Xeon EC5539 's Advantages
Higher base frequency (2.266GHz vs 2GHz)
Lower TDP (65W vs 99W)
Opteron 6370P 's Advantages
Released 3 years and 11 months late
Higher specification of memory (1600 vs 1333)
Larger L3 cache size (8MB vs 4MB)
More modern manufacturing process (32nm vs 45nm)