Hope this works
edit: Couldn't embed it, so here's a video about the GPU that is supposedly confirmed to be in the Wii U.
http://www.engineeringtv.com/embed/player/container/1600/743/?content_type=content_item&layout=&playlist_cid=&content=RH03GV1TB04D85QV&media_type=video&widget_type_cid=svp&referrer=