Xeon EC5539 's Advantages
Lower TDP (65W vs 115W)
Opteron 6348 's Advantages
Released 2 years and 9 months late
Higher specification of memory (1866 vs 1333)
Higher base frequency (2.8GHz vs 2.266GHz)
Larger L3 cache size (8MB vs 4MB)
More modern manufacturing process (32nm vs 45nm)