No, your iPhone 12 Pro Max case won't fit the iPhone 15 Pro
The iPhone 12 Pro Max (160.8×78.1mm) and iPhone 15 Pro (146.6×70.6mm) differ too much for cases to be compatible.
Does a iPhone 12 Pro Max Case Fit iPhone 15 Pro?
Last verified: March 2026
No, a iPhone 12 Pro Max case will not fit the iPhone 15 Pro. The phones have different dimensions that make cases incompatible.
Your iPhone 12 Pro Max case will NOT fit the iPhone 15 Pro. Here's why:
- •Height differs by 14.2mm — case won't fit
- •Width differs by 7.5mm — case won't fit
- •0.8mm thicker — case won't close properly
- •Camera bump size differs significantly
- •Camera bump protrusion slightly different
- •Mute toggle switch vs Action Button — case cutout shape is incompatible
- •Different charging port (lightning → usb-c) — bottom cutout won't match
| Spec | iPhone 12 Pro Max | iPhone 15 Pro | Diff |
|---|---|---|---|
| Height | 160.8mm | 146.6mm | iPhone 12 Pro Max +14.2mm |
| Width | 78.1mm | 70.6mm | iPhone 12 Pro Max +7.5mm |
| Thickness | 7.4mm | 8.25mm | iPhone 15 Pro +0.8mm |
| Camera Layout | square-triple | square-triple | Same |
| Port | lightning | usb-c | Different |
Button & Port Alignment
- •Mute toggle switch vs Action Button — case cutout shape is incompatible
Since your iPhone 12 Pro Max case won't work with the iPhone 15 Pro, here are the highest-rated cases that will:
Spigen
Spigen Tough Armor MagFit for iPhone 15 Pro
$19.99
TORRAS
TORRAS Slim Fit for iPhone 15 Pro
$17.99
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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 12 Pro Max
MagSafe Gen 1
15W max
iPhone 15 Pro
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 12 Pro Max and iPhone 15 Pro the same size?
iPhone 12 Pro Max measures 160.8×78.1×7.4mm while iPhone 15 Pro measures 146.6×70.6×8.25mm. They are different sizes.
Can I use a iPhone 12 Pro Max screen protector on iPhone 15 Pro?
Screen sizes differ (6.7" vs 6.1") — protector won't fit.
What's different between iPhone 12 Pro Max and iPhone 15 Pro dimensions?
The height differs by 14.2mm, the width by 7.5mm, and thickness by 0.8mm. They use different charging ports.
Do I need a new case for iPhone 15 Pro?
Yes, you'll need a new case. The iPhone 15 Pro has different dimensions than the iPhone 12 Pro Max, so cases are not interchangeable.
Will iPhone 12 Pro Max accessories work with iPhone 15 Pro?
Chargers and cables are compatible since both phones use different ports (lightning vs usb-c). 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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