Xeon E7 2803 's Advantages
Released 3 years and 7 months late
Higher specification of memory (1333 vs 667)
Larger L3 cache size (18MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)
Opteron 8347 HE 's Advantages
Higher base frequency (1.9GHz vs 1.733GHz)
Lower TDP (68W vs 105W)