Xeon EC5539 's Advantages
Higher specification of memory (1333 vs 3)
Lower TDP (65W vs 115W)
Intel Xeon E5 2695 v2 's Advantages
Released 3 years and 7 months late
Newer PCIe version (3 vs 2)
Higher base frequency (2.4GHz vs 2.266GHz)
Larger L3 cache size (30MB vs 4MB)
More modern manufacturing process (22nm vs 45nm)