Xeon w7 2555X 's Advantages
Released 10 years and 11 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (33.75MB vs 20MB)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E5 2667 v2 's Advantages
Lower TDP (130W vs 210W)