Opteron 3320 EE 's Advantages
Larger L3 cache size (8MB vs 6MB)
Lower TDP (25W vs 47W)
Intel Xeon E3 1284L v4 's Advantages
Released 2 years and 6 months late
Higher specification of memory (1866 vs 3)
Newer PCIe version (3 vs 2)
Higher base frequency (2.9GHz vs 1.9GHz)
More modern manufacturing process (14nm vs 32nm)