Opteron 2218 (F3) 's Advantages
Higher base frequency (2.6GHz vs 1.8GHz)
Intel Xeon D 1581 's Advantages
Released 9 years and 6 months late
Higher specification of memory (4 vs 2)
Newer PCIe version (3 vs 1)
More modern manufacturing process (14nm vs 90nm)
Lower TDP (65W vs 95W)