Intel Xeon W 3175X 's Advantages
Released 8 years and 5 months late
Higher specification of memory (2666 vs 3)
Newer PCIe version (3 vs 2)
Larger L3 cache size (38.5MB vs 12MB)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon W3670 's Advantages
Higher base frequency (3.2GHz vs 3.1GHz)
Lower TDP (130W vs 255W)