Intel Xeon Gold 6426Y 's Advantages
Released 8 years and 4 months late
Higher specification of memory (DDR5-4800 vs DDR4-2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (37.5MB vs 20MB)
More modern manufacturing process (10nm vs 22nm)
Intel Xeon E5 1660 v3 's Advantages
Higher base frequency (3GHz vs 2.5GHz)
Lower TDP (140W vs 185W)