Intel Xeon Gold 5423N 's Advantages
Released 12 years and 11 months late
Higher specification of memory (4000 vs 1066)
Newer PCIe version (4 vs 2)
Higher base frequency (2.1GHz vs 2GHz)
Larger L3 cache size (37.5MB vs 8MB)
More modern manufacturing process (10nm vs 45nm)
Xeon EC5509 's Advantages
Lower TDP (85W vs 145W)