Intel Xeon E5 2637 v2 's Advantages
Higher base frequency (3.5GHz vs 3.2GHz)
Intel Xeon W 11855M 's Advantages
Released 7 years and 8 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (18MB vs 10MB)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (35W vs 130W)