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The iPhone 17 Pro Max and Samsung Galaxy S25 Ultra are most easily told apart by their overall size. They match almost exactly in height, at 163.0 mm. They match almost exactly in width, at 77.6 mm. On thickness, the iPhone 17 Pro Max measures 8.8 mm against the Samsung Galaxy S25 Ultra's 8.2 mm — about 0.6 mm more.
The iPhone 17 Pro Max is the heavier of the two at 227 g, compared with 218 g for the Samsung Galaxy S25 Ultra. That is a 9 g difference (4%). 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 17 Pro Max | Samsung Galaxy S25 Ultra | Diff |
|---|---|---|---|
| Width | 77.6 mm | 77.6 mm | 0.0 mm |
| Height | 163.0 mm | 162.8 mm | +0.2 mm |
| Depth | 8.8 mm | 8.2 mm | +0.6 mm |
| Weight | 227 g | 218 g | +9.0 mm |