When placed side by side, the MacBook Air 15" (M3) and MacBook Pro 16" (M4 Pro/Max) reveal a clear story. In terms of height, the MacBook Air 15" (M3) stands at 237.6 mm while the MacBook Pro 16" (M4 Pro/Max) measures 248.1 mm. The MacBook Pro 16" (M4 Pro/Max) is 10.5 mm taller. Looking at width, the MacBook Air 15" (M3) is 340.4 mm across versus the MacBook Pro 16" (M4 Pro/Max)'s 355.7 mm. The MacBook Pro 16" (M4 Pro/Max) is 15.3 mm wider. For thickness, the MacBook Air 15" (M3) comes in at 11.5 mm compared to the MacBook Pro 16" (M4 Pro/Max)'s 15.5 mm. The MacBook Pro 16" (M4 Pro/Max) is 4.0 mm thicker.
The MacBook Pro 16" (M4 Pro/Max) is heavier at 2127 grams versus 1260 grams for the MacBook Air 15" (M3). That is a 867-gram difference (68.8%). While this may seem small, you can feel a noticeable difference during extended use.
| Metric | MacBook Air 15" (M3) | MacBook Pro 16" (M4 Pro/Max) | Diff |
|---|---|---|---|
| Width | 340.4 mm | 355.7 mm | -15.3 mm |
| Height | 237.6 mm | 248.1 mm | -10.5 mm |
| Depth | 11.5 mm | 15.5 mm | -4.0 mm |
| Weight | 1.26 kg | 2.13 kg | -867.0 mm |