iPhone 8 vs iPhone 17: Size & Dimensions Compared
The iPhone 17 is the larger phone, measuring 11.2mm shorter and 4.2mm narrower.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Edge types differ (rounded vs curved) — screen protector won't adhere properly.
| Dimension | iPhone 8 | iPhone 17 | Difference |
|---|---|---|---|
| Height | 138.4mm | 149.6mm | iPhone 17 +11.2mm (taller) |
| Width | 67.3mm | 71.5mm | iPhone 17 +4.2mm (wider) |
| Thickness | 7.3mm | 7.95mm | iPhone 17 +0.7mm (thicker) |
| Weight | 148g | 177g | iPhone 17 +29.0g (heavier) |
| Screen | 4.7" | 6.3" | iPhone 17 +1.6" (larger) |
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 8 | iPhone 17 |
|---|---|---|
| Wireless Charging | 7.5W | 25W |
| Qi Version | Qi | Qi2 |
| MagSafe | No | Gen 2 |
| Built-in Magnets | No | Yes |
| Magnet Ring | unknown | 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 8 to iPhone 17?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for iPhone 8
As an Amazon Associate, WillItSnap earns from qualifying purchases.
Frequently Asked Questions
Is iPhone 8 bigger than iPhone 17?
No, the iPhone 17 is 11.2mm taller. The iPhone 8 weighs 148g vs 177g.
Are iPhone 8 and iPhone 17 the same size?
No, the height differs by 11.2mm, width by 4.2mm, and thickness by 0.7mm.