Intel Xeon X5677 's Advantages
Released 2 years and 11 months late
Higher specification of memory (3 vs 2)
Newer PCIe version (2 vs 1)
Higher base frequency (3.466GHz vs 3GHz)
More modern manufacturing process (32nm vs 90nm)
Opteron 2222 SE 's Advantages
Lower TDP (119W vs 130W)