Opteron 6168 's Advantages
Larger L3 cache size (12MB vs 8MB)
Xeon E 2224 's Advantages
Released 9 years and 2 months late
Higher specification of memory (2666 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.4GHz vs 1.9GHz)
More modern manufacturing process (14nm vs 45nm)
Lower TDP (71W vs 115W)