* ... smaller is better
The display backlight flickers at 210.1 Hz (worst case, e.g., utilizing PWM) Flickering detected at a brightness setting of 99 % and below. There should be no flickering or PWM above this brightness setting.
The frequency of 210.1 Hz is relatively low, so sensitive users will likely notice flickering and experience eyestrain at the stated brightness setting and below.
In comparison: 53 % of all tested devices do not use PWM to dim the display. If PWM was detected, an average of 8152 (minimum: 5 - maximum: 343500) Hz was measured.
* ... smaller is better
Noise level
* ... smaller is better
(±) | speaker loudness is average but good (72.4 dB)Bass 100 - 315 Hz(-) | nearly no bass - on average 16.3% lower than median(±) | linearity of bass is average (11% delta to prev. frequency)Mids 400 - 2000 Hz(+) | balanced mids - only 4.3% away from median(±) | linearity of mids is average (11.3% delta to prev. frequency)Highs 2 - 16 kHz(+) | balanced highs - only 2.6% away from median(±) | linearity of highs is average (8.2% delta to prev. frequency)Overall 100 - 16.000 Hz(±) | linearity of overall sound is average (23.5% difference to median)Compared to same class» 71% of all tested devices in this class were better, 5% similar, 25% worse» The best had a delta of 6%, average was 20%, worst was 57%Compared to all devices tested» 69% of all tested devices were better, 6% similar, 24% worse» The best had a delta of 4%, average was 24%, worst was 134%
(+) | speakers can play relatively loud (83.6 dB)Bass 100 - 315 Hz(±) | reduced bass - on average 11.3% lower than median(±) | linearity of bass is average (14.2% delta to prev. frequency)Mids 400 - 2000 Hz(+) | balanced mids - only 2.4% away from median(+) | mids are linear (5.5% delta to prev. frequency)Highs 2 - 16 kHz(+) | balanced highs - only 2% away from median(+) | highs are linear (4.5% delta to prev. frequency)Overall 100 - 16.000 Hz(+) | overall sound is linear (10.2% difference to median)Compared to same class» 7% of all tested devices in this class were better, 2% similar, 91% worse» The best had a delta of 5%, average was 18%, worst was 53%Compared to all devices tested» 4% of all tested devices were better, 1% similar, 94% worse» The best had a delta of 4%, average was 24%, worst was 134%
* ... smaller is better
戴尔Latitude 12 5285是一个坚固的商务变形本。2合1，且符合人体工程学，运行速度优秀和续航优秀，外观很有吸引力。是的，它看起来很像微软的Surface Pro 4，但是我们老实说，不要指望戴尔采用新外观，而能做到标新立异。可拆卸键盘提供坚实的按键反馈，并提供两种背光强度。触控笔作为额外的输入设备工具，非常好用，并提供了附加的功能，可以启动Microsoft OneNote或其他应用程序。戴尔与竞争对手的不同之处在于两个关键点：首先，虽然显示分辨率较低，但鉴于Latitude的业务导向，我们不认为这是重大缺陷——另外，面板非常明亮，远超竞争对手。另外，2合1笔记本硬件非常易于使用和维护，这同样也是基于平板电脑的变形本的致命弱点。
Latitude的突出特色毫无疑问是其显示效果，它非常亮，平均亮度超过520尼特。