Intel Xeon X5660 's Advantages
Higher base frequency (2.8GHz vs 2.1GHz)
Lower TDP (95W vs 270W)
Intel Xeon Gold 6430 's Advantages
Released 12 years and 10 months late
Higher specification of memory (4400 vs 3)
Newer PCIe version (5 vs 2)
Larger L3 cache size (60MB vs 12MB)
More modern manufacturing process (10nm vs 32nm)