When placed side by side, the iPhone 15 and Apple Watch Series 10 (46mm) reveal a clear story. In terms of height, the iPhone 15 stands at 147.6 mm while the Apple Watch Series 10 (46mm) measures 46.0 mm. The iPhone 15 is 101.6 mm taller. Looking at width, the iPhone 15 is 71.6 mm across versus the Apple Watch Series 10 (46mm)'s 39.4 mm. The iPhone 15 is 32.2 mm wider. For thickness, the iPhone 15 comes in at 7.8 mm compared to the Apple Watch Series 10 (46mm)'s 9.7 mm. The Apple Watch Series 10 (46mm) is 1.9 mm thicker.
The iPhone 15 is heavier at 171 grams versus 34.2 grams for the Apple Watch Series 10 (46mm). That is a 136.8-gram difference (400.0%). While this may seem small, you can feel a noticeable difference during extended use.
Fits comfortably in most front pockets.
Most of the screen is reachable, shifting grip needed for corners.
| Metric | iPhone 15 | Apple Watch Series 10 (46mm) | Diff |
|---|---|---|---|
| Width | 71.6 mm | 39.4 mm | +32.2 mm |
| Height | 147.6 mm | 46.0 mm | +101.6 mm |
| Depth | 7.8 mm | 9.7 mm | -1.9 mm |
| Weight | 171 g | 34.2 g | +136.8 mm |