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by agopaul 2704 days ago
I believe 5K iMacs also have 220 PPI https://bjango.com/articles/macexternaldisplays/
1 comments

Normally I would say it is overkill.

However, if I remember correctly, these 5k displays are explicitly made for video editing. So that you can show a 1:1 4k frame with space around it for all the controls and toolbars. I think it is a special case where that high resolution is definitely justified.