Intel Xeon W 3365 's Advantages
Newer PCIe version (4 vs 3)
Higher base frequency (2.7GHz vs 2GHz)
Larger L3 cache size (48MB vs 6MB)
Intel Atom x7809C 's Advantages
Released 2 years and 9 months late
Higher specification of memory (DDR5-4800 vs DDR4-3200)
Lower TDP (25W vs 270W)