Intel Xeon Gold 6438N 's Advantages
Newer PCIe version (5 vs 3)
Higher base frequency (2GHz vs 1.7GHz)
Larger L3 cache size (60MB vs 6MB)
Intel Atom x7405C 's Advantages
Released 1 years and 3 months late
Higher specification of memory (DDR5-4800 vs DDR5-4800)
Lower TDP (12W vs 205W)