DP 2.1 vs DP 1.4 Not sure

So I just ordered the new Asus 34 inch oled 360hz monitor that has DP 2.1. I have a 4080S which only has DP 1.4. I could sell my 4080S and pickup a 5080 which does have DP 2.1, but would that make a good bit of difference while gaming, or pretty much nothing lol.