Intel Xeon E5 2698A v3 's Advantages
Released 2 years late
Higher specification of memory (2133 vs 1866)
Newer PCIe version (3 vs 2)
Larger L3 cache size (40MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 6308 's Advantages
Higher base frequency (3.5GHz vs 2.8GHz)
Lower TDP (115W vs 165W)