Intel Atom x7809C 's Advantages
Released 13 years late
Higher specification of memory (4800 vs 1333)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (25W vs 130W)
Xeon E7 2870 's Advantages
Higher base frequency (2.4GHz vs 2GHz)
Larger L3 cache size (30MB vs 6MB)