Opteron 8347 HE 's Advantages
Higher specification of memory (667 vs 3)
Lower TDP (68W vs 130W)
Intel Xeon E5 2687W v2 's Advantages
Released 6 years late
Higher base frequency (3.4GHz vs 1.9GHz)
Larger L3 cache size (20MB vs 2MB)
More modern manufacturing process (22nm vs 65nm)