联想 ThinkPad T14 G4 AMD 笔记本电脑评测:小巧的 ThinkPad 中的 Ryzen 功能
联想 Thinkpad T14 Gen 4 是一款面向大型企业客户的中端商务笔记本电脑。这类笔记本电脑买家看重的是长期稳定性、安全性和质量。当然,性能、电池续航时间和输入设备以及连接选项等方面也同样重要。
联想提供两种型号的 ThinkPad T14 G4:英特尔 13 代或 AMD Ryzen 7000。我们已经测试过英特尔型号的 T14 G4 。今天,轮到 AMD 变体了。
潜在的竞争对手比较
Rating | Date | Model | Weight | Height | Size | Resolution | Best Price |
---|---|---|---|---|---|---|---|
90.4 % | 12/2023 | Lenovo ThinkPad T14 G4 21K4S02000 R7 PRO 7840U, Radeon 780M | 1.5 kg | 17.9 mm | 14.00" | 1920x1200 | |
88.5 % | 09/2023 | Lenovo ThinkPad T14 G4 21HD0043GE i5-1335U, Iris Xe G7 80EUs | 1.4 kg | 17.9 mm | 14.00" | 1920x1200 | |
90.5 % | 09/2023 | HP EliteBook 845 G10 5Z4X0ES R7 7840U, Radeon 780M | 1.5 kg | 17.9 mm | 14.00" | 1920x1200 | |
90.3 % | 07/2023 | Dell Latitude 7440 i5-1345U, Iris Xe G7 80EUs | 1.2 kg | 17.95 mm | 14.00" | 2560x1600 | |
88.8 % | 09/2022 | Lenovo ThinkPad T14 G3-21CF004NGE R7 PRO 6850U, Radeon 680M | 1.4 kg | 17.9 mm | 14.00" | 1920x1200 |
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底盘:塑料外壳有点吱吱作响
联想采用了 联想 ThinkPad T14 第 3 代没有任何变化。从质量上看,深灰色的 ThinkPad T14 G4 的定位低于 ThinkPad T14s G4,但高于 ThinkPad L14 G4.整个外壳由塑料制成,表面有一层黑色磨砂涂层;内部有一个镁合金框架。这使得 ThinkPad 笔记本电脑非常坚固,但与全金属笔记本电脑相比,机身硬度较低。
这台设备有一个非常恼人的方面:设备右前角有一点吱吱作响。而同样结构的联想 ThinkPad T14 G4 Intel 却没有出现这种情况。联想应该能更好地控制这种质量差异。
质量较高的是带有银色金属盖的下拉式铰链,它们不会晃动。单手打开屏幕是不可能的。ThinkPad 的最大打开角度为 180 度。
联想 ThinkPad T14 G4 与惠普的 EliteBook 845 G10.与 戴尔Latitude 7440 和 ThinkPad T14s G4 相比 ,它的重量稍重。在尺寸方面,这四款商务机型不相上下,只有戴尔略微小巧一些。
连接性带 RJ45 接口的 ThinkPad 笔记本电脑
联想 ThinkPad T14 的一个显著特点是配备了 RJ45 以太网端口,这在目前的笔记本电脑上已是罕见的标准配置。这使该机型有别于 ThinkPad T14s G4的区别。与该系列相比,ThinkPad T14 G4 AMD 只配备了一个 USB4 端口。这与 ThinkPad T14 G4 英特尔一样,拥有两个 Thunderbolt 4 端口。
交流
联想使用高通 WCN685x 作为 AMD ThinkPads 的主要通信解决方案。这个 2x2 模块支持 WiFi 6E 标准,在 6 GHz 频谱下也能提供很高的传输速率。
作为 WiFi 的替代方案,还提供千兆以太网端口。此外,联想 ThinkPad T14 G4 还可选配 4G LTE。评测机可进行 WWAN 升级。
网络摄像头
联想将网络摄像头的分辨率从 1080p 升级到了 500 万像素。在理想的光线条件下,画面确实明显更清晰。在较暗的光线下,图像质量会迅速下降。智能手机的摄像头还是要好得多。
安全
企业笔记本电脑以其广泛的安全功能而闻名。联想 ThinkPad T14 G4 就是一个很好的例子:除了 Kensington 锁插槽外,评测设备还配备了专用的 TPM 2.0 芯片。为了实现快速、安全的登录,联想为 ThinkPad 配备了指纹识别器和用于 Windows Hello 的红外摄像头。此外,网络摄像头还配备了机械式隐私快门。
配件
除了 65 W USB C 充电器外,包装盒中没有其他设备。
维护
与其他类别的设备相比,商务笔记本电脑几乎总是更容易打开和维修。背面和侧面总共有七颗十字螺丝和几个夹子。拧松螺丝后,ThinkPad T14 Gen 4 的内部结构就显露出来了。遗憾的是,升级该机型的方法并不多。AMD 机型的内存始终焊接在下面,而英特尔机型则不同。WiFi 芯片也是板载的。只有固态硬盘可以升级,还有一个开放式的 M.2 2242 插槽,可用于选配 WWAN 模块。电池只需用螺丝拧紧,散热系统可以轻松清洁。
该机型还有一个如今很少见的特殊功能:用户可更换键盘。这是与其他更薄的 ThinkPad 的重要区别。键盘是一个消耗性部件,因此可以轻松更换是非常有用的。
保修
此次评测的笔记本电脑是一款专为学生设计的机型,保修期为三年,提供现场服务和顶级支持,内置电池的保修期也更长。保修期为三年,可选择升级到五年。此款德国机型仅在德国提供现场服务和顶级支持。在国际上,则提供上门服务。
输入设备没有缺陷的 ThinkPad
键盘
