Intel Xeon Silver 4309Y 's Advantages
Released 3 years and 4 months late
Higher specification of memory (2667 vs 2666)
Newer PCIe version (4 vs 3)
Higher base frequency (2.8GHz vs 2.3GHz)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (105W vs 140W)
Intel Xeon W 2191B 's Advantages
Larger L3 cache size (24.75MB vs 12MB)