Intel Xeon E5 2680 's Advantages
Released 5 years and 7 months late
Newer PCIe version (3 vs 1)
Higher base frequency (2.7GHz vs 2.4GHz)
More modern manufacturing process (32nm vs 90nm)
Opteron 8216 (F2) 's Advantages
Higher specification of memory (667 vs 3)
Lower TDP (95W vs 130W)