与上一代产品相比,联想没有改变输入设备。总的来说,这意味着带有 1.5 毫米行程和微凹按键的 Chiclet 键盘采用了 ThinkPad 的典型布局,并带有两级 LED 键灯。这种布局的好处之一是方向键间距适中。另一方面,FN/Ctrl 键的排列方式对许多用户来说并不常见。光滑按键的打字手感非常好,虽然不像以前那么豪华。尽管如此,它仍然是市场上最好的笔记本键盘之一。
触摸板
与键盘一样,触摸板和 TrackPoint 也没有变化。触摸板采用塑料表面,尺寸略低于平均水平,集成了点击机制,但实际上只有下半部可以点击。触摸板足够光滑,手指可以毫不费力地滑动,但也非常容易脏污。主观上的质量感觉与玻璃触摸板不太一样。不过点击机构非常出色,没有任何晃动。同样优质的还有红色的 TrackPoint,它可以与触摸板上方的专用鼠标键一起使用。用户只需按压橡胶盖即可轻松控制鼠标,专用按键既安静又顺滑。总而言之,这些都是非常出色的输入设备,能让用户获得愉悦的工作体验。
显示屏:众所周知的低功耗面板
当涉及到 ThinkPad 笔记本电脑的屏幕选项时,买家有很多选择。联想 ThinkPad T14 Gen 4 AMD 也是如此,有六种不同的面板可供选择。屏幕尺寸均为 14 英寸,格式为 16:10。
- WUXGA (1,920 x 1,200), IPS, 300 cd/m², 45 % NTSC, 雾面
- WUXGA(1,920 x 1,200),IPS,300 cd/m²,45 % NTSC,亚光,On-Cell 触摸屏
- WUXGA(1,920 x 1,200),IPS,400 cd/m²,72 % NTSC,亚光,低功耗
- WUXGA(1,920 x 1,200),IPS,500 cd/m²,72 % NTSC,亚光,On-Cell Touch,隐私保护装置
- 2.2K(2,240 x 1,400),IPS,300 cd/m²,72 % NTSC,哑光
- 2.8K(2,880 x 1,800),OLED,400 cd/m²,100 % DCI P3,半光泽,杜比视界
对于个人用户来说,我们评测的这款低功耗面板可能是最受欢迎、最全面的选择。该面板的平均亮度为 379 cd/m²,仅勉强达到 400 cd/m² 的目标。最高亮度为 398 cd/m²,几乎达到了要求。与其他商用笔记本电脑相比,只有 戴尔Latitude 7440的 WQXGA 屏幕亮度更高。
|
Brightness Distribution: 90 %
Center on Battery: 398 cd/m²
Contrast: 1730:1 (Black: 0.23 cd/m²)
ΔE Color 1.3 | 0.5-29.43 Ø5, calibrated: 1.2
ΔE Greyscale 1.4 | 0.57-98 Ø5.3
69.4% AdobeRGB 1998 (Argyll 2.2.0 3D)
97.8% sRGB (Argyll 2.2.0 3D)
67.1% Display P3 (Argyll 2.2.0 3D)
Gamma: 2.26
Lenovo ThinkPad T14 G4 21K4S02000 MNE007JA1-1, IPS LED, 1920x1200, 14.00 | Lenovo ThinkPad T14 G4 21HD0043GE B140UAN02.1, IPS-AHVA LTPS wLED, 1920x1200, 14.00 | HP EliteBook 845 G10 5Z4X0ES CMN1435, IPS, 1920x1200, 14.00 | Dell Latitude 7440 AU Optronics B140QAX, IPS, 2560x1600, 14.00 | Lenovo ThinkPad T14 G3-21CF004NGE LP140WU1-SPB2, IPS, 1920x1200, 14.00 | |
---|---|---|---|---|---|
Display | 8% | 4% | 8% | 2% | |
Display P3 Coverage | 67.1 | 74.8 11% | 70.6 5% | 75.4 12% | 69.2 3% |
sRGB Coverage | 97.8 | 98.9 1% | 100 2% | 99.9 2% | 97.4 0% |
AdobeRGB 1998 Coverage | 69.4 | 76.7 11% | 72.4 4% | 76.2 10% | 71.5 3% |
Response Times | -28% | -29% | -35% | 8% | |
Response Time Grey 50% / Grey 80% * | 38.4 ? | 48.3 ? -26% | 59.7 ? -55% | 56 ? -46% | 41.4 ? -8% |
Response Time Black / White * | 25.1 ? | 32.6 ? -30% | 25.5 ? -2% | 30.8 ? -23% | 19.2 ? 24% |
PWM Frequency | |||||
Screen | -95% | -21% | -66% | -22% | |
Brightness middle | 398 | 376 -6% | 409 3% | 517.3 30% | 451 13% |
Brightness | 379 | 369 -3% | 391 3% | 488 29% | 435 15% |
Brightness Distribution | 90 | 86 -4% | 92 2% | 88 -2% | 94 4% |
Black Level * | 0.23 | 0.23 -0% | 0.27 -17% | 0.34 -48% | 0.21 9% |
Contrast | 1730 | 1635 -5% | 1515 -12% | 1521 -12% | 2148 24% |
