Opteron 6328 's Advantages
Higher base frequency (3.2GHz vs 2GHz)
Intel Xeon E7 8880L v3 's Advantages
Released 2 years and 7 months late
Higher specification of memory (1866 vs 1866)
Newer PCIe version (3 vs 2)
Larger L3 cache size (45MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)