Intel Atom x7405C 's Advantages
Released 14 years and 10 months late
Higher specification of memory (4800 vs 1333)
Newer PCIe version (3 vs 2)
More modern manufacturing process (10nm vs 45nm)
Lower TDP (12W vs 115W)
Opteron 1381 's Advantages
Higher base frequency (2.5GHz vs 1.7GHz)