Terminator resistance 1440p max settings on linux (rx 6700xt)

Terminator resistance 1440p max settings on Pika os, game is installed on new 2 tb hdd, game is smooth, here and there you can see for a short time a bit of stutters, but i think its because of recording, cuz at that didnt happend when i tried game before, tho i might be wrong.
pc spec
rx 6700 xt 12gb
ryzen 5 5600 six core
a320 mh biostar
Os: Pika os
proton : ge latest