No, your iPhone 17 Pro Max case won't fit the iPhone 15 Pro Max
The iPhone 17 Pro Max (163.4×78mm) and iPhone 15 Pro Max (159.9×76.7mm) differ too much for cases to be compatible.
Does a iPhone 17 Pro Max Case Fit iPhone 15 Pro Max?
Last verified: March 2026
No, a iPhone 17 Pro Max case will not fit the iPhone 15 Pro Max. The phones have different dimensions that make cases incompatible.
Your iPhone 17 Pro Max case will NOT fit the iPhone 15 Pro Max. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | iPhone 17 Pro Max | iPhone 15 Pro Max | Diff |
|---|---|---|---|
| Height | 163.4mm | 159.9mm | iPhone 17 Pro Max +3.5mm |
| Width | 78mm | 76.7mm | iPhone 17 Pro Max +1.3mm |
| Thickness | 8.75mm | 8.25mm | iPhone 17 Pro Max +0.5mm |
| Camera Layout | horizontal-bar | square-triple | Different |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •Old phone has Camera Control button — new phone case has no cutout for it
Since your iPhone 17 Pro Max case won't work with the iPhone 15 Pro Max, here are the highest-rated cases that will:
Caseology
Caseology Parallax for iPhone 15 Pro Max
$16.99
Spigen
Spigen Ultra Hybrid MagFit for iPhone 15 Pro Max
$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.
- Max wireless speed differs: iPhone 17 Pro Max charges at 25W, iPhone 15 Pro Max at 15W.
- Both devices have built-in magnets — MagSafe wallets, car mounts, and battery packs will snap onto either phone.
iPhone 17 Pro Max
MagSafe Gen 2
25W max
iPhone 15 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. Clear MagSafe cases have an additional incompatibility: the iPhone 17 Pro Max has a bottom-notched magnet ring visible through clear cases, while the iPhone 15 Pro Max has a standard closed circle.
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Frequently Asked Questions
Are iPhone 17 Pro Max and iPhone 15 Pro Max the same size?
iPhone 17 Pro Max measures 163.4×78×8.75mm while iPhone 15 Pro Max measures 159.9×76.7×8.25mm. They are different sizes.
Can I use a iPhone 17 Pro Max screen protector on iPhone 15 Pro Max?
Screen sizes differ (6.9" vs 6.7") — protector won't fit.
What's different between iPhone 17 Pro Max and iPhone 15 Pro Max dimensions?
The height differs by 3.5mm, the width by 1.3mm, and thickness by 0.5mm. The camera module layout is also different.
Do I need a new case for iPhone 15 Pro Max?
Yes, you'll need a new case. The iPhone 15 Pro Max has different dimensions than the iPhone 17 Pro Max, so cases are not interchangeable.
Will iPhone 17 Pro Max accessories work with iPhone 15 Pro Max?
Chargers and cables are compatible since both phones use the same usb-c 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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