After reading about the math behind a 4-inch iPhone screen, readers said the comparisons between different screen aspect ratios would be a lot more helpful with additional mockups aside from the 16:9-screened iPhone we put up. After hacking and slashing my way through a photo editor, I've created a gallery of mockups using the existing iPhone 4 handset as a template. You'll see the current iPhone 4 compared against the same handset with a 4-inch screen in several formats, including its current 3:2 aspect ratio, the iPad's 4:3 format, the 16:10 ratio used in the MacBook and MacBook Pro and the 16:9 format from the "doing the math" post.
I'm not an expert photo manipulator by any means, and these pictures won't be as pixel-
