Intel Xeon E5 2629 v3 's Advantages
Released 2 years and 4 months late
Higher specification of memory (1866 vs 1600)
Newer PCIe version (3 vs 2)
Larger L3 cache size (20MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (85W vs 130W)
Opteron 6281 's Advantages
Higher base frequency (2.5GHz vs 2.4GHz)