Intel Xeon E5 2637 v3 's Advantages
Released 3 years and 7 months late
Higher specification of memory (DDR4-2133 vs DDR3-1333)
Newer PCIe version (3 vs 2)
Higher base frequency (3.5GHz vs 2.5GHz)
Larger L3 cache size (15MB vs 12MB)
Lower TDP (135W vs 140W)