Opteron 6180 SE 's Advantages
Higher base frequency (2.5GHz vs 2.3GHz)
Lower TDP (140W vs 145W)
Intel Xeon E5 2699 v3 's Advantages
Released 3 years and 7 months late
Higher specification of memory (2133 vs 1333)
Newer PCIe version (3 vs 2)
Larger L3 cache size (45MB vs 12MB)
More modern manufacturing process (22nm vs 45nm)