No, your iPhone X case won't fit the iPhone 12
The iPhone X (143.6×70.9mm) and iPhone 12 (146.7×71.5mm) differ too much for cases to be compatible.
Does a iPhone X Case Fit iPhone 12?
Last verified: March 2026
No, a iPhone X case will not fit the iPhone 12. The phones have different dimensions that make cases incompatible.
Your iPhone X case will NOT fit the iPhone 12. Here's why:
- •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
- •Camera bump size differs significantly
- •Different edge profiles (rounded vs flat) — case shell shape won't match
- •Corner shape differs — case won't seat properly
| Spec | iPhone X | iPhone 12 | Diff |
|---|---|---|---|
| Height | 143.6mm | 146.7mm | iPhone 12 +3.1mm |
| Width | 70.9mm | 71.5mm | iPhone 12 +0.6mm |
| Thickness | 7.7mm | 7.4mm | iPhone X +0.3mm |
| Camera Layout | vertical-dual | vertical-dual | Same |
| Port | lightning | lightning | Same |
Your iPhone X case won't fit the iPhone 12. Find the right case:
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Size Comparison
Wireless Charging & MagSafe
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.
iPhone X
Qi only
7.5W max
iPhone 12
MagSafe Gen 1
15W max
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.
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Frequently Asked Questions
Are iPhone X and iPhone 12 the same size?
iPhone X measures 143.6×70.9×7.7mm while iPhone 12 measures 146.7×71.5×7.4mm. They are different sizes.
Can I use a iPhone X screen protector on iPhone 12?
Screen sizes differ (5.8" vs 6.1") — protector won't fit.
What's different between iPhone X and iPhone 12 dimensions?
The height differs by 3.1mm, the width by 0.6mm, and thickness by 0.3mm.
Do I need a new case for iPhone 12?
Yes, you'll need a new case. The iPhone 12 has different dimensions than the iPhone X, so cases are not interchangeable.
Will iPhone X accessories work with iPhone 12?
Chargers and cables are compatible since both phones use the same lightning port. Both support wireless charging, so wireless chargers work with either phone. Cases and screen protectors depend on exact dimensions — check our compatibility results above.
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