
The MacBook Air 13" (M4) and MacBook Pro 16" (M4 Pro/Max) are most easily told apart by their overall size. On height, the MacBook Pro 16" (M4 Pro/Max) measures 248.1 mm against the MacBook Air 13" (M4)'s 215.0 mm — about 33.1 mm more. On width, the MacBook Pro 16" (M4 Pro/Max) measures 355.7 mm against the MacBook Air 13" (M4)'s 304.1 mm — about 51.6 mm more. On thickness, the MacBook Pro 16" (M4 Pro/Max) measures 15.5 mm against the MacBook Air 13" (M4)'s 11.3 mm — about 4.2 mm more.
The MacBook Pro 16" (M4 Pro/Max) is the heavier of the two at 2.13 kg, compared with 1.26 kg for the MacBook Air 13" (M4). That is a 867 g difference (69%). In daily handling the difference is easy to feel.
| Metric | MacBook Air 13" (M4) | MacBook Pro 16" (M4 Pro/Max) | Diff |
|---|---|---|---|
| Width | 304.1 mm | 355.7 mm | -51.6 mm |
| Height | 215.0 mm | 248.1 mm | -33.1 mm |
| Depth | 11.3 mm | 15.5 mm | -4.2 mm |
| Weight | 1.26 kg | 2.13 kg | -867.0 mm |