Opteron 6284 SE 's Advantages
Higher base frequency (2.7GHz vs 1.6GHz)
Intel Xeon E5 2603 v3 's Advantages
Released 2 years and 4 months late
Higher specification of memory (1600 vs 1600)
Newer PCIe version (3 vs 2)
Larger L3 cache size (15MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)
Lower TDP (85W vs 140W)