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The Wii U has a completely different GPU (based on modern compute-shader-based GPU) than the Wii or the Gamecube, however the Wii U still has the Wii/Gamecube based GPU. That's why if we would port Nintendont to ISOU mode, we would have access to A LOT more memory resources (2GB ram, 32MB of fast ram) and A LOT more compute resources (faster PPC and ARM processor, old fixed-pipeline-based GPU and new compute-shader-based GPU)It's just an ATI GPU with an ARM core stuck to it that serves as a hypervisor. GX is Nintendo's graphics library similar to DirectX/OpenGL.
Last edited by uyjulian,