Mac Pro (2019-2020) with Radeon Pro 580x, Radeon Pro Vega II and Radeon Pro W5700X / W5500X Boot Camp Driver for Windows 10: Display Driver AMD Radeon Settings 19.40: 557 MB: 7/8. MacBook Pro (Retina, 16-inch, 2020) with Radeon Pro 5600M Boot Camp Driver for Windows 10: Display Driver AMD Radeon Settings 19.50: 601 MB: : Download. I looked on ATI / AMD site and they don't have them. They wasn't part of the 'Graphic Card Upgrade' I received for my Mac Pro 1,1.
I recently replaced my old 7300 GT with a ATI Radeon HD 5770 card but I miss the neccessary drivers.