When placed side by side, the MacBook Air 15" (M3) and MacBook Pro 14" (M5) reveal a clear story. In terms of height, the MacBook Air 15" (M3) stands at 237.6 mm while the MacBook Pro 14" (M5) measures 221.2 mm. The MacBook Air 15" (M3) is 16.4 mm taller. Looking at width, the MacBook Air 15" (M3) is 340.4 mm across versus the MacBook Pro 14" (M5)'s 312.6 mm. The MacBook Air 15" (M3) is 27.8 mm wider. For thickness, the MacBook Air 15" (M3) comes in at 11.5 mm compared to the MacBook Pro 14" (M5)'s 15.5 mm. The MacBook Pro 14" (M5) is 4.0 mm thicker.
The MacBook Pro 14" (M5) is heavier at 1555 grams versus 1260 grams for the MacBook Air 15" (M3). That is a 295-gram difference (23.4%). While this may seem small, you can feel a noticeable difference during extended use.
| Metric | MacBook Air 15" (M3) | MacBook Pro 14" (M5) | Diff |
|---|---|---|---|
| Width | 340.4 mm | 312.6 mm | +27.8 mm |
| Height | 237.6 mm | 221.2 mm | +16.4 mm |
| Depth | 11.5 mm | 15.5 mm | -4.0 mm |
| Weight | 1.26 kg | 1.55 kg | -295.0 mm |