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by Todd 2637 days ago
I use a 43" 4k TV as a monitor and it's great. It's on the outside range of size due to the 100 ppi pitch.

You're referring to chroma subsampling. Rtings does a review of 4k TVs that support 4:4:4 chroma.

https://www.rtings.com/tv/reviews/best/by-usage/pc-monitor

This page also has a link to their subsampling article.