Opteron 2220 's Advantages
Higher base frequency (2.8GHz vs 2.6GHz)
Xeon E 2468 's Advantages
Released 16 years and 10 months late
Higher specification of memory (4800 vs 2)
Newer PCIe version (5 vs 1)
More modern manufacturing process (10nm vs 90nm)
Lower TDP (65W vs 95W)