Intel Xeon Platinum 8490H 's Advantages
Higher specification of memory (4800 vs 4000)
Newer PCIe version (5 vs 4)
Larger L3 cache size (112.5MB vs 37.5MB)
Intel Xeon Gold 5423N 's Advantages
Higher base frequency (2.1GHz vs 1.9GHz)
Lower TDP (145W vs 350W)