Intel Xeon Silver 4309Y 's Advantages
Newer PCIe version (4 vs 3)
Higher base frequency (2.8GHz vs 1.5GHz)
Larger L3 cache size (12MB vs 6MB)
Intel Atom x7433RE 's Advantages
Released 3 years late
Higher specification of memory (4800 vs 2667)
Lower TDP (9W vs 105W)