Intel Xeon E3 1220L v2 's Advantages
Newer PCIe version (3 vs 2)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (17W vs 115W)
Opteron 6344 's Advantages
Released 6 months late
Higher specification of memory (1866 vs 3)
Higher base frequency (2.6GHz vs 2.3GHz)