Wii U has last-gen Radeon inside, still more powerful than PS3 and Xbox 360

Slowly, but surely, we're starting to piece together what's going on inside that mysterious white box known as the Wii U. IBM was a little coy about the multi-core CPU it was providing, but did tantalize us by mentioning the name "Watson" in describing some of its underlying tech. Now details about the custom Radeon GPU are starting to surface and, while certainly capable, it's not exactly cutting edge.

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