The Surface Pro uses an Intel HD 4000 GPU, and I think it's CPU is a little underclocked.
Comparing it to my computer (I can't get the NVIDIA chip to work), GameCube games will mostly work for sure but with stuttering during heavy loads. I imagine Wii game playback might be poor.
Comparing it to my computer (I can't get the NVIDIA chip to work), GameCube games will mostly work for sure but with stuttering during heavy loads. I imagine Wii game playback might be poor.