Colorchecker dE 2000 * | 1.3 | 4.3 -231% | 2.3 -77% | 3.3 -154% | 2.4 -85% |
Colorchecker dE 2000 max. * | 3.1 | 9.9 -219% | 4.4 -42% | 7.81 -152% | 4.1 -32% |
Colorchecker dE 2000 calibrated * | 1.2 | 1.6 -33% | 0.9 25% | 1.02 15% | 1.3 -8% |
Greyscale dE 2000 * | 1.4 | 6.4 -357% | 2.4 -71% | 5.6 -300% | 3.3 -136% |
Gamma | 2.26 97% | 2.24 98% | 2.06 107% | 2.37 93% | 2.13 103% |
CCT | 6448 101% | 6019 108% | 6293 103% | 6804 96% | 6848 95% |
Total Average (Program / Settings) | -38% /
-64% | -15% /
-17% | -31% /
-46% | -4% /
-12% |
* ... smaller is better
出厂时,我们测得的 Colorchecker deltaE 值较低,为 1.3,这表明该面板的色彩准确度很高。在使用 X-Rite i1 Pro 3 和 X-Rite i1 Profiler 校准时,我们只能将其略微降至 1.2,正如我们的 Calman 测量结果所示。
联想 ThinkPad T14 G4 的低功耗面板几乎完全覆盖了 sRGB 色域,因此适用于简单的照片编辑。
在室外,联想笔记本电脑的屏幕非常好用。磨砂屏幕表面最大限度地减少了反光。加上良好的屏幕亮度,即使在明亮的环境中,用户也能看清显示的内容。只有阳光直射可能是个挑战。
Display Response Times
↔ Response Time Black to White | ||
---|---|---|
25.1 ms ... rise ↗ and fall ↘ combined | ↗ 11.5 ms rise | |
↘ 13.6 ms fall | ||
The screen shows relatively slow response rates in our tests and may be too slow for gamers. In comparison, all tested devices range from 0.1 (minimum) to 240 (maximum) ms. » 55 % of all devices are better. This means that the measured response time is worse than the average of all tested devices (21.5 ms). | ||
↔ Response Time 50% Grey to 80% Grey | ||
38.4 ms ... rise ↗ and fall ↘ combined | ↗ 18 ms rise | |
↘ 20.4 ms fall | ||
The screen shows slow response rates in our tests and will be unsatisfactory for gamers. In comparison, all tested devices range from 0.2 (minimum) to 636 (maximum) ms. » 52 % of all devices are better. This means that the measured response time is worse than the average of all tested devices (33.7 ms). |
Screen Flickering / PWM (Pulse-Width Modulation)
Screen flickering / PWM not detected | |||
In comparison: 53 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 17903 (minimum: 5 - maximum: 3846000) Hz was measured. |
性能:Ryzen 在多核性能上击败酷睿 i 毫不费力
联想为 ThinkPad T14 Gen 4 AMD 提供了两种不同的 CPU 选择:这两款CPU AMD Ryzen Pro 5 7540U和 Ryzen Pro 7 7840U.根据所选 CPU 的不同,GPU 可以是 AMD Radeon 740M或 Radeon 780M.
这款 ThinkPad 机型的内存始终是焊接下来的。联想在板上安装了 8 GB LPDDR5-6400 或 16 至 32 GB LPDDRX-6400。对于单个 M.2 2280 SSD 插槽,出厂时的最大容量为 2 TB。
测试条件
与 ThinkPads 的一贯做法一样,联想使用内置的 Windows 电源管理解决方案来调节能源设置。这些设置会影响性能、功耗以及风扇噪音和温度等方面,因为它们设置了功率限制。这些是 CPU 的功耗限制。功率极限 1 (PL1) 代表持续负载下的功耗,而功率极限 2 (PL2) 则描述了短期提升性能时的最大功耗。
- 最佳电池寿命:PL1 12 瓦/PL2 12 瓦
- 平衡:PL1 24 瓦 / PL2 26.5 瓦
- 最佳性能:PL1 27.5 瓦 / PL2 32.5 瓦
处理器
......(英文 AMD Ryzen Pro 7 7840U是 AMD 代号为 Phoenix 的 2023 代 Zen 4 处理器。这款 Ryzen 芯片有 8 个内核和最多 16 个线程,时钟频率在 3.3 至 5.1 GHz 之间。要与其他 CPU 进行广泛比较,我们提供了 CPU 列表.
