Intel Xeon E3 1275 v5 's Advantages
Higher base frequency (3.6GHz vs 2.8GHz)
Lower TDP (80W vs 105W)
Intel Xeon Silver 4309Y 's Advantages
Released 5 years and 6 months late
Higher specification of memory (2667 vs 2133)
Newer PCIe version (4 vs 3)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)