iPhone X vs iPhone 12: Size & Dimensions Compared
The iPhone 12 is the larger phone, measuring 3.1mm shorter and 0.6mm narrower.
Visual Size Overlay
- •Height differs by 3.1mm — case won't fit
- •Width differs by 0.6mm — case won't fit
- •Thickness differs by 0.3mm — may affect fit
Screen sizes differ (5.8" vs 6.1") — protector won't fit.
| Dimension | iPhone X | iPhone 12 | Difference |
|---|---|---|---|
| Height | 143.6mm | 146.7mm | iPhone 12 +3.1mm (taller) |
| Width | 70.9mm | 71.5mm | iPhone 12 +0.6mm (wider) |
| Thickness | 7.7mm | 7.4mm | iPhone 12 -0.3mm (thinner) |
| Weight | 174g | 164g | iPhone 12 -10.0g (lighter) |
| Screen | 5.8" | 6.1" | iPhone 12 +0.3" (larger) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The iPhone 12 is the taller phone at 146.7mm (vs 143.6mm). It but is 10g heavier.
Wireless Charging & MagSafe Compatibility
Wireless chargers work with both phones, but magnetic snap varies.
- ⚠Your MagSafe charger will charge the iPhone X via Qi, but it won't magnetically snap on.
- ✓Only the iPhone 12 has built-in magnets for MagSafe accessories. The iPhone X needs a magnetic case or ring adapter.
| Spec | iPhone X | 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 X to iPhone 12?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for iPhone X
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Frequently Asked Questions
Is iPhone X bigger than iPhone 12?
No, the iPhone 12 is 3.1mm taller. The iPhone X weighs 174g vs 164g.
Are iPhone X and iPhone 12 the same size?
No, the height differs by 3.1mm, width by 0.6mm, and thickness by 0.3mm.