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)
Higher base frequency (2.1GHz vs 1.8GHz)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (35W vs 75W)
Intel Xeon E5 2648L v3 's Advantages
Larger L3 cache size (30MB vs 24MB)