Intel Xeon E5 2648L v3 's Advantages
Released 7 years and 7 months late
Higher specification of memory (2133 vs 2)
Newer PCIe version (3 vs 1)
More modern manufacturing process (22nm vs 90nm)
Lower TDP (75W vs 95W)
Opteron 2220 's Advantages
Higher base frequency (2.8GHz vs 1.8GHz)