Intel Xeon E5 2620 v2 's Advantages
Lower TDP (80W vs 255W)
Intel Xeon W 3175X 's Advantages
Released 5 years and 4 months late
Higher specification of memory (2666 vs 3)
Higher base frequency (3.1GHz vs 2.1GHz)
Larger L3 cache size (38.5MB vs 15MB)
More modern manufacturing process (14nm vs 22nm)