Comparing Canon EOS 7D Mark II AF System with 1D X and 5D Mark III

How does the 7D Mark II AF system compares with it’s older and bigger brothers 1D X  and 5D Mark III? Here is an excellent article from Chuck Westfall of Canon U.S.A., Inc via site The-Digital-Picture.com:

http://www.the-digital-picture.com/Comparisons/Canon-EOS-7D-II-1D-X-5D-III-AF-Comparison.aspx