Intel Xeon E5 1680 v3 's Advantages
Higher base frequency (3.2GHz vs 2.8GHz)
Larger L3 cache size (20MB vs 12MB)
Intel Xeon Silver 4309Y 's Advantages
Released 6 years and 7 months late
Higher specification of memory (DDR4-2667 vs DDR4-2133)
Newer PCIe version (4 vs 3)
More modern manufacturing process (10nm vs 22nm)
Lower TDP (105W vs 140W)