gamemode

The short answer is that you can squeeze some significant extra performance if you are clever, and make it run very close to Windows. If you do absolutely nothing, the baseline is often fine. The ArchWiki has some tips that can help tuning your system: https://wiki.archlinux.org/title/gaming This launcher does help too: https://github.com/FeralInteractive/gamemode On top of that, you can use a patched kernel like: https://xanmod.org/ You can check support status for games here: https://www.protondb.com/ If you run games via Proton with DXVK, you can use the environment variable DXVK_HUD=1 to show a HUD with a FPS meter. Some others prefer mangohud. Setting your CPU frequency scaling governor and GPU to performance mode also helps. In some obscure cases, removing unused network interfaces will make Windows games that use certain Windows AP

For games you can use gamemode. https://github.com/FeralInteractive/gamemode You run the game with gamemoderun and it will do few adjustments for you, including adjusting the CPU governor.