Xeon W 11955M 's Advantages
Released 10 years and 1 months late
Higher specification of memory (3200 vs 1333)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (35W vs 130W)
Xeon E7 8870 's Advantages
Higher base frequency (2.4GHz vs 2.1GHz)
Larger L3 cache size (30MB vs 24MB)