No, your Galaxy Note 20 Ultra case won't fit the iPhone 17 Pro Max
The Galaxy Note 20 Ultra (164.8×77.2mm) and iPhone 17 Pro Max (163.4×78mm) differ too much for cases to be compatible.
Does a Galaxy Note 20 Ultra Case Fit iPhone 17 Pro Max?
Last verified: March 2026
No, a Galaxy Note 20 Ultra case will not fit the iPhone 17 Pro Max. The phones have different dimensions that make cases incompatible.
Your Galaxy Note 20 Ultra case will NOT fit the iPhone 17 Pro Max. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | Galaxy Note 20 Ultra | iPhone 17 Pro Max | Diff |
|---|---|---|---|
| Height | 164.8mm | 163.4mm | Galaxy Note 20 Ultra +1.4mm |
| Width | 77.2mm | 78mm | iPhone 17 Pro Max +0.8mm |
| Thickness | 8.1mm | 8.75mm | iPhone 17 Pro Max +0.7mm |
| Camera Layout | rectangular-module | 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 Note 20 Ultra case won't fit the iPhone 17 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 Galaxy Note 20 Ultra via Qi, but it won't magnetically snap on.
- Only the iPhone 17 Pro Max has built-in magnets for MagSafe accessories. The Galaxy Note 20 Ultra needs a magnetic case or ring adapter.
Galaxy Note 20 Ultra
Qi only
10W 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.
Related Guides
Related Compatibility Checks
Frequently Asked Questions
Are Galaxy Note 20 Ultra and iPhone 17 Pro Max the same size?
Galaxy Note 20 Ultra measures 164.8×77.2×8.1mm while iPhone 17 Pro Max measures 163.4×78×8.75mm. They are different sizes.
Can I use a Galaxy Note 20 Ultra screen protector on iPhone 17 Pro Max?
Edge types differ (curved vs flat) — screen protector won't adhere properly.
What's different between Galaxy Note 20 Ultra and iPhone 17 Pro Max dimensions?
The height differs by 1.4mm, the width by 0.8mm, and thickness by 0.7mm. 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 Note 20 Ultra, so cases are not interchangeable.
Will Galaxy Note 20 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.
Want to check another phone?
← Back to the compatibility checker