Intel Xeon E5 2620 's Advantages
Lower TDP (95W vs 145W)
Intel Xeon Gold 5423N 's Advantages
Released 10 years and 10 months late
Higher specification of memory (DDR5-4000 vs DDR3)
Newer PCIe version (4 vs 3)
Higher base frequency (2.1GHz vs 2GHz)
Larger L3 cache size (37.5MB vs 15MB)
More modern manufacturing process (10nm vs 32nm)