Intel Xeon Silver 4309Y 's Advantages
Released 9 years and 1 months late
Higher specification of memory (2667 vs 3)
Newer PCIe version (4 vs 3)
Higher base frequency (2.8GHz vs 1.8GHz)
More modern manufacturing process (10nm vs 32nm)
Intel Xeon E5 2648L 's Advantages
Larger L3 cache size (20MB vs 12MB)
Lower TDP (70W vs 105W)