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The iPhone 15 Plus and iPhone 17 Pro Max are most easily told apart by their overall size. On height, the iPhone 17 Pro Max measures 163.4 mm against the iPhone 15 Plus's 160.9 mm — about 2.5 mm more. They match almost exactly in width, at 77.8 mm. On thickness, the iPhone 17 Pro Max measures 8.8 mm against the iPhone 15 Plus's 7.8 mm — about 1.0 mm more.
The iPhone 17 Pro Max is the heavier of the two at 233 g, compared with 201 g for the iPhone 15 Plus. That is a 32 g difference (16%). In daily handling the difference is easy to feel.
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 Max | Diff |
|---|---|---|---|
| Width | 77.8 mm | 78.0 mm | -0.2 mm |
| Height | 160.9 mm | 163.4 mm | -2.5 mm |
| Depth | 7.8 mm | 8.8 mm | -1.0 mm |
| Weight | 201 g | 233 g | -32 g |