Xeon w3 2535 's Advantages
Released 10 years and 11 months late
Higher specification of memory (4400 vs 3)
Newer PCIe version (5 vs 3)
Higher base frequency (3.5GHz vs 2.1GHz)
Larger L3 cache size (26.25MB vs 15MB)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E5 2620 v2 's Advantages
Lower TDP (80W vs 185W)