Intel Xeon W 11955M 's Advantages
Released 6 years and 8 months late
Higher specification of memory (3200 vs 2133)
Newer PCIe version (4 vs 3)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (35W vs 120W)
Intel Xeon E5 2680 v3 's Advantages
Higher base frequency (2.5GHz vs 2.1GHz)
Larger L3 cache size (30MB vs 24MB)