Intel Xeon Silver 4309Y 's Advantages
Released 2 years and 4 months late
Higher specification of memory (2667 vs 4)
Higher base frequency (2.8GHz vs 2.7GHz)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (105W vs 205W)
Xeon Platinum 8280 's Advantages
Larger L3 cache size (38.5MB vs 12MB)