Intel Xeon W 11855M 's Advantages
Released 10 years and 1 months late
Higher specification of memory (3200 vs 3)
Higher base frequency (3.2GHz vs 2.4GHz)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (35W vs 130W)
Intel Xeon E7 8870 's Advantages
Larger L3 cache size (30MB vs 18MB)