iPhone 8 vs iPhone 12: Size & Dimensions Compared
The iPhone 12 is the larger phone, measuring 8.3mm shorter and 4.2mm narrower.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Screen sizes differ (4.7" vs 6.1") — protector won't fit.
| Dimension | iPhone 8 | iPhone 12 | Difference |
|---|---|---|---|
| Height | 138.4mm | 146.7mm | iPhone 12 +8.3mm (taller) |
| Width | 67.3mm | 71.5mm | iPhone 12 +4.2mm (wider) |
| Thickness | 7.3mm | 7.4mm | iPhone 12 +0.1mm (thicker) |
| Weight | 148g | 164g | iPhone 12 +16.0g (heavier) |
| Screen | 4.7" | 6.1" | iPhone 12 +1.4" (larger) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The iPhone 12 is the taller phone at 146.7mm (vs 138.4mm). It is also 16g 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 12 has built-in magnets for MagSafe accessories. The iPhone 8 needs a magnetic case or ring adapter.
| Spec | iPhone 8 | iPhone 12 |
|---|---|---|
| Wireless Charging | 7.5W | 15W |
| Qi Version | Qi | Qi |
| MagSafe | No | Gen 1 |
| 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 12?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for iPhone 8
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Frequently Asked Questions
Is iPhone 8 bigger than iPhone 12?
No, the iPhone 12 is 8.3mm taller. The iPhone 8 weighs 148g vs 164g.
Are iPhone 8 and iPhone 12 the same size?
No, the height differs by 8.3mm, width by 4.2mm, and thickness by 0.1mm.