Opteron 6320 's Advantages
Higher specification of memory (1866 vs 4)
Intel Xeon E 2124 's Advantages
Released 5 years and 6 months late
Newer PCIe version (3 vs 2)
Higher base frequency (3.4GHz vs 2.8GHz)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (72W vs 115W)