Intel Xeon E5 2637 's Advantages
Higher base frequency (3GHz vs 2.2GHz)
Lower TDP (80W vs 140W)
Intel Xeon E7 8860 v3 's Advantages
Released 3 years and 3 months late
Higher specification of memory (1866 vs 3)
Larger L3 cache size (40MB vs 5MB)
More modern manufacturing process (22nm vs 32nm)