http://wccftech.com/xbox-one-may-be...d-on-amds-polaris-architecture/#ixzz3w2TldL8T
There's more info in the article. Thanks to Cyriades for the link
We just received an interesting rumor (originated on the Overclock.net board) about Microsofts Xbox One. It seems like the console might be getting a revision based on AMDs new Polaris GPU architecture (of which you can read a lot more here).
Several users have noticed the name Polaris when using their Xbox One console. In fact, there are tweets about this dating back to October 2014.
There's more info in the article. Thanks to Cyriades for the link