Switching between two GPUs for dual boot

I'd like to install two GPUs onto a single mobo (the ASRock z690 taichi) one for the hackintosh and one for Windows. When I boot in to windows I'll use the rx7900xt and when I boot in to Macos I'll use the rx6800xt. What's the best way to do this? Would I have to enter the bios each time and choose which card to use? My monitor has dual hdmi ports so I'll just connect both cards to my monitor.

Does there exist some sort of a switching hub where in I'll connect both GPUs to the hub and also my monitor to the hub and with just a press of a button I can choose which card to use?

submitted by /u/thetrystero
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