2018-11-25, 13:09
RGB 8bit is the only RGB setting nvidia supports, so yes. No matter how many bits your panel is, you will only get RGB 8bit from your card. Same with 4:4:4.
4:2:0 and 4:2:2 will give you 10bit.
4:2:0 and 4:2:2 will give you 10bit.