X360 does not have native 1080p - upscaling from 720p.
You need to do a bit of research to know what will WiiU be able to do.
here is a quick link on the GPU difference: http://www.shacknews.com/article/68905/wii-u-uses-last-gen?id=26106637#item_26106637
the media has been very ignorant and...