Xeon E6510 's Advantages
Larger L3 cache size (12MB vs 8MB)
Lower TDP (105W vs 115W)
Opteron 6380 's Advantages
Released 2 years and 8 months late
Higher specification of memory (1866 vs 1333)
Higher base frequency (2.5GHz vs 1.733GHz)
More modern manufacturing process (32nm vs 45nm)