Opteron 2222 's Advantages
Higher base frequency (3GHz vs 2GHz)
Intel Xeon E3 1278L v4 's Advantages
Released 7 years and 10 months late
Higher specification of memory (1600 vs 2)
Newer PCIe version (3 vs 1)
More modern manufacturing process (14nm vs 90nm)
Lower TDP (47W vs 95W)