Xeon X3430 's Advantages
Higher base frequency (2.4GHz vs 2.2GHz)
Lower TDP (95W vs 300W)
Intel Xeon w9 3475X 's Advantages
Released 13 years and 5 months late
Higher specification of memory (4800 vs 1333)
Newer PCIe version (5 vs 2)
Larger L3 cache size (82.5MB vs 8MB)
More modern manufacturing process (10nm vs 45nm)