If you want a experience, disable UHD 770 entirely and use:
07009B3E tells macOS to load the UHD 630 driver. The 9B3E device ID confirms the spoof. uhd 770 hackintosh
While developers in the Hackintosh community are always working on projects like "WhateverGreen," a breakthrough for UHD 770 native acceleration is unlikely. Apple is fully committed to their M-series chips, meaning the library of Intel drivers in macOS is shrinking, not growing. If you want a experience, disable UHD 770