Intel Xeon E5 1620 v3 's Advantages
Higher base frequency (3.5GHz vs 3GHz)
Lower TDP (140W vs 250W)
Xeon w7 2575X 's Advantages
Released 9 years and 11 months late
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (45MB vs 10MB)
More modern manufacturing process (10nm vs 22nm)