Intel Xeon E5 1691 v3 's Advantages
Released 8 years and 1 months late
Higher specification of memory (2133 vs 667)
Newer PCIe version (3 vs 1)
Higher base frequency (2.5GHz vs 2.4GHz)
More modern manufacturing process (22nm vs 90nm)
Opteron 8216 HE (F3) 's Advantages
Lower TDP (68W vs 135W)