Apple never used Alder Lake or Raptor Lake iGPUs. There are no native drivers. You cannot get hardware acceleration (Metal, QE/CI) on UHD 770.
(Note: 6650 XT requires a simple device-id spoof to match the 6600 XT). uhd 770 hackintosh new
Add -v (verbose mode) and keepsyms=1 for debugging. Avoid using igfxvec=1 unless you experience immediate black screens during boot. BIOS Settings: Primary Display: Set to IGFX (Internal Graphics). DVMT Pre-Allocated: Set to 64MB or higher. Apple never used Alder Lake or Raptor Lake iGPUs