Got a 4K 240Hz monitor and my 3080 can't get any game to run at 240 FPS

Got a new 4K 240Hz monitor and my 3080 can't get any game to run at 240 FPS, kinda depressing.<br><br>I thought of buying a 4080 but there's nothing in stock. <br><br>Looks like I'm gonna have to Invest heavily in a GPU for this. <br><br>Any rec's?