The heart of the Wii U - finally revealed

IBM finally let the cat out of the bag. And in this case, the cat is a Radeon GPU with a chip similar to the R770 we know from AMD's last-gen cards, for example the 4890. But don't lose interest too fast, folks!
Just think about the Xbox 360 and the PS3, both sporting five-year-old hardware, still providing stunning graphics. Further on, Nintendo's upcoming console supports Direct X 10.1 and according to Crytek, its advanced CryEngine "pretty much" runs on the Wii U. If running Crysis isn't convincing enough, what is?