5600X and RTX 3080 FE - Benchmark that I did recently
https://www.3dmark.com/spy/15075642
Beware that if you are planning to get a combo like this, there are still a lot of games played today that are completely unoptimized or optimized badly. There are plenty of good ones too.
1440p, Maxed Settings
Apex Legends - 250 FPS Steady
Warzone (Bad Optimization by them) - 130-150 FPS Unsteady
League of Legends - 450 FPS Steady
Minecraft w/ Optifine - 800 FPS Steady
Overwatch - 370 FPS Steady