Intel Xeon Silver 4309Y 's Advantages
Released 12 years and 1 months late
Higher specification of memory (2667 vs 1333)
Newer PCIe version (4 vs 2)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (10nm vs 45nm)
Lower TDP (105W vs 130W)
Xeon W5580 's Advantages
Higher base frequency (3.2GHz vs 2.8GHz)