When placed side by side, the MacBook Air 13" (M4) and Apple Watch Ultra 3 reveal a clear story. In terms of height, the MacBook Air 13" (M4) stands at 215.0 mm while the Apple Watch Ultra 3 measures 49.0 mm. The MacBook Air 13" (M4) is 166.0 mm taller. Looking at width, the MacBook Air 13" (M4) is 304.1 mm across versus the Apple Watch Ultra 3's 44.0 mm. The MacBook Air 13" (M4) is 260.1 mm wider. For thickness, the MacBook Air 13" (M4) comes in at 11.3 mm compared to the Apple Watch Ultra 3's 14.4 mm. The Apple Watch Ultra 3 is 3.1 mm thicker.
The MacBook Air 13" (M4) is heavier at 1260 grams versus 61.4 grams for the Apple Watch Ultra 3. That is a 1198.6-gram difference (1952.1%). While this may seem small, you can feel a noticeable difference during extended use.
| Metric | MacBook Air 13" (M4) | Apple Watch Ultra 3 | Diff |
|---|---|---|---|
| Width | 304.1 mm | 44.0 mm | +260.1 mm |
| Height | 215.0 mm | 49.0 mm | +166.0 mm |
| Depth | 11.3 mm | 14.4 mm | -3.1 mm |
| Weight | 1.26 kg | 61.4 g | +1198.6 mm |