this post was submitted on 13 Feb 2025
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While it is pretty subtle, and colour depth and frame rate are easily way more important, I can easily tell the difference between an 8k and a 4k computer monitor from usual seating position. I mean it's definitely not enough of a difference for me to bother upgrading my 2k monitor π, but it's there. Maybe I have above average vision though, dunno though: I've never done an eye test.
Well, i have +1.2 with glasses (which is a lot) and i do not see a difference between FHD (1980) and 4k on a 15" laptop. What i did notice though, background was a space image, the stars got flatter while switching to FHD. My guess is, the Windows driver of Nvidia tweaks Gamma & light, to encourage buying 4k devices, because they needed external GPU back then. The colleague later reported that he switched to FHD, because the laptop got too hot π . Well, that was 5 years ago.
30 inch laptop? Is that a typo or does somebody actually make one that big?
Right, brainfart. I didn't measure it but it was largeish but not giant. Let's say 15".
Weβre bringing back briefcase computers!
Interesting: in that sense 4k would have slightly better brightness gradiation: if you average the brightness of 4 pixels there's a lot more different levels of brightness that can be represented by 4 pixels vs 1, which might explain the difference perceived even when you can't see the individual pixels.
The maximum and minimum brightness would still be the same though, so wouldn't really help with the contrast ratio, or black levels, which are the most important metrics in terms of image quality imo.