No, your OnePlus Open case won't fit the