Xeon EC3529 's Advantages
Higher base frequency (2.133GHz vs 2.1GHz)
Lower TDP (65W vs 145W)
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)
Larger L3 cache size (37.5MB vs 8MB)
More modern manufacturing process (10nm vs 45nm)