No, your iPhone 17 Pro Max case won't fit the Galaxy Note 20 Ultra
The iPhone 17 Pro Max (163.4×78mm) and Galaxy Note 20 Ultra (164.8×77.2mm) differ too much for cases to be compatible.
Does a iPhone 17 Pro Max Case Fit Galaxy Note 20 Ultra?
Last verified: March 2026
No, a iPhone 17 Pro Max case will not fit the Galaxy Note 20 Ultra. The phones have different dimensions that make cases incompatible.
Your iPhone 17 Pro Max case will NOT fit the Galaxy Note 20 Ultra. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | iPhone 17 Pro Max | Galaxy Note 20 Ultra | Diff |
|---|---|---|---|
| Height | 163.4mm | 164.8mm | Galaxy Note 20 Ultra +1.4mm |
| Width | 78mm | 77.2mm | iPhone 17 Pro Max +0.8mm |
| Thickness | 8.75mm | 8.1mm | iPhone 17 Pro Max +0.7mm |
| Camera Layout | horizontal-bar | rectangular-module | Different |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •Old phone has Camera Control button — new phone case has no cutout for it
- •New phone has S Pen slot — old case has no opening for it
Your iPhone 17 Pro Max case won't fit the Galaxy Note 20 Ultra. 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.
iPhone 17 Pro Max
MagSafe Gen 2
25W max
Galaxy Note 20 Ultra
Qi only
10W 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 17 Pro Max and Galaxy Note 20 Ultra the same size?
iPhone 17 Pro Max measures 163.4×78×8.75mm while Galaxy Note 20 Ultra measures 164.8×77.2×8.1mm. They are different sizes.
Can I use a iPhone 17 Pro Max screen protector on Galaxy Note 20 Ultra?
Edge types differ (flat vs curved) — screen protector won't adhere properly.
What's different between iPhone 17 Pro Max and Galaxy Note 20 Ultra 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 Galaxy Note 20 Ultra?
Yes, you'll need a new case. The Galaxy Note 20 Ultra has different dimensions than the iPhone 17 Pro Max, so cases are not interchangeable.
Will iPhone 17 Pro Max accessories work with Galaxy Note 20 Ultra?
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