Opteron 1352 (B2) 's Advantages
Lower TDP (95W vs 130W)
Xeon E7 8870 's Advantages
Released 2 years and 10 months late
Higher specification of memory (1333 vs 800)
Higher base frequency (2.4GHz vs 2.1GHz)
Larger L3 cache size (30MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)