Stuttering in games every few seconds

Hi all, plagued by an annoying problem i can't figure out. Used to playing games that dont require much, like runescape, however more demanding games stutter when trying to play. Any ideas? Only trying to do 1440p 60fps

CPU - 3900x

GPU - rtx 3070

mobo - meg x570 ace

ram - 3600mhz 32gig

psu - 800w

2 970 ssd