Intel Xeon W 2123 's Advantages
Higher base frequency (3.6GHz vs 1.7GHz)
Larger L3 cache size (8.25MB vs 6MB)
Intel Atom x7405C 's Advantages
Released 6 years and 8 months late
Higher specification of memory (4800 vs 2666)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (12W vs 120W)