Intel Xeon Silver 4309Y 's Advantages
Released 3 years and 8 months late
Higher specification of memory (2667 vs 2666)
Newer PCIe version (4 vs 3)
Larger L3 cache size (12MB vs 8.25MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (105W vs 120W)
Intel Xeon W 2125 's Advantages
Higher base frequency (4GHz vs 2.8GHz)