Opteron 6168 's Advantages
Lower TDP (115W vs 140W)
Intel Xeon E7 8870 v3 's Advantages
Released 5 years and 3 months late
Higher specification of memory (DDR3 vs DDR3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.1GHz vs 1.9GHz)
Larger L3 cache size (45MB vs 12MB)