Intel Xeon E5 1650 v2 's Advantages
Released 10 months late
Newer PCIe version (3 vs 2)
Higher base frequency (3.5GHz vs 2.6GHz)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 6344 's Advantages
Lower TDP (115W vs 130W)