Intel Xeon W3670 's Advantages
Higher base frequency (3.2GHz vs 2.1GHz)
Lower TDP (130W vs 270W)
Intel Xeon Gold 6430 's Advantages
Released 12 years and 5 months late
Higher specification of memory (DDR5-4400 vs DDR3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (60MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)