Intel Xeon E5 1603 v3 's Advantages
Higher base frequency (2.8GHz vs 2.1GHz)
Lower TDP (140W vs 145W)
Intel Xeon Gold 5423N 's Advantages
Released 8 years and 4 months late
Higher specification of memory (4000 vs 1866)
Newer PCIe version (4 vs 3)
Larger L3 cache size (37.5MB vs 10MB)
More modern manufacturing process (10nm vs 22nm)