iPhone 15 vs iPhone 16: size comparison
iPhone 16 and iPhone 15 have the same height and width.
iPhone 15 measures 147.6 x 71.6 x 7.8 mm (height x width x thickness), while iPhone 16 measures 147.6 x 71.6 x 7.8 mm.
Both phones are drawn to the same scale on a grid where each square is 10 mm. Blue is iPhone 15, coral is iPhone 16.
| iPhone 15 | iPhone 16 | Difference | |
|---|---|---|---|
| Height | 147.6 mm | 147.6 mm | 0.0 mm |
| Width | 71.6 mm | 71.6 mm | 0.0 mm |
| Thickness | 7.8 mm | 7.8 mm | 0.0 mm |
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What the size difference means in daily use
One-handed use
The two phones are almost exactly as wide (71.6 mm and 71.6 mm), so reaching across the screen with one hand should feel much the same on both.
Pockets and bags
The heights are within a millimetre of each other, so neither phone sits noticeably deeper in a pocket. Thickness differs by only 0.0 mm, which is too small to notice in everyday use.
Cases and screen protectors
The outside sizes are almost identical, but cases also depend on camera cut-outs, button positions and port locations, so check the exact model before buying accessories made for the other phone.
Frequently asked questions
Is iPhone 16 bigger than iPhone 15?
iPhone 16 and iPhone 15 have the same height and width. Thickness is the same.
Will a case for iPhone 15 fit iPhone 16?
The outside sizes are almost identical, but cases also depend on camera cut-outs, button positions and port locations, so check the exact model before buying accessories made for the other phone.
Which is easier to hold with one hand, iPhone 15 or iPhone 16?
The two phones are almost exactly as wide (71.6 mm and 71.6 mm), so reaching across the screen with one hand should feel much the same on both.
About these numbers
Sizes are height x width x thickness in millimetres, taken from manufacturer and retailer spec pages and phone databases. Thickness can differ slightly by colour or back material, and where sources show a range we use the larger value. If you spot a wrong number, please tell us and we will fix it.