Intel Xeon W 3175X 's Advantages
Released 3 years and 3 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Higher base frequency (3.1GHz vs 3GHz)
Larger L3 cache size (38.5MB vs 8MB)
Intel Xeon E3 1220 v5 's Advantages
Lower TDP (80W vs 255W)