Intel Xeon E5 4603 's Advantages
Lower TDP (95W vs 105W)
Intel Xeon Silver 4309Y 's Advantages
Released 8 years and 11 months late
Higher specification of memory (2667 vs 3)
Newer PCIe version (4 vs 3)
Higher base frequency (2.8GHz vs 2GHz)
Larger L3 cache size (12MB vs 10MB)
More modern manufacturing process (10nm vs 32nm)