ISSCC, SAN FRANCISCO — February 12, 2007 –AMD (NYSE: AMD) today unveiled more industry-defining architectural features for its upcoming native Quad-Core AMD Opteron™ processors (codenamed ‘Barcelona’) during a presentation to the International Solid State Circuits Conference (ISSCC). In addition to the estimated 40-percent performance advantage native Quad-Core AMD Opteron™ processors can offer over the competition in benchmark testing, AMD’s redesigned microarchitecture will enable new power- and thermal-management techniques, strengthening the industry-leading performance-per-watt AMD Opteron processors currently deliver today. Among the new features are enhancements to AMD PowerNow!™ technology for dynamic adjustment of individual core frequencies.