Intel Xeon w5 2455X 's Advantages
Released 9 years and 8 months late
Higher specification of memory (4800 vs 1600)
Newer PCIe version (5 vs 3)
Higher base frequency (3.2GHz vs 3.1GHz)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E3 1220 v3 's Advantages
Lower TDP (80W vs 200W)