Intel Xeon E5 1680 v3 's Advantages
Lower TDP (140W vs 210W)
Xeon w7 2555X 's Advantages
Released 9 years and 11 months late
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5 vs 3)
Higher base frequency (3.3GHz vs 3.2GHz)
Larger L3 cache size (33.75MB vs 20MB)
More modern manufacturing process (10nm vs 22nm)