Intel Xeon E5 2670 's Advantages
Released 3 years and 9 months late
Newer PCIe version (3 vs 2)
Higher base frequency (2.6GHz vs 2.1GHz)
Larger L3 cache size (20MB vs 2MB)
More modern manufacturing process (32nm vs 65nm)
Opteron 1352 (B2) 's Advantages
Higher specification of memory (800 vs 3)
Lower TDP (95W vs 115W)