Opteron 8224 SE 's Advantages
Higher base frequency (3.2GHz vs 2.9GHz)
Xeon E 2186M 's Advantages
Released 10 years and 8 months late
Higher specification of memory (2666 vs 667)
Newer PCIe version (3 vs 1)
More modern manufacturing process (14nm vs 90nm)
Lower TDP (45W vs 120W)