iPhone 17 vs iPhone 8: Size & Dimensions Compared
The iPhone 17 is the larger phone, measuring 11.2mm taller and 4.2mm wider.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Edge types differ (curved vs rounded) — screen protector won't adhere properly.
| Dimension | iPhone 17 | iPhone 8 | Difference |
|---|---|---|---|
| Height | 149.6mm | 138.4mm | iPhone 8 -11.2mm (shorter) |
| Width | 71.5mm | 67.3mm | iPhone 8 -4.2mm (narrower) |
| Thickness | 7.95mm | 7.3mm | iPhone 8 -0.7mm (thinner) |
| Weight | 177g | 148g | iPhone 8 -29.0g (lighter) |
| Screen | 6.3" | 4.7" | iPhone 8 -1.6" (smaller) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The iPhone 17 is the taller phone at 149.6mm (vs 138.4mm). It is also 29g heavier.
Wireless Charging & MagSafe Compatibility
Wireless chargers work with both phones, but magnetic snap varies.
- ⚠Your MagSafe charger will charge the iPhone 8 via Qi, but it won't magnetically snap on.
- ✓Only the iPhone 17 has built-in magnets for MagSafe accessories. The iPhone 8 needs a magnetic case or ring adapter.
| Spec | iPhone 17 | iPhone 8 |
|---|---|---|
| Wireless Charging | 25W | 7.5W |
| Qi Version | Qi2 | Qi |
| MagSafe | Gen 2 | No |
| Built-in Magnets | Yes | No |
| Magnet Ring | closed circle | unknown |
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 8?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for iPhone 17
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Frequently Asked Questions
Is iPhone 17 bigger than iPhone 8?
Yes, the iPhone 17 is 11.2mm taller and 4.2mm wider. The iPhone 17 weighs 177g vs 148g.
Are iPhone 17 and iPhone 8 the same size?
No, the height differs by 11.2mm, width by 4.2mm, and thickness by 0.7mm.