Opteron 2216 HE (F3) 's Advantages
Higher base frequency (2.4GHz vs 2.1GHz)
Lower TDP (68W vs 95W)
Intel Xeon E5 2658 's Advantages
Released 5 years and 7 months late
Higher specification of memory (3 vs 2)
Newer PCIe version (3 vs 1)
More modern manufacturing process (32nm vs 90nm)