与前代产品的直接比较 联想 ThinkPad T14 第 3 代 AMD的直接对比显示,其性能明显提高了约 20%。更薄的 ThinkPad T14s G4与 T14 G4 AMD 相比并不尽如人意,但差距也不大,超薄机型的性能降低了 4%。惠普 惠普 EliteBook 845 G10与我们评测的笔记本电脑性能相当。在多核性能方面,英特尔absed机型远远落后,只有在单核性能方面具有竞争力。
在电池模式下,CPU 能够充分发挥其性能潜力,不会出现任何人为的节流现象。
Cinebench R15 multi sustained performance
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 AMD Ryzen 7 PRO 7840U | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Lenovo ThinkPad T14s G4-21F8002TGE | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Average of class Office |
Cinebench R23 / Multi Core | |
Average AMD Ryzen 7 PRO 7840U (12929 - 15142, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14s G4-21F8002TGE | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Average of class Office (1056 - 15743, n=123, last 2 years) |
Cinebench R23 / Single Core | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Lenovo ThinkPad T14s G4-21F8002TGE | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Average AMD Ryzen 7 PRO 7840U (1703 - 1747, n=4) | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (529 - 1995, n=122, last 2 years) |
Cinebench R20 / CPU (Multi Core) | |
Average AMD Ryzen 7 PRO 7840U (4970 - 5981, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14s G4-21F8002TGE | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Dell Latitude 7440 | |
Average of class Office (356 - 5904, n=121, last 2 years) |
Cinebench R20 / CPU (Single Core) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Lenovo ThinkPad T14s G4-21F8002TGE | |
Average AMD Ryzen 7 PRO 7840U (652 - 684, n=4) | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Dell Latitude 7440 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (181.3 - 764, n=121, last 2 years) |
Cinebench R15 / CPU Multi 64Bit | |
Average AMD Ryzen 7 PRO 7840U (2014 - 2418, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14s G4-21F8002TGE | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Average of class Office (160.8 - 2642, n=121, last 2 years) |
Cinebench R15 / CPU Single 64Bit | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Lenovo ThinkPad T14s G4-21F8002TGE | |
Average AMD Ryzen 7 PRO 7840U (263 - 273, n=4) | |
HP EliteBook 845 G10 5Z4X0ES | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
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) | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Lenovo ThinkPad T14s G4-21F8002TGE | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Average AMD Ryzen 7 PRO 7840U (217 - 248, n=4) |
7-Zip 18.03 / 7z b 4 | |
Average AMD Ryzen 7 PRO 7840U (57056 - 62320, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14s G4-21F8002TGE | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Average of class Office (4226 - 62349, n=122, last 2 years) |
7-Zip 18.03 / 7z b 4 -mmt1 | |
Lenovo ThinkPad T14s G4-21F8002TGE | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Average AMD Ryzen 7 PRO 7840U (5633 - 5988, n=4) | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 7440 | |
Average of class Office (2233 - 6687, n=122, last 2 years) |
Geekbench 5.5 / Multi-Core | |
Average AMD Ryzen 7 PRO 7840U (9663 - 10920, n=4) | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Lenovo ThinkPad T14s G4-21F8002TGE | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Average of class Office (1018 - 11980, n=123, last 2 years) |
Geekbench 5.5 / Single-Core | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Average AMD Ryzen 7 PRO 7840U (1740 - 1881, n=4) | |
Lenovo ThinkPad T14s G4-21F8002TGE | |
HP EliteBook 845 G10 5Z4X0ES | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (510 - 1974, n=123, last 2 years) |
HWBOT x265 Benchmark v2.2 / 4k Preset | |
Average AMD Ryzen 7 PRO 7840U (15.9 - 17.8, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14s G4-21F8002TGE | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Average of class Office (1.55 - 17.4, n=121, last 2 years) |
LibreOffice / 20 Documents To PDF | |
Average of class Office (31.3 - 117.5, n=121, last 2 years) | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Average AMD Ryzen 7 PRO 7840U (46.9 - 52, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14s G4-21F8002TGE | |
Dell Latitude 7440 |
R Benchmark 2.5 / Overall mean | |
Average of class Office (0.4244 - 1.397, n=120, last 2 years) | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
HP EliteBook 845 G10 5Z4X0ES | |
Average AMD Ryzen 7 PRO 7840U (0.4658 - 0.4807, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Lenovo ThinkPad T14s G4-21F8002TGE |
* ... 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 AMD Ryzen 7 PRO 7840U | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 7440 | |
Average of class Office | |
Lenovo ThinkPad T14 G4 21HD0043GE |
AIDA64 / FP32 Ray-Trace | |
Average AMD Ryzen 7 PRO 7840U (20130 - 23889, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 7440 | |
Average of class Office (763 - 24250, n=121, last 2 years) | |
Lenovo ThinkPad T14 G4 21HD0043GE |
AIDA64 / FPU Julia | |
Average AMD Ryzen 7 PRO 7840U (84324 - 100087, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (4027 - 102228, n=121, last 2 years) | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE |
AIDA64 / CPU SHA3 | |
Average AMD Ryzen 7 PRO 7840U (3970 - 4394, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 7440 | |
Average of class Office (279 - 4442, n=120, last 2 years) | |
Lenovo ThinkPad T14 G4 21HD0043GE |
