Intel Xeon w5 2455X 's Advantages
Released 7 years late
Higher specification of memory (4800 vs 4)
Newer PCIe version (5 vs 3)
Higher base frequency (3.2GHz vs 1.7GHz)
Larger L3 cache size (30MB vs 1.5MB)
More modern manufacturing process (10nm vs 14nm)
Intel Xeon D 1587 's Advantages
Lower TDP (65W vs 200W)