It has to be AMD specifically, with some cards working better than others. Really old Nvidia cards work if you’re willing to go all the way back to High Sierra, though I haven’t tested it with this specific setup.
Intel iGPUs work on bare metal up until about tenth gen Core series, but I don’t know if you can pass them through with Proxmox.
Intel iGPUs work on bare metal up until about tenth gen Core series, but I don’t know if you can pass them through with Proxmox.
This list is a good place to start: https://dortania.github.io/GPU-Buyers-Guide/modern-gpus/amd-...
If you just want to mess around, RX 580s are pretty cheap on eBay these days and are fast enough to handle most tasks on a Mac.