Well Digital Doundry Stated that:
Wii U version has bigger texture resolution compared to PS360
Wii U version is from start to finish V-synced, PS360 are not and tear sometimes
Wii U version has more lightining sources and so on, and uses motion blur and Anti-Aliasing, while PS360 dont use any of them.
Not to forget that controller screen is eating resources, Wii U wins