Intel Xeon E5 2637 v3 's Advantages
Released 4 years and 6 months late
Higher specification of memory (2133 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.5GHz vs 1.9GHz)
Larger L3 cache size (15MB vs 12MB)
More modern manufacturing process (22nm vs 45nm)
Opteron 6168 's Advantages
Lower TDP (115W vs 135W)