Intel Xeon W 2123 's Advantages
Higher base frequency (3.6GHz vs 2.1GHz)
Lower TDP (120W vs 270W)
Intel Xeon Gold 6430 's Advantages
Released 5 years and 5 months late
Higher specification of memory (4400 vs 2666)
Newer PCIe version (5 vs 3)
Larger L3 cache size (60MB vs 8.25MB)
More modern manufacturing process (10nm vs 14nm)