Those are the same Mac. Pick a different one on either side to see what changes.
What's new
RSS feedAdded MacBook, MacBook Air, MacBook Pro and MacBook Neo
45 Mac laptops from 2016 onward, checked against Apple's tech specs pages. Older models appear on the timeline and open for comparison once they are checked. Switch to Mac at the top of the home page.
Added every iPad since 2010
45 iPad, iPad mini, iPad Air and iPad Pro models, checked against Apple's tech specs pages. Switch between iPhone and iPad at the top of the home page.
Added every iPhone back to the original 2007 model
18 more models, from the first iPhone to iPhone X. Their launch prices were carrier-contract prices, which the price row now points out.