Opteron 8347 HE 's Advantages
Higher specification of memory (667 vs 3)
Lower TDP (68W vs 130W)
Intel Xeon W3690 's Advantages
Released 3 years and 5 months late
Higher base frequency (3.466GHz vs 1.9GHz)
Larger L3 cache size (12MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)