There is no comparison....below is the answer to an entry I had for this in my "Trivia Stress Break" showing how far ahead Hong Kong is from 2nd place (NYC) for buildings with 40 floors or more  >>

1) Hong Kong - 393 skyscrapers of 40 floors or more

Tallest Building = Two International Finance Centre

(1,361ft - 88 floors - 2003)

   

2) New York City- 199 skyscrapers of 40 floors or more

Tallest Building = Empire State Building

(1,250ft - 102 floors - 1931)