Intel Xeon W 11855M 's Advantages
Released 11 years and 3 months late
Higher specification of memory (3200 vs 1066)
Newer PCIe version (4 vs 2)
Higher base frequency (3.2GHz vs 2.133GHz)
Larger L3 cache size (18MB vs 8MB)
More modern manufacturing process (10nm vs 45nm)
Lower TDP (35W vs 60W)