Blurry graphics when running 120 hertz on ps5

Whenever I’m using the performance mode on apex my graphics turn super blurry and the gameplay is delayed. I know it’s not my monitor at all because when I turn the performance mode off I’m running 4k and it looks perfect but it’s always super blurry and pixelated when performance mode is on, it’s quite frankly unplayable at some points. PLEASE FIX IT!! It’s been like these for ages now