Xeon w3 2525 's Advantages
Released 9 years and 2 months late
Higher specification of memory (4400 vs 1866)
Newer PCIe version (5 vs 3)
Higher base frequency (3.5GHz vs 2GHz)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E5 4620 v3 's Advantages
Larger L3 cache size (25MB vs 22.5MB)
Lower TDP (105W vs 175W)