AIDA64 / CPU Queen | |
Average AMD Ryzen 7 PRO 7840U (95384 - 110151, n=4) | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (8031 - 113016, n=121, last 2 years) | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE |
AIDA64 / FPU SinJulia | |
Average AMD Ryzen 7 PRO 7840U (12858 - 14151, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (404 - 14288, n=121, last 2 years) | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE |
AIDA64 / FPU Mandel | |
Average AMD Ryzen 7 PRO 7840U (44731 - 53280, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (2054 - 54365, n=121, last 2 years) | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE |
AIDA64 / CPU AES | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Average AMD Ryzen 7 PRO 7840U (72766 - 142329, n=4) | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (5226 - 147611, n=121, last 2 years) | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE |
AIDA64 / CPU ZLib | |
Average AMD Ryzen 7 PRO 7840U (858 - 1004, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Average of class Office (67.6 - 1018, n=121, last 2 years) |
AIDA64 / FP64 Ray-Trace | |
Average AMD Ryzen 7 PRO 7840U (10555 - 12540, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 7440 | |
Average of class Office (432 - 12755, n=121, last 2 years) | |
Lenovo ThinkPad T14 G4 21HD0043GE |
AIDA64 / CPU PhotoWorxx | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Average AMD Ryzen 7 PRO 7840U (33564 - 38442, n=4) | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (4814 - 48177, n=121, last 2 years) | |
Lenovo ThinkPad T14 G4 21HD0043GE |
系统性能
联想 ThinkPad T14 G4 AMD 在系统性能对比中名列前茅。在日常性能方面也毫无怨言。
CrossMark: Overall | Productivity | Creativity | Responsiveness
WebXPRT 3: Overall
WebXPRT 4: Overall
Mozilla Kraken 1.1: Total
PCMark 10 / Score | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Average AMD Ryzen 7 PRO 7840U, AMD Radeon 780M (6628 - 7012, n=4) | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Average of class Office (2325 - 7157, n=106, last 2 years) |
PCMark 10 / Essentials | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Dell Latitude 7440 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Average AMD Ryzen 7 PRO 7840U, AMD Radeon 780M (10055 - 10934, n=4) | |
Average of class Office (5095 - 20841, n=106, last 2 years) | |
Lenovo ThinkPad T14 G3-21CF004NGE |
PCMark 10 / Productivity | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Average AMD Ryzen 7 PRO 7840U, AMD Radeon 780M (8921 - 9933, n=4) | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (3041 - 10198, n=106, last 2 years) | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Dell Latitude 7440 |
PCMark 10 / Digital Content Creation | |
Average AMD Ryzen 7 PRO 7840U, AMD Radeon 780M (8575 - 8874, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Average of class Office (1912 - 9056, n=106, last 2 years) |
CrossMark / Overall | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Average AMD Ryzen 7 PRO 7840U, AMD Radeon 780M (1533 - 1669, n=4) | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (348 - 1891, n=107, last 2 years) |
CrossMark / Productivity | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Average AMD Ryzen 7 PRO 7840U, AMD Radeon 780M (1461 - 1624, n=4) | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (393 - 1870, n=107, last 2 years) |
CrossMark / Creativity | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Average AMD Ryzen 7 PRO 7840U, AMD Radeon 780M (1697 - 1824, n=4) | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (340 - 1982, n=107, last 2 years) |
CrossMark / Responsiveness | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Average AMD Ryzen 7 PRO 7840U, AMD Radeon 780M (1049 - 1389, n=4) | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Average of class Office (258 - 2017, n=107, last 2 years) | |
Lenovo ThinkPad T14 G3-21CF004NGE |
WebXPRT 3 / Overall | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
HP EliteBook 845 G10 5Z4X0ES | |
Average AMD Ryzen 7 PRO 7840U, AMD Radeon 780M (259 - 317, n=4) | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Average of class Office (99.2 - 368, n=108, last 2 years) | |
Lenovo ThinkPad T14 G3-21CF004NGE |
WebXPRT 4 / Overall | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
HP EliteBook 845 G10 5Z4X0ES | |
Average AMD Ryzen 7 PRO 7840U, AMD Radeon 780M () | |
Average of class Office (80 - 328, n=96, last 2 years) | |
Lenovo ThinkPad T14 G3-21CF004NGE |
Mozilla Kraken 1.1 / Total | |
Average of class Office (479 - 1966, n=113, last 2 years) | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average AMD Ryzen 7 PRO 7840U, AMD Radeon 780M (526 - 571, n=4) | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21K4S02000 |
* ... smaller is better
PCMark 10 Score | 6973 points | |
Help |
AIDA64 / Memory Copy | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Average AMD Ryzen 7 PRO 7840U (66487 - 67856, n=4) | |
HP EliteBook 845 G10 5Z4X0ES | |
Dell Latitude 13 7340 i5-1345U | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (7158 - 88119, n=122, last 2 years) | |
Lenovo ThinkPad T14 G4 21HD0043GE |
AIDA64 / Memory Read | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Average AMD Ryzen 7 PRO 7840U (47725 - 50543, n=4) | |
Dell Latitude 13 7340 i5-1345U | |
Average of class Office (7325 - 87297, n=122, last 2 years) | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Lenovo ThinkPad T14 G4 21HD0043GE |
