Intel Xeon E3 1225 's Advantages
Higher base frequency (3.1GHz vs 2.1GHz)
Lower TDP (95W vs 145W)
Intel Xeon Gold 5423N 's Advantages
Released 11 years and 9 months late
Higher specification of memory (4000 vs 3)
Newer PCIe version (4 vs 3)
Larger L3 cache size (37.5MB vs 6MB)
More modern manufacturing process (10nm vs 32nm)