Can you try disabling your second monitor and seeing if it still crashes? The problems with recent AMD seem to happen most often with high refresh rate monitors, and it's possible the drivers might not be fully stable in multi monitor setups. Trying with just one monitor active might make it easier to find out where the crash is happening.
There was a recent post about using the same card with ZK with some tips:
https://zero-k.info/Forum/Post/269331#269331And a previous thread looking into crashes on AMD 7000-series cards:
https://zero-k.info/Forum/Thread/37432