AIDA64 / Memory Write | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Average AMD Ryzen 7 PRO 7840U (89477 - 94965, n=4) | |
HP EliteBook 845 G10 5Z4X0ES | |
Dell Latitude 13 7340 i5-1345U | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Average of class Office (7579 - 94965, n=122, last 2 years) | |
Lenovo ThinkPad T14 G4 21HD0043GE |
AIDA64 / Memory Latency | |
Average AMD Ryzen 7 PRO 7840U (131 - 138.9, n=4) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Dell Latitude 13 7340 i5-1345U | |
Average of class Office (44.3 - 188.3, n=123, last 2 years) | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G4 21HD0043GE |
* ... smaller is better
DPC 延迟
联想 ThinkPad T14 G4 AMD 存在一些 DPC 延迟问题,但没有英特尔同款机型那么明显。对于实时音频/视频编辑来说,这仍然是一个问题。不过,这种情况随时可能因 BIOS 更新而发生变化。
DPC Latencies / LatencyMon - interrupt to process latency (max), Web, Youtube, Prime95 | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Dell Latitude 7440 | |
HP EliteBook 845 G10 5Z4X0ES | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
Lenovo ThinkPad T14 G4 21K4S02000 |
* ... smaller is better
大容量存储器
这里使用的三星 PM9A1a 固态硬盘性能卓越。M.2 2280 固态硬盘容量为 1 TB,通过快速 PCIe 4.0 NVMe 标准连接。
* ... smaller is better
Sustained load read: DiskSpd Read Loop, Queue Depth 8
GPU
迚ケ谿オ譎る俣 AMD Radeon 780M是 Windows 世界中速度最快的 iGPU 解决方案之一。与英特尔较早的 iGPU Xe GPU 的区别显而易见:AMD Radeon 780M 是目前 Windows 世界中速度最快的 iGPU 解决方案之一。 戴尔Latitude 7440在 3DMark 基准测试中得分降低了 46%。在游戏基准测试中也是如此。值得注意的是,老款 Radeon 680MRadeon 680M 在 Ryzen 6000 系列中的性能几乎没有下降,大约只有 4% 至 5%。
3DMark 11 Performance | 10734 points | |
3DMark Cloud Gate Standard Score | 32669 points | |
3DMark Fire Strike Score | 6665 points | |
3DMark Time Spy Score | 2847 points | |
Help |
Performance Rating - Percent | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 845 G10 5Z4X0ES | |
Average of class Office | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE |
The Witcher 3 - 1920x1080 Ultra Graphics & Postprocessing (HBAO+) | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 845 G10 5Z4X0ES | |
Average of class Office (2.66 - 34, n=111, last 2 years) | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE |
GTA V - 1920x1080 Highest Settings possible AA:4xMSAA + FX AF:16x | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 845 G10 5Z4X0ES | |
Average of class Office (3.35 - 47.8, n=91, last 2 years) | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE |
Final Fantasy XV Benchmark - 1920x1080 High Quality | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 845 G10 5Z4X0ES | |
Dell Latitude 7440 | |
Average of class Office (2.03 - 35.7, n=103, last 2 years) | |
Lenovo ThinkPad T14 G4 21HD0043GE |
Strange Brigade - 1920x1080 ultra AA:ultra AF:16 | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 845 G10 5Z4X0ES | |
Average of class Office (6.6 - 56.5, n=97, last 2 years) | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE |
Dota 2 Reborn - 1920x1080 ultra (3/3) best looking | |
Lenovo ThinkPad T14 G4 21K4S02000 | |
Lenovo ThinkPad T14 G3-21CF004NGE | |
HP EliteBook 845 G10 5Z4X0ES | |
Dell Latitude 7440 | |
Lenovo ThinkPad T14 G4 21HD0043GE | |
Average of class Office (7.8 - 121.2, n=124, last 2 years) |
Witcher 3 FPS diagram
low | med. | high | ultra | |
GTA V (2015) | 141 | 134.3 | 58.7 | 25.1 |
The Witcher 3 (2015) | 119.8 | 82 | 40.7 | 25.3 |
Dota 2 Reborn (2015) | 118.1 | 94.3 | 76.9 | 67 |
Final Fantasy XV Benchmark (2018) | 68.8 | 34.9 | 26.5 | |
X-Plane 11.11 (2018) | 47.6 | 34.6 | 27.9 | |
Strange Brigade (2018) | 145.7 | 60.8 | 51.5 | 44.6 |
F1 23 (2023) | 75.4 | 65.9 | 45.6 | 9.63 |
排放:扬声器有点弱
噪音
ThinkPad 笔记本电脑在空转时非常安静。在负载情况下,它也比 ThinkPad T14 G4 Intel 更安静。但这还不足以使它在这一类别中胜出,因为更安静的 惠普 EliteBook 845 G10领先。
没有线圈啸叫,风扇也没有高音运转。
Noise Level
Idle |
| 23.1 / 23.1 / 23.1 dB(A) |
Load |
| 26.5 / 35.78 dB(A) |
| ||
30 dB silent 40 dB(A) audible 50 dB(A) loud |
||
min: , med: , max: Earthworks M23R, Arta (15 cm distance) environment noise: 23.1 dB(A) |
Lenovo ThinkPad T14 G4 21K4S02000 Radeon 780M, R7 PRO 7840U, Samsung PM9A1a MZVL21T0HDLU | Lenovo ThinkPad T14 G4 21HD0043GE Iris Xe G7 80EUs, i5-1335U, Kioxia BG5 KBG5AZNV512G | HP EliteBook 845 G10 5Z4X0ES Radeon 780M, R7 7840U, WD PC SN740 512GB SDDPNQD-512G | Dell Latitude 13 7340 i5-1345U Iris Xe G7 80EUs, i5-1345U, Kioxia BG5 KBG50ZNS512G | Lenovo ThinkPad T14 G3-21CF004NGE Radeon 680M, R7 PRO 6850U, Kioxia BG5 KBG5AZNV512G | |
---|---|---|---|---|---|
Noise | -3% | 4% | -12% | -8% | |
off / environment * | 23.1 | 23 -0% | 22.9 1% | 25.02 -8% | 24.2 -5% |
Idle Minimum * | 23.1 | 23 -0% | 22.9 1% | 25.02 -8% | 24.2 -5% |
Idle Average * | 23.1 | 23 -0% | 22.9 1% | 25.02 -8% | 24.2 -5% |
Idle Maximum * | 23.1 | 24.9 -8% | 22.9 1% | 25.02 -8% | 25.8 -12% |
Load Average * | 26.5 | 26.1 2% | 24.3 8% | 35.07 -32% | 32.2 -22% |
Witcher 3 ultra * | 35.7 | 38.4 -8% | 32.4 9% | 34.1 4% | |
Load Maximum * | 35.78 | 38.5 -8% | 33.9 5% | 38.2 -7% | 38.8 -8% |
* ... smaller is better
热量
虽然 ThinkPad 的运行声音比 EliteBook 稍大,但负载情况下的温度却较低。我们在底部热点测得的最高温度为 47.5 摄氏度/117 华氏度。ThinkPad 的前部和掌托都保持完全冷却。
在使用 Prime95 和 Furmark 进行压力测试时,即使同时运行这些工具一个小时,也没有出现节流现象。
(±) The maximum temperature on the upper side is 43.5 °C / 110 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 47.4 °C / 117 F, compared to the average of 36.7 °C / 98 F
(+) In idle usage, the average temperature for the upper side is 24.5 °C / 76 F, compared to the device average of 29.5 °C / 85 F.
