Intel Xeon E5 2603 v2 's Advantages
Released 1 years and 4 months late
Newer PCIe version (3 vs 2)
Larger L3 cache size (10MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (80W vs 115W)
Opteron 6278 's Advantages
Higher base frequency (2.4GHz vs 1.8GHz)