Xeon w5 3525 's Advantages
Released 9 years and 11 months late
Higher specification of memory (4800 vs 1866)
Newer PCIe version (5 vs 3)
Higher base frequency (3.2GHz vs 2.4GHz)
Larger L3 cache size (45MB vs 15MB)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E5 2620 v3 's Advantages
Lower TDP (85W vs 290W)