iPhone 17 vs iPhone 15 size
The iPhone 17 measures 149.6 x 71.5 x 7.95 mm and the iPhone 15 measures 147.6 x 71.6 x 7.8 mm. The iPhone 17 is the bigger phone. Its front covers 1.2% more area than the iPhone 15.
- iPhone 17177 g149.6 x 71.5 x 8 mm
- iPhone 15171 g147.6 x 71.6 x 7.8 mm
Outlines are drawn from published dimensions. Screen and camera shapes are simplified.
How the iPhone 17 measures up
| Spec | iPhone 17 | iPhone 15 | Difference |
|---|---|---|---|
| Height | 149.6 mm 5.89 in | 147.6 mm 5.81 in | +2 mm (+1.4%) |
| Width | 71.5 mm 2.81 in | 71.6 mm 2.82 in | -0.1 mm (-0.1%) |
| Thickness | 7.95 mm 0.31 in | 7.8 mm 0.31 in | +0.15 mm (+1.9%) |
| Weight | 177 g 6.2 oz | 171 g 6.0 oz | +6 g (+3.5%) |
| Screen | 6.3 in | 6.1 in | +0.2 in (+3.3%) |
| Front footprint | 107 cm² | 105.7 cm² | +1.3 cm² (+1.2%) |
What the difference feels like
The two are within 0.1 mm of each other in width, which is the measurement your grip notices most, so they should feel close to the same in the hand.
In a jeans pocket the iPhone 17 sits 2 mm higher, about 0.08 inches.
The iPhone 17 is 6 g heavier, which most people will not notice day to day.
Common questions
Is the iPhone 17 bigger than the iPhone 15?
The iPhone 17 is the bigger phone. Its front covers 1.2% more area than the iPhone 15. Height differs by 2 mm and width by 0.1 mm.
Will a iPhone 15 case fit the iPhone 17?
No. A case is cut for one model's exact size, buttons and camera, and these two differ by 2 mm in height and 0.1 mm in width. Buy a case made for the iPhone 17.
Which is easier to use with one hand?
The iPhone 17, because it is 0.1 mm narrower. Width matters more than height for reaching across the screen with your thumb.
Cases and prices
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Sources
- iPhone 17: manufacturer spec page
- iPhone 15: manufacturer spec page
See each phone's page for the full spec: iPhone 17 and iPhone 15.