Opteron 8347 HE (B3) 's Advantages
Lower TDP (68W vs 95W)
Xeon E 2486 's Advantages
Released 15 years and 7 months late
Higher specification of memory (4800 vs 667)
Higher base frequency (3.5GHz vs 1.9GHz)
Larger L3 cache size (18MB vs 2MB)
More modern manufacturing process (10nm vs 65nm)