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 95W)
Intel Xeon X5675 's Advantages
Higher base frequency (3.066GHz vs 2GHz)
Larger L3 cache size (12MB vs 6MB)