Opteron 6284 SE 's Advantages
Released 2 years and 2 months late
Higher specification of memory (1600 vs 1333)
Higher base frequency (2.7GHz vs 1.733GHz)
More modern manufacturing process (32nm vs 45nm)
Xeon E6510 's Advantages
Larger L3 cache size (12MB vs 8MB)
Lower TDP (105W vs 140W)