Intel Xeon E5 2403 's Advantages
Higher base frequency (1.8GHz vs 1.7GHz)
Larger L3 cache size (10MB vs 6MB)
Intel Atom x7405C 's Advantages
Released 11 years and 11 months late
Higher specification of memory (4800 vs 3)
More modern manufacturing process (10nm vs 32nm)
Lower TDP (12W vs 80W)