Intel Xeon E5 4669 v3 's Advantages
Larger L3 cache size (45MB vs 30MB)
Lower TDP (135W vs 200W)
Intel Xeon w5 2455X 's Advantages
Released 7 years and 8 months late
Higher specification of memory (DDR5-4800 vs DDR4-2133)
Newer PCIe version (5 vs 3)
Higher base frequency (3.2GHz vs 2.1GHz)
More modern manufacturing process (10nm vs 22nm)