Intel Xeon E5 1691 v3 's Advantages
Higher base frequency (2.5GHz vs 2.1GHz)
Lower TDP (135W vs 270W)
Intel Xeon Gold 6430 's Advantages
Released 8 years and 4 months late
Higher specification of memory (4400 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (60MB vs 35MB)
More modern manufacturing process (10nm vs 22nm)