Opteron 1352 (B2) 's Advantages
Higher specification of memory (800 vs 3)
Higher base frequency (2.1GHz vs 1.6GHz)
Intel Xeon E5603 's Advantages
Released 2 years and 8 months late
Larger L3 cache size (4MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)
Lower TDP (80W vs 95W)