
The iPhone 15 Plus and iPhone 17 Pro are most easily told apart by their overall size. On height, the iPhone 15 Plus measures 160.9 mm against the iPhone 17 Pro's 150.0 mm — about 10.9 mm more. On width, the iPhone 15 Plus measures 77.8 mm against the iPhone 17 Pro's 71.9 mm — about 5.9 mm more. On thickness, the iPhone 17 Pro measures 8.8 mm against the iPhone 15 Plus's 7.8 mm — about 1.0 mm more.
The iPhone 17 Pro is the heavier of the two at 206 g, compared with 201 g for the iPhone 15 Plus. That is a 5 g difference (2%). The gap is small enough that you would barely notice it day to day.
Fits in most pockets, may feel snug when sitting.
Most of the screen is reachable, shifting grip needed for corners.
Fits in most pockets, may feel snug when sitting.
Most of the screen is reachable, shifting grip needed for corners.
| Metric | iPhone 15 Plus | iPhone 17 Pro | Diff |
|---|---|---|---|
| Width | 77.8 mm | 71.9 mm | +5.9 mm |
| Height | 160.9 mm | 150.0 mm | +10.9 mm |
| Depth | 7.8 mm | 8.8 mm | -1.0 mm |
| Weight | 201 g | 206 g | -5 g |