Opteron 8347 HE 's Advantages
Higher specification of memory (667 vs 3)
Lower TDP (68W vs 150W)
Intel Xeon E5 2687W 's Advantages
Released 4 years and 6 months late
Higher base frequency (3.1GHz vs 1.9GHz)
Larger L3 cache size (20MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)