Intel Xeon W 2145 's Advantages
Released 7 years late
Higher specification of memory (2666 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.7GHz vs 3.2GHz)
More modern manufacturing process (14nm vs 32nm)
Intel Xeon W3670 's Advantages
Larger L3 cache size (12MB vs 11MB)
Lower TDP (130W vs 140W)