Intel Xeon Gold 6434H 's Advantages
Higher specification of memory (4800 vs 4000)
Newer PCIe version (5 vs 4)
Higher base frequency (3.7GHz vs 2.1GHz)
Intel Xeon Gold 5423N 's Advantages
Larger L3 cache size (37.5MB vs 22.5MB)
Lower TDP (145W vs 195W)