Xeon W 1390 's Advantages
Higher base frequency (2.8GHz vs 2.1GHz)
Lower TDP (80W vs 145W)
Intel Xeon Gold 5423N 's Advantages
Released 1 years and 8 months late
Higher specification of memory (DDR5-4000 vs DDR4-3200)
Larger L3 cache size (37.5MB vs 16MB)
More modern manufacturing process (10nm vs 14nm)