You can read about the architecture in their docs: https://developer.apple.com/documentation/metal/gpu_features/understanding_gpu_family_4 https://developer.ap

You can read about the architecture in their docs: https://developer.apple.com/documentation/metal/gpu_features/understanding_gpu_family_4 https://developer.apple.com/documentation/metal/gpu_features... It's a fairly generic TBDR architecture based on it's slowly-replaced PowerVR heritage and it still has fixed function hardware in the core of the architecture.