Intel Xeon E5 2689 's Advantages
Released 4 years and 6 months late
Higher specification of memory (1600 vs 667)
Higher base frequency (2.6GHz vs 1.9GHz)
Larger L3 cache size (20MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)
Opteron 8347 HE 's Advantages
Lower TDP (68W vs 115W)