Opteron 13QS HE 's Advantages
Higher specification of memory (1333 vs 3)
Lower TDP (71W vs 80W)
Intel Xeon E3 1270 's Advantages
Released 2 years late
Newer PCIe version (3 vs 2)
Higher base frequency (3.4GHz vs 2.4GHz)
Larger L3 cache size (8MB vs 6MB)
More modern manufacturing process (32nm vs 45nm)