Intel Xeon E5 2665 's Advantages
Higher base frequency (2.4GHz vs 2.1GHz)
Lower TDP (115W vs 270W)
Intel Xeon Gold 6430 's Advantages
Released 10 years and 10 months late
Higher specification of memory (4400 vs 3)
Newer PCIe version (5 vs 3)
Larger L3 cache size (60MB vs 20MB)
More modern manufacturing process (10nm vs 32nm)