Intel Xeon D 1518 's Advantages
Lower TDP (35W vs 175W)
Intel Xeon w5 2445 's Advantages
Released 7 years and 11 months late
Higher specification of memory (DDR5-4800 vs DDR3)
Newer PCIe version (5 vs 3)
Higher base frequency (3.1GHz vs 2.2GHz)
Larger L3 cache size (26.25MB vs 1.5MB)
More modern manufacturing process (10nm vs 14nm)