No, your Galaxy S25 Ultra case won't fit the iPhone 17 Pro Max
The Galaxy S25 Ultra (162.8×77.6mm) and iPhone 17 Pro Max (163.4×78mm) differ too much for cases to be compatible.
Does a Galaxy S25 Ultra Case Fit iPhone 17 Pro Max?
Last verified: March 2026
No, a Galaxy S25 Ultra case will not fit the iPhone 17 Pro Max. The phones have different dimensions that make cases incompatible.
Your Galaxy S25 Ultra case will NOT fit the iPhone 17 Pro Max. Here's why:
- •Body dimensions are nearly identical, but the camera cutout is incompatible (vertical-quad vs horizontal-bar)
| Spec | Galaxy S25 Ultra | iPhone 17 Pro Max | Diff |
|---|---|---|---|
| Height | 162.8mm | 163.4mm | iPhone 17 Pro Max +0.6mm |
| Width | 77.6mm | 78mm | iPhone 17 Pro Max +0.4mm |
| Thickness | 8.2mm | 8.75mm | iPhone 17 Pro Max +0.6mm |
| Camera Layout | vertical-quad | horizontal-bar | Different |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •New phone has Camera Control button — old case has no cutout for it
- •Old phone has S Pen slot — new phone does not
Your Galaxy S25 Ultra case won't fit the iPhone 17 Pro Max. 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 Galaxy S25 Ultra via Qi2, but it won't magnetically snap on without a magnetic case.
- The Galaxy S25 Ultra supports Qi2 but has no built-in magnets — magnetic accessories won't snap on without a magnetic case. The iPhone 17 Pro Max has built-in magnets.
Galaxy S25 Ultra
Qi2 only
15W max
iPhone 17 Pro Max
MagSafe Gen 2
25W 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 Galaxy S25 Ultra and iPhone 17 Pro Max the same size?
Galaxy S25 Ultra measures 162.8×77.6×8.2mm while iPhone 17 Pro Max measures 163.4×78×8.75mm. They are different sizes.
Can I use a Galaxy S25 Ultra screen protector on iPhone 17 Pro Max?
Same screen size (6.9") but body width differs by 0.4mm — verify bezel alignment before buying.
What's different between Galaxy S25 Ultra and iPhone 17 Pro Max dimensions?
The height differs by 0.6mm, the width by 0.4mm, and thickness by 0.6mm. The camera module layout is also different.
Do I need a new case for iPhone 17 Pro Max?
Yes, you'll need a new case. The iPhone 17 Pro Max has different dimensions than the Galaxy S25 Ultra, so cases are not interchangeable.
Will Galaxy S25 Ultra accessories work with iPhone 17 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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