ethomaz on 14 June 2011
There are no way the Wii U GPU is a HD 4890... that's almost 4x more powerful than GPU equipped in X360.
I guess it a HD 46XX (RV730)... so 50% more powerful than PS3/360 GPU.
Just to compare the actual Radeon GPU family on PC is R900 (Northern Islands)... the R700 is a chip from 2008.







