Opteron 8224 SE 's Advantages
Higher base frequency (3.2GHz vs 2GHz)
Lower TDP (120W vs 250W)
Xeon 6746E 's Advantages
Released 16 years and 10 months late
Higher specification of memory (5600 vs 667)
Newer PCIe version (5 vs 1)
More modern manufacturing process (5nm vs 90nm)