Intel Xeon w5 3425 's Advantages
Released 9 years and 5 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (30MB vs 10MB)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E5 2637 v2 's Advantages
Higher base frequency (3.5GHz vs 3.2GHz)
Lower TDP (130W vs 270W)