Opteron 8350 HE 's Advantages
Higher specification of memory (667 vs 3)
Higher base frequency (2GHz vs 1.6GHz)
Lower TDP (79W vs 80W)
Intel Xeon E5603 's Advantages
Released 2 years and 4 months late
Larger L3 cache size (4MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)