Darc Requiem on 29 November 2012
Given what we know now. I think it's more likely that the Wii U's CPU is a modified Power PC 476FP. Same family as the 750. Except it's already manufactured at 45nm. It would be cheaper for Nintendo to have the 476FP modified than the other way around.
https://www-01.ibm.com/chips/techlib/techlib.nsf/products/PowerPC_476FP_Embedded_Core
