Intel Xeon Silver 4309Y 's Advantages
Released 6 years and 7 months late
Higher specification of memory (2667 vs 2133)
Newer PCIe version (4 vs 3)
Higher base frequency (2.8GHz vs 2.6GHz)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (105W vs 135W)
Intel Xeon E5 1686 v3 's Advantages
Larger L3 cache size (30MB vs 12MB)