Intel Xeon E5 2637 v2 's Advantages
Higher base frequency (3.5GHz vs 2.6GHz)
Intel Xeon E 2378 's Advantages
Released 8 years late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (16MB vs 10MB)
More modern manufacturing process (14nm vs 22nm)
Lower TDP (65W vs 130W)