No, your iPhone XS case won't fit the iPhone 12 Pro Max
The iPhone XS (143.6×70.9mm) and iPhone 12 Pro Max (160.8×78.1mm) differ too much for cases to be compatible.
Does a iPhone XS Case Fit iPhone 12 Pro Max?
Last verified: March 2026
No, a iPhone XS case will not fit the iPhone 12 Pro Max. The phones have different dimensions that make cases incompatible.
Your iPhone XS case will NOT fit the iPhone 12 Pro Max. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | iPhone XS | iPhone 12 Pro Max | Diff |
|---|---|---|---|
| Height | 143.6mm | 160.8mm | iPhone 12 Pro Max +17.2mm |
| Width | 70.9mm | 78.1mm | iPhone 12 Pro Max +7.2mm |
| Thickness | 7.7mm | 7.4mm | iPhone XS +0.3mm |
| Camera Layout | vertical-dual | square-triple | Different |
| Port | lightning | lightning | Same |
Your iPhone XS case won't fit the iPhone 12 Pro Max. Find the right case:
As an Amazon Associate, WillItSnap earns from qualifying purchases. This doesn't affect our compatibility data.
Get alerts when we add more phones
Size Comparison
Wireless Charging & MagSafe
Wireless chargers work with both phones, but magnetic snap varies.
- Your MagSafe charger will charge the iPhone XS via Qi, but it won't magnetically snap on.
- Only the iPhone 12 Pro Max has built-in magnets for MagSafe accessories. The iPhone XS needs a magnetic case or ring adapter.
iPhone XS
Qi only
7.5W max
iPhone 12 Pro Max
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.
Related Guides
Related Compatibility Checks
Frequently Asked Questions
Are iPhone XS and iPhone 12 Pro Max the same size?
iPhone XS measures 143.6×70.9×7.7mm while iPhone 12 Pro Max measures 160.8×78.1×7.4mm. They are different sizes.
Can I use a iPhone XS screen protector on iPhone 12 Pro Max?
Screen sizes differ (5.8" vs 6.7") — protector won't fit.
What's different between iPhone XS and iPhone 12 Pro Max dimensions?
The height differs by 17.2mm, the width by 7.2mm, and thickness by 0.3mm. The camera module layout is also different.
Do I need a new case for iPhone 12 Pro Max?
Yes, you'll need a new case. The iPhone 12 Pro Max has different dimensions than the iPhone XS, so cases are not interchangeable.
Will iPhone XS accessories work with iPhone 12 Pro Max?
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.
Want to check another phone?
← Back to the compatibility checker