Intel Xeon E5 2643 v2 's Advantages
Released 6 years and 1 months late
Higher specification of memory (3 vs 2)
Newer PCIe version (3 vs 1)
Higher base frequency (3.5GHz vs 3.2GHz)
More modern manufacturing process (22nm vs 90nm)
Opteron 2224 SE 's Advantages
Lower TDP (119W vs 130W)