Opteron 8218 (F3) 's Advantages
Higher base frequency (2.6GHz vs 2.1GHz)
Lower TDP (95W vs 500W)
Xeon 6979P 's Advantages
Released 18 years and 1 months late
Higher specification of memory (8800 vs 667)
Newer PCIe version (5 vs 1)
More modern manufacturing process (5nm vs 90nm)