Xeon X3460 's Advantages
Higher base frequency (2.8GHz vs 2GHz)
Larger L3 cache size (8MB vs 6MB)
Intel Atom x7809C 's Advantages
Released 14 years and 7 months late
Higher specification of memory (4800 vs 1333)
Newer PCIe version (3 vs 2)
More modern manufacturing process (10nm vs 45nm)
Lower TDP (25W vs 95W)