Opteron 2218 HE 's Advantages
Lower TDP (68W vs 130W)
Intel Xeon X5677 's Advantages
Released 3 years and 1 months late
Higher specification of memory (3 vs 2)
Newer PCIe version (2 vs 1)
Higher base frequency (3.466GHz vs 2.6GHz)
More modern manufacturing process (32nm vs 90nm)