Opteron 8350 HE 's Advantages
Higher specification of memory (667 vs 3)
Lower TDP (79W vs 80W)
Intel Xeon E3 1220 's Advantages
Released 2 years and 6 months late
Higher base frequency (3.1GHz vs 2GHz)
Larger L3 cache size (8MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)