Intel Xeon X5687 's Advantages
Higher base frequency (3.6GHz vs 2GHz)
Larger L3 cache size (12MB vs 6MB)
Intel Atom x7809C 's Advantages
Released 13 years and 2 months late
Higher specification of memory (4800 vs 3)
Newer PCIe version (3 vs 2)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (25W vs 130W)