eli5 if my monitor is 1080p why does 4k look better than 1080p videos?

Question

shouldn’t 1080p and 4k have no difference if my monitor is only capable of displaying 1080p

In: 422

Answer 1

4k tends to have more color grading and post production stuff on some yt channels. The amount of pixels will not affect quality when watching 4k on a 1080p panel.