(±) Playing The Witcher 3, the average temperature for the upper side is 33.7 °C / 93 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 28.3 °C / 82.9 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 (-0.6 °C / -1 F).
Lenovo ThinkPad T14 G4 21K4S02000 AMD Ryzen 7 PRO 7840U, AMD Radeon 780M | Lenovo ThinkPad T14 G4 21HD0043GE Intel Core i5-1335U, Intel Iris Xe Graphics G7 80EUs | HP EliteBook 845 G10 5Z4X0ES AMD Ryzen 7 7840U, AMD Radeon 780M | Dell Latitude 13 7340 i5-1345U Intel Core i5-1345U, Intel Iris Xe Graphics G7 80EUs | Lenovo ThinkPad T14 G3-21CF004NGE AMD Ryzen 7 PRO 6850U, AMD Radeon 680M | |
---|---|---|---|---|---|
Heat | -1% | -6% | 4% | -4% | |
Maximum Upper Side * | 43.5 | 41.5 5% | 45.4 -4% | 34.3 21% | 48.2 -11% |
Maximum Bottom * | 47.4 | 43 9% | 50.6 -7% | 37.6 21% | 52.8 -11% |
Idle Upper Side * | 24.9 | 27.8 -12% | 26.8 -8% | 28.4 -14% | 24.4 2% |
Idle Bottom * | 26 | 27.8 -7% | 26.8 -3% | 28.8 -11% | 24.5 6% |
* ... smaller is better
发言人
联想ThinkPad T14 AMD的扬声器与惠普EliteBook 845 G10的扬声器相似,质量有限。 HP EliteBook 845 G10.但有一个关键区别:ThinkPad 的扬声器位于键盘上方,声音要小得多。
Lenovo ThinkPad T14 G4 21K4S02000 audio analysis
(±) | speaker loudness is average but good (75.7 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 26% lower than median
(±) | linearity of bass is average (12.4% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 1.6% away from median
(+) | mids are linear (4.1% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 3.4% away from median
(+) | highs are linear (3.9% delta to prev. frequency)
Overall 100 - 16.000 Hz
(±) | linearity of overall sound is average (19.5% difference to median)
Compared to same class
» 34% of all tested devices in this class were better, 7% similar, 59% worse
» The best had a delta of 7%, average was 22%, worst was 53%
Compared to all devices tested
» 43% of all tested devices were better, 7% similar, 50% worse
» The best had a delta of 4%, average was 25%, worst was 134%
HP EliteBook 845 G10 818N0EA audio analysis
(+) | speakers can play relatively loud (83.2 dB)
Bass 100 - 315 Hz
(-) | nearly no bass - on average 19.5% lower than median
(±) | linearity of bass is average (13.3% delta to prev. frequency)
Mids 400 - 2000 Hz
(+) | balanced mids - only 3.4% away from median
(+) | mids are linear (2.5% delta to prev. frequency)
Highs 2 - 16 kHz
(+) | balanced highs - only 2.2% away from median
(+) | highs are linear (3.6% delta to prev. frequency)
Overall 100 - 16.000 Hz
(+) | overall sound is linear (14.2% difference to median)
Compared to same class
» 7% of all tested devices in this class were better, 3% similar, 90% worse
» The best had a delta of 7%, average was 22%, worst was 53%
Compared to all devices tested
» 14% of all tested devices were better, 3% similar, 83% worse
» The best had a delta of 4%, average was 25%, worst was 134%
能源管理:AMD 实现高效
耗电量
在功耗方面,联想 ThinkPad T14 G4 AMD 可以做得更好。空闲时,它的耗电量高于竞争对手,戴尔Latitude 7440 除外。不过,由于屏幕分辨率较高,该机型存在劣势。
51.8 瓦的最大功耗对于 65 瓦的充电器来说并非难事。
Off / Standby | 0.4 / 0.8 Watt |
Idle | 3.3 / 5.6 / 6.1 Watt |
Load |
