Intel Xeon E3 1285 v4 's Advantages
Higher base frequency (3.5GHz vs 2.1GHz)
Lower TDP (95W vs 145W)
Intel Xeon Gold 5423N 's Advantages
Released 7 years and 7 months late
Higher specification of memory (DDR5-4000 vs DDR3-1866)
Newer PCIe version (4 vs 3)
Larger L3 cache size (37.5MB vs 6MB)
More modern manufacturing process (10nm vs 14nm)