Atom S1220 's Advantages
Lower TDP (8W vs 105W)
Intel Xeon E5 2658 v3 's Advantages
Released 1 years and 9 months late
Higher specification of memory (DDR4-2133 vs DDR3)
Higher base frequency (2.2GHz vs 1.6GHz)
More modern manufacturing process (22nm vs 32nm)