Constant micro-lag throughout matches

During matches the game is plagued by tiny split-seconds of lag, happening several times each second. It produces a juddery stop-start kind of experience, where aiming is very hard. The menu screens are totally smooth, and it goes back to being totally smooth as soon as I exit back to the final stats. But even the awards screen is super jaggy.

This happens throughout each match, even when nothing is happening in-game, or anywhere else on the computer. I have graphics at minimum but it isn’t any worse even at much higher settings. Activity Monitor doesn’t seem to my computer is under any kind of strain in running the game.

This is an almost brand-new 2020 model mac mini, Ventura, M1, 16GB of ram, solid state with plenty of room. It happens even after a fresh restart with no other apps running. I’ve tried fixing and reinstalling.

If this is an unavoidable problem of my hardware, that’s fair enough and at least I know it can’t be fixed. But I am open to any suggestions to improve things. Thanks!