Intel Xeon E3 1275 v2 's Advantages
Higher base frequency (3.5GHz vs 2.5GHz)
Lower TDP (77W vs 270W)
Intel Xeon W 3375 's Advantages
Released 9 years and 2 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (57MB vs 8MB)
More modern manufacturing process (10nm vs 22nm)