---|---|---|---|
Battery Runtime | 16% | -35% | -3% | -58% | -3% | 14% | |
WiFi v1.3 | 814 | 795 -2% | 528 -35% | 592 -27% | 344 -58% | 772 -5% | 592 ? -27% |
Load | 76 | 101 33% | 93 22% | 76 0% | 117.7 ? 55% |
Pros
Cons
结论联想 ThinkPad L14 G4 AMD 是一款物美价廉的工作利器
背光键盘、IPS 屏幕,这些功能在联想经济型 ThinkPad L 系列中已经很久没有出现过了。现在,它们成为了可选项,低功耗屏幕也是如此,作为经济型系列的首款产品,联想 ThinkPad L14 第 4 代 AMD 可以对其进行测试。
这就解决了前代产品的一个核心批评点,即屏幕不好,至少对于这个特定的变体来说是这样。不过,低功耗屏幕也并非完美无缺,它所使用的面板响应时间较差,但与低亮度或低色域相比,这对于办公笔记本电脑来说并不是什么大问题。
除了显示屏之外,ThinkPad L14 4 代 AMD 与ThinkPad L14 第 3 代 AMD.机箱、输入设备和连接选项没有变化,这三个方面都非常好(输入设备、连接)到不错(机箱)。与更昂贵的机型相比,机箱在材质和稳定性方面略有下降。ThinkPad L14 G4 AMD 的电池续航时间非常不错。
一个明显的弱点是平台过时。Ryzen 7030U 虽然有了新名字,但基本上还是 Ryzen 5000。这意味着没有 USB4、DDR5 内存和 PCIe 4.0。单通道内存也影响了性能,但用户可以通过添加第二个内存模块轻松解决这个问题。一个小问题是,L14 G4 使用的是 M.2 2242 SSD 尺寸,限制了升级选择。另一方面,两个内存插槽使 ThinkPad L14 默认成为可升级性最强的 14 英寸 ThinkPad。
电池续航时间长,可升级:联想ThinkPad L14 G4 AMD是低价位笔记本电脑中的佼佼者。
总而言之,我们认为联想ThinkPad L14 G4 AMD是一款非常可靠的工作设备,价格也比较实惠。较低的价格意味着它没有采用一些较新的技术,机箱所用材料也不如其他 ThinkPad 那样优质,但它在办公室里的表现还是不错的。
另一种选择是戴尔Latitude 3440.这款基于英特尔的竞争对手拥有更高的单核性能,但如果用户选择戴尔,就必须放弃第二个 USB C 端口和 microSD 插槽。
定价和可用性
我们评测过的联想 ThinkPad L14 Gen 4 AMD 型号 21H6S00900,是德国联想教育计划中针对学生的特别机型。它在 Campuspoint 的售价为 700 欧元。
Lenovo ThinkPad L14 G4 21H6S00900
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08/09/2023 v7
Benjamin Herzig
Transparency
The present review sample was made available to the author as a loan by the manufacturer or a shop for the purposes of review. The lender had no influence on this review, nor did the manufacturer receive a copy of this review before publication. There was no obligation to publish this review.