i7 8700k

I have i7 8700k cpu and I am soon upgrading to RX 6750 XT, Will there be any bottleneck? If so will there be noticeable difference in perfomance/fps. Don'f feel like spending on a new cpu for few fps loss.

So, i was initially going to buy an i7 8700(non K) and use a Hyper 212 rather than the stock cooler, but unfortunately all the i7 8700's are out of stock and only i7 8700k are available. I am getting very impatient as that's the only part missing in my build and want to just get the i7 8700k and...