The RX6600 is not a powerful GPU. Especially for the games you have mentioned.
It is perfectly fine for 1080p 144hz at high/ultra settings. but even then u might be bottlenecked by the i3 12100 cpu.
You would really have to enable FSR features and reduce graphics settings for 80+ fps in those games.
Refer this website for performance benchmarks:
https://www.techpowerup.com/review/powercolor-radeon-rx-6600-fighter/30.html
On the other hand, if you are fixed on having a 2k 144hz display, i would look at an IPS panel with HDR400 certification and choose which ever model you like.