Opteron 6272 's Advantages
Released 1 years and 9 months late
Larger L3 cache size (16MB vs 8MB)
More modern manufacturing process (32nm vs 45nm)
Xeon EC3529 's Advantages
Higher specification of memory (1066 vs 3)
Higher base frequency (2.133GHz vs 2.1GHz)
Lower TDP (65W vs 115W)