I just checked and realised I'm on 6.16 as well. I don't think the xanmod kernel will solve your problem, it could be worth a try though, if you are desperate.
I have an 5600xt and i used to have crashes quite regularly. Disabling hardware accel in firefox helped. Now i only have crashes when playing games from heroic.
Unfortnately all those crashes turned some friends away from linux
When it was on sale recently I didn't buy it. Instead I removed all Sony games from my wishlist, knowing they would require PSN even for single player games.
Check the
manpages, starting withman systemd.time