Intel Xeon W 11955M 's Advantages
Released 7 years and 8 months late
Higher specification of memory (DDR4-3200 vs DDR3)
Newer PCIe version (4 vs 3)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (35W vs 115W)
Intel Xeon E5 2680 v2 's Advantages
Higher base frequency (2.8GHz vs 2.1GHz)
Larger L3 cache size (25MB vs 24MB)