In the semiconductor trade show ISSCC currently taking place in San Francisco, AMD has announced details about their new APU generation. Although Carrizo is processed in the same 28 nm lithography as its predecessor, the chip should score points with a significantly better energy efficiency.
http://www.notebookcheck.net/AMD-The-upcoming-Carrizo-APU-generation-casts-its-shadow-before.136807.0.html