Intel Xeon E5 2699 v3 's Advantages
Lower TDP (145W vs 325W)
Xeon w7 3555 '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 (2.7GHz vs 2.3GHz)
Larger L3 cache size (75MB vs 45MB)
More modern manufacturing process (10nm vs 22nm)