Opteron 3320 EE 's Advantages
Lower TDP (25W vs 72W)
Intel Xeon E 2124 's Advantages
Released 5 years and 5 months late
Higher specification of memory (4 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (3.4GHz vs 1.9GHz)
More modern manufacturing process (14nm vs 32nm)