Opteron 6380 's Advantages
Released 2 years and 8 months late
Higher specification of memory (1866 vs 1333)
Higher base frequency (2.5GHz vs 1.866GHz)
More modern manufacturing process (32nm vs 45nm)
Xeon E7530 's Advantages
Larger L3 cache size (12MB vs 8MB)
Lower TDP (105W vs 115W)