Partial fit — your iPhone 13 Pro Max case may work on the iPhone 12 Pro Max
The iPhone 13 Pro Max (160.8×78.1mm) and iPhone 12 Pro Max (160.8×78.1mm) are close in size but have some differences.
Does a iPhone 13 Pro Max Case Fit iPhone 12 Pro Max?
Last verified: March 2026
A iPhone 13 Pro Max case may partially fit the iPhone 12 Pro Max, but there are some differences that could cause issues.
Your iPhone 13 Pro Max case may partially fit the iPhone 12 Pro Max. Here's why:
- •Thickness differs by 0.3mm — may affect fit
- •Camera bump protrusion slightly different
| Spec | iPhone 13 Pro Max | iPhone 12 Pro Max | Diff |
|---|---|---|---|
| Height | 160.8mm | 160.8mm | Same |
| Width | 78.1mm | 78.1mm | Same |
| Thickness | 7.65mm | 7.4mm | iPhone 13 Pro Max +0.3mm |
| Camera Layout | square-triple | square-triple | Same |
| Port | lightning | lightning | Same |
For a perfect fit, consider these cases designed specifically for the iPhone 12 Pro Max:
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 and magnetic accessories work with both phones.
- Your MagSafe charger will work with both devices.
- Both devices have built-in magnets — MagSafe wallets, car mounts, and battery packs will snap onto either phone.
iPhone 13 Pro Max
MagSafe Gen 1
15W 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 13 Pro Max and iPhone 12 Pro Max the same size?
iPhone 13 Pro Max measures 160.8×78.1×7.65mm while iPhone 12 Pro Max measures 160.8×78.1×7.4mm. They are different sizes.
Can I use a iPhone 13 Pro Max screen protector on iPhone 12 Pro Max?
Same screen size (6.7") with minimal width difference — should fit.
What's different between iPhone 13 Pro Max and iPhone 12 Pro Max dimensions?
The height differs by 0.0mm, the width by 0.0mm, and thickness by 0.3mm.
Do I need a new case for iPhone 12 Pro Max?
It depends. Your iPhone 13 Pro Max case may work, but for the best protection and fit we recommend getting a case designed for the iPhone 12 Pro Max.
Will iPhone 13 Pro Max 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