Intel Xeon E3 1220L v3 's Advantages
Lower TDP (13W vs 200W)
Intel Xeon w5 2455X 's Advantages
Released 9 years and 5 months late
Higher specification of memory (4800 vs 1600)
Newer PCIe version (5 vs 3)
Higher base frequency (3.2GHz vs 1.1GHz)
Larger L3 cache size (30MB vs 4MB)
More modern manufacturing process (10nm vs 22nm)