Intel Xeon E5 2689 's Advantages
Released 4 years and 7 months late
Higher specification of memory (1600 vs 2)
Newer PCIe version (3 vs 1)
More modern manufacturing process (32nm vs 90nm)
Lower TDP (115W vs 119W)
Opteron 2224 SE 's Advantages
Higher base frequency (3.2GHz vs 2.6GHz)