High Performance AMD Phenom X4 Processors Lead the Charge to HD Desktop Gaming and Video – Four new AMD Phenom X4 processors pair with AMD enthusiast platform to propel the Ultimate Visual Experience – SUNNYVALE, Calif. – March 27, 2008 – AMD (NYSE: AMD) today announced immediate availability of four new high-performance AMD Phenom(tm) X4 processors for PC users in search of the Ultimate Visual Experience. Led by the AMD Phenom X4 9850 Black Edition processor, each CPU features true quad-core design, and when