Intel Xeon E5 1603 v3 's Advantages
Released 2 years and 4 months late
Higher specification of memory (1866 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.8GHz vs 2.4GHz)
Larger L3 cache size (10MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Opteron 6278 's Advantages
Lower TDP (115W vs 140W)