Opteron 4386 's Advantages
Higher base frequency (3.1GHz vs 2.1GHz)
Lower TDP (95W vs 115W)
Intel Xeon E7 4830 v3 's Advantages
Released 2 years and 6 months late
Higher specification of memory (1866 vs 3)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (22nm vs 32nm)