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It's all about the baseline.
Cinematic, Blu Ray bitrate 1080p vs 4K is not too dramatic.
Compressed streams though? Or worse production quality? 4K raises the baseline dramatically. It's much harder to stream bad-looking 4K than it is 1080p, especially since '4K' usually implies certain codecs/standards.
I have friends and family with good eyesight and they can tell a difference. Sadly even with Recent prescription lenses I still can't see a difference. Eh, at least I can save on TV's since 1080p is cheaper.
I've been saying this for years.
Given how much time I spend actually looking at the screen while the show/movie is on, it might as well be in ca. 2000 RealVideo 160x120 resolution.
The question for me isn't whether or not there's a difference that I might be able to see if I were paying attention to the picture quality, it's whether the video quality is sufficiently bad to distract me from the content. And only hypercompressed macroblocked-to-hell-and-back ancient MPEG1 files or multiply-recopied VHS tapes from the Dark Ages are ever that bad for me. In general, I'm perfectly happy with 480p. Of course, I might just have a higher-than-average immunity to bad video. (Similarly, I can spot tearing if I'm looking for it, but I do have to be looking for it.)
8k is a little high. I feel like 4k is a significant change from 1080p, especially if you use your screen as a computer monitor.
Yes, as a monitor, if it's over 30" or so, 4k makes sense. If it's a TV, 4k doesn't make much difference given how far most sit from their TV. Maybe if it's a massive TV or something at like 80"...
That's why I have a 65" and sit barely 2m from it. Stick on a 4k Dolby Vision encoded file through Jellyfin. Looks fucking great!
This is pretty obvious due to how they had to add HDR at the same time to sell it. The HDR was a real progression, but they wouldn’t get to sell you higher res Blu-ray formats and streaming packages with just that.
