iPhone 17 vs iPhone 15: Size & Dimensions Compared
The iPhone 17 is the larger phone, measuring 2.0mm taller and 0.1mm narrower.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Screen sizes differ (6.3" vs 6.1") — protector won't fit.
| Dimension | iPhone 17 | iPhone 15 | Difference |
|---|---|---|---|
| Height | 149.6mm | 147.6mm | iPhone 15 -2.0mm (shorter) |
| Width | 71.5mm | 71.6mm | iPhone 15 +0.1mm (wider) |
| Thickness | 7.95mm | 7.8mm | iPhone 15 -0.2mm (thinner) |
| Weight | 177g | 171g | iPhone 15 -6.0g (lighter) |
| Screen | 6.3" | 6.1" | iPhone 15 -0.2" (smaller) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The iPhone 17 is the taller phone at 149.6mm (vs 147.6mm). It is also 6g heavier.
Wireless Charging & MagSafe Compatibility
Wireless chargers and magnetic accessories work with both phones.
- ✓Your MagSafe charger will work with both devices.
- ✓Max wireless speed differs: iPhone 17 charges at 25W, iPhone 15 at 15W.
- ✓Both devices have built-in magnets — MagSafe wallets, car mounts, and battery packs will snap onto either phone.
| Spec | iPhone 17 | iPhone 15 |
|---|---|---|
| Wireless Charging | 25W | 15W |
| Qi Version | Qi2 | Qi |
| MagSafe | Gen 2 | Gen 1 |
| Built-in Magnets | Yes | Yes |
| Magnet Ring | closed circle | closed circle |
MagSafe cases are NOT cross-compatible between these devices — the case body is shaped to each phone, even though the internal magnet ring may be the same.
Upgrading from iPhone 17 to iPhone 15?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for iPhone 17
Accessories for iPhone 15
Apple
Apple iPhone 15 Silicone Case with MagSafe
$49.00
Spigen
Spigen Liquid Air Case for iPhone 15
$15.99
OtterBox
OtterBox Defender Series Case for iPhone 15
$64.95
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Frequently Asked Questions
Is iPhone 17 bigger than iPhone 15?
Yes, the iPhone 17 is 2.0mm taller and 0.1mm narrower. The iPhone 17 weighs 177g vs 171g.
Are iPhone 17 and iPhone 15 the same size?
No, the height differs by 2.0mm, width by 0.1mm, and thickness by 0.2mm.