40.1 / 51.8 Watt |
Lenovo ThinkPad T14 G4 21K4S02000 R7 PRO 7840U, Radeon 780M, Samsung PM9A1a MZVL21T0HDLU, IPS LED, 1920x1200, 14.00 | Lenovo ThinkPad T14 G4 21HD0043GE i5-1335U, Iris Xe G7 80EUs, Kioxia BG5 KBG5AZNV512G, IPS-AHVA LTPS wLED, 1920x1200, 14.00 | HP EliteBook 845 G10 5Z4X0ES R7 7840U, Radeon 780M, WD PC SN740 512GB SDDPNQD-512G, IPS, 1920x1200, 14.00 | Dell Latitude 7440 i5-1345U, Iris Xe G7 80EUs, Samsung MZ9L4512HBLU-00BMV, IPS, 2560x1600, 14.00 | Lenovo ThinkPad T14 G3-21CF004NGE R7 PRO 6850U, Radeon 680M, Kioxia BG5 KBG5AZNV512G, IPS, 1920x1200, 14.00 | Average AMD Radeon 780M | Average of class Office | |
---|---|---|---|---|---|---|---|
Power Consumption | 9% | 7% | -23% | 7% | -61% | -25% | |
Idle Minimum * | 3.3 | 2.4 27% | 3.2 3% | 4.5 -36% | 2.4 27% | 6.37 ? -93% | 4.3 ? -30% |
Idle Average * | 5.6 | 4.5 20% | 5.1 9% | 6.5 -16% | 5.3 5% | 8.59 ? -53% | 7.34 ? -31% |
Idle Maximum * | 6.1 | 5.6 8% | 5.4 11% | 7.3 -20% | 5.6 8% | 11.3 ? -85% | 9.13 ? -50% |
Load Average * | 40.1 | 29.5 26% | 39.1 2% | 52.5 -31% | 39.7 1% | 52.8 ? -32% | 41 ? -2% |
Witcher 3 ultra * | 41.4 | 40.8 1% | 39.8 4% | 46.2 -12% | 42.8 -3% | ||
Load Maximum * | 51.8 | 67.2 -30% | 46.6 10% | 63 -22% | 50.6 2% | 73.6 ? -42% | 58 ? -12% |
* ... smaller is better
Power consumption Witcher 3 / stress test
Power consumption with an external monitor
电池寿命
尽管空闲时的耗电量略高,但联想从 ThinkPad T14 G4 AMD 内部 52.5 Wh 电池中获得的电池续航时间还是不错的。在 WiFi 测试(150 cd/m²)中,ThinkPad 的续航时间略高于 12 小时,而在全亮度运行的相同测试中,ThinkPad 的续航时间为 8.5 小时,这使它成为了一款持久的日常伴侣。
Lenovo ThinkPad T14 G4 21K4S02000 R7 PRO 7840U, Radeon 780M, 52.5 Wh | Lenovo ThinkPad T14 G4 21HD0043GE i5-1335U, Iris Xe G7 80EUs, 52.5 Wh | HP EliteBook 845 G10 5Z4X0ES R7 7840U, Radeon 780M, 51 Wh | Dell Latitude 7440 i5-1345U, Iris Xe G7 80EUs, 57 Wh | Lenovo ThinkPad T14 G3-21CF004NGE R7 PRO 6850U, Radeon 680M, 52.5 Wh | Average of class Office | |
---|---|---|---|---|---|---|
Battery Runtime | -8% | -6% | 36% | -9% | -1% | |
WiFi v1.3 | 729 | 666 -9% | 779 7% | 781 7% | 772 6% | 592 ? -19% |
Load | 100 | 94 -6% | 81 -19% | 164 64% | 76 -24% | 117.7 ? 18% |
Pros
Cons
结论:ThinkPad T14 第 4 代 AMD 版优于英特尔版
联想再次推出了一款 ThinkPad 笔记本电脑,ThinkPad T14 Gen 4 AMD 获得了我们 "非常好 "的评价。总的来说,它是一款出色的工作工具。但它也并非没有弱点。
其中之一就是:机箱有轻微的吱吱声,这确实降低了设计的主观质量。昂贵的商务笔记本电脑不应该出现这种情况,即使这款笔记本电脑在制造过程中使用的塑料多于金属。与惠普的 EliteBook 845 G10 相比,焊接内存也是一个缺点,就像扬声器声音太小一样。
除此之外,我们还非常喜欢这款笔记本电脑。它有很多端口,RJ45 以太网是其一大特色。WWAN 可以升级,以获得最大的灵活性,ThinkPad 还有许多安全功能。使用 ThinkPad 的输入设备非常有趣,联想还提供了实用的低功耗面板。AMD Ryzen 7 Pro 7840U 性能出色,电池消耗也不快。风扇噪音和温度并无特别之处,但也远非糟糕。通过用户可更换键盘,ThinkPad T14 Gen 4 拥有了大多数现代笔记本电脑少有的特殊功能。
联想 ThinkPad T14 Gen 4 AMD 是企业用户的理想之选。不过,它也有一些弱点。
尤其是这项功能和 RJ45 端口,是与其他采用这种 CPU 的笔记本电脑相比的重要区别。竞争激烈:HP EliteBook 845 G10 扬声器的音量更大,机箱和内存插槽更高档,但缺少用户可更换键盘和 RJ45。同样,Lenovo ThinkPad T14s G4 AMD 也缺少这些功能,但它的设计更轻巧、更高档。
定价和可用性
此次评测的 21K4S02000 版本是德国联想校园计划的一部分,仅面向学生提供。它的价格为 1,300 欧元(含教育退款)。亚马逊网站提供的不同配置的 ThinkPad T14 第 4 代 AMD价格约为 1,270 美元。
Lenovo ThinkPad T14 G4 21K4S02000
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12/22/2023 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.