Intel Atom x7809C 's Advantages
Higher base frequency (2GHz vs 1.8GHz)
Lower TDP (25W vs 350W)
Xeon 6944P 's Advantages
Released 10 months late
Higher specification of memory (6400 vs 4800)
Newer PCIe version (5 vs 3)
Larger L3 cache size (432MB vs 6MB)
More modern manufacturing process (5nm vs 10nm)