No it doesn't, Wii U has a 'Wii Mode' that boots into an emulated Wii Sandbox so it only ever outputs at 480p max, it does upscale the image which makes it look a bit better.
HawkMan, on 21 November 2012 - 13:49, said:
....well then I see no point in getting it....
I've got a weird idea, how about, um.........playing Wii U games?
If you want to play uprezzed games play them on Dolphin emulator with Wiimote and nunchuck.