Intel Xeon W 11855M 's Advantages
Released 9 years and 2 months late
Higher specification of memory (3200 vs 3)
Newer PCIe version (4 vs 3)
Higher base frequency (3.2GHz vs 2.1GHz)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (35W vs 95W)
Intel Xeon E5 2658 's Advantages
Larger L3 cache size (20MB vs 18MB)