Xeon w7 3555 's Advantages
Released 6 years and 4 months late
Higher specification of memory (4800 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (75MB vs 12MB)
More modern manufacturing process (10nm vs 14nm)
Xeon E 2176M 's Advantages
Lower TDP (45W vs 325W)