Opteron 6180 SE 's Advantages
Higher specification of memory (1333 vs 3)
Higher base frequency (2.5GHz vs 1GHz)
Larger L3 cache size (12MB vs 6MB)
Intel Xeon E3 1105C 's Advantages
Released 1 years and 3 months late
More modern manufacturing process (32nm vs 45nm)
Lower TDP (25W vs 140W)