On my MacBook Pro 16" with the 5500M if I don't lock the screen when I walk away from it, it crashes almost every time when it goes to sleep. I have been re-rendering my media library on my desktop with the 5700XT for the past couple of days and have the box checked to prevent it from going to...
Don't know if this will work on a hackintosh or not but I have been using my 16" MBP with the 5300M and macOS 10.15.6 for work the past few weeks and it was crashing pretty much every time it went to sleep with various reasons but all GPU related. I have found that if I lock the screen before...
You can even duplicate your config a few times changing only the smbios part and name them something like config61.plist (for MP6.1) or config191.plist (iMac19,1). You can then choose which config you would like to use at the Clover boot menu in options.
My guess is the O
My guess is you already Lilu and WG installed but are missing agdpmod=pikera. I am able to boot my 5700XT with full acceleration without Lilu and WG but choose to use them because they patch other things as well. With those however you must have the boot argument agdpmod=pikera.
I believe Apple products rely more on Intel Quicksync for rendering. If you change your SMBIOS to iMacPro1,1 then it should use the GPU but you might encounter stability issues with macOS and the Navi card.
I recently went from a GTX 970 on High Sierra to a 5700 XT on Catalina. I removed the Nvidia card and drivers. Installed the new card and updated macOS. Besides one or two different bootargs everything went smoothly.