iPad Air 11" (M2) vs iPad Air 13" (M3)

The iPad Air 11" (M2) and iPad Air 13" (M3) are most easily told apart by their overall size. On height, the iPad Air 13" (M3) measures 280.6 mm against the iPad Air 11" (M2)'s 249.7 mm — about 30.9 mm more. On width, the iPad Air 13" (M3) measures 214.9 mm against the iPad Air 11" (M2)'s 177.5 mm — about 37.4 mm more. They match almost exactly in thickness, at 6.1 mm.

The iPad Air 11" (M2) is the heavier of the two at 462 g, compared with 460 g for the iPad Air 13" (M3). That is a 2 g difference (0%). The gap is small enough that you would barely notice it day to day.