Atom S1220 's Advantages
Lower TDP (8W vs 95W)
Intel Xeon E3 1285 v4 's Advantages
Released 2 years and 6 months late
Higher specification of memory (DDR3-1866 vs DDR3)
Higher base frequency (3.5GHz vs 1.6GHz)
More modern manufacturing process (14nm vs 32nm)