Intel Xeon Silver 4309Y 's Advantages
Higher base frequency (2.8GHz vs 2GHz)
Lower TDP (105W vs 270W)
Intel Xeon Platinum 8581V 's Advantages
Released 2 years and 8 months late
Higher specification of memory (4800 vs 2667)
Newer PCIe version (5 vs 4)
Larger L3 cache size (300MB vs 12MB)