No, your Pixel 9 Pro XL case won't fit the Galaxy S23 Ultra
The Pixel 9 Pro XL (162.8×76.6mm) and Galaxy S23 Ultra (163.4×78.1mm) differ too much for cases to be compatible.
Does a Pixel 9 Pro XL Case Fit Galaxy S23 Ultra?
Last verified: March 2026
No, a Pixel 9 Pro XL case will not fit the Galaxy S23 Ultra. The phones have different dimensions that make cases incompatible.
Your Pixel 9 Pro XL case will NOT fit the Galaxy S23 Ultra. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | Pixel 9 Pro XL | Galaxy S23 Ultra | Diff |
|---|---|---|---|
| Height | 162.8mm | 163.4mm | Galaxy S23 Ultra +0.6mm |
| Width | 76.6mm | 78.1mm | Galaxy S23 Ultra +1.5mm |
| Thickness | 8.5mm | 8.9mm | Galaxy S23 Ultra +0.4mm |
| Camera Layout | island-triple | vertical-quad | Different |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •New phone has S Pen slot — old case has no opening for it
Since your Pixel 9 Pro XL case won't work with the Galaxy S23 Ultra, here are the highest-rated cases that will:
OtterBox
OtterBox Defender Series for Galaxy S23 Ultra
$64.95
TORRAS
TORRAS MarsClimber for Galaxy S23 Ultra
$19.99
Caseology
Caseology Nano Pop for Galaxy S23 Ultra
$15.99
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Size Comparison
Wireless Charging & MagSafe
Wireless chargers work with both phones, but magnetic snap varies.
- Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.
- Only the Pixel 9 Pro XL has built-in magnets for MagSafe accessories. The Galaxy S23 Ultra needs a magnetic case or ring adapter.
Pixel 9 Pro XL
Qi2 (built-in magnets)
23W max
Galaxy S23 Ultra
Qi only
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 Pixel 9 Pro XL and Galaxy S23 Ultra the same size?
Pixel 9 Pro XL measures 162.8×76.6×8.5mm while Galaxy S23 Ultra measures 163.4×78.1×8.9mm. They are different sizes.
Can I use a Pixel 9 Pro XL screen protector on Galaxy S23 Ultra?
Edge types differ (flat vs curved) — screen protector won't adhere properly.
What's different between Pixel 9 Pro XL and Galaxy S23 Ultra dimensions?
The height differs by 0.6mm, the width by 1.5mm, and thickness by 0.4mm. The camera module layout is also different.
Do I need a new case for Galaxy S23 Ultra?
Yes, you'll need a new case. The Galaxy S23 Ultra has different dimensions than the Pixel 9 Pro XL, so cases are not interchangeable.
Will Pixel 9 Pro XL accessories work with Galaxy S23 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.
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