When you're the best, people want you. CPU manufacturer AMD apparently wanted the best, and they've lured Apple's head chip designer Jim Keller away from the company.
Keller became an Apple employee in 2008 when Apple acquired startup chipmaker PA Semi. Keller has some former history with AMD, having been the original architect of the Athlon line of processors that were popular in 2005-2006.
While at PA Semi and Apple, Keller was responsible for the A4 and A5 processors that power the iPhone and iPad. Apple bought PA Semi in 2008 for US$278 million, moving to the ARM architecture for its mobile devices and shunning I
