Many people are having this issue with RX 6600M too, so it seems it's for mobile GPUs (the 6500 XT and 6400 are mobile GPUs on desktop cards).
Check your driver version, this issue started with 23.3.2. If you're on that version or superior, try installing version 23.3.1. That fixed it for us, but now we're stuck withut possibility of updating the driver until this issue is resolved.
I also advise you to notify it via the Bug Report Tool, so we increase the visibility on this issue