The Wii U uses a 64-bit PowerPC processor. I think that's the answer to the question you were trying to ask.
I'm a bit curious why anyone who isn't a programmer or electrical engineer would care about how many bits a processor "has".
2. wii and WII U
Two so far Wii Wii U
The are many differences between the Nintendo wii u and the Nintendo wii. The Nintendo wii u has better graphics, larger storage space and it is slightly bigger in size. However the biggest difference is that the wii u comes with a gamepad and supports chat.
The Wii U is a different console to the Wii. The Wii U however is compatible with Wii games and accessories.
Yes, the Wii U console can play Wii U games
No, the Nintendo Wii cannot play Wii U games
No, you cannot connect a Wii U controller to a Wii. Only Wii Remotes and other Wii accessories will work for the Wii, and the Wii U GamePad only works for the Wii U.
No. The Wii U controller will only be compatible with the Wii U.
The wii-u console does not come with the wii console but you can play wii games on the wii-u
Yes, the Nintendo Wii U can play Wii games
The Wii is older than the Wii U
the wii u is like an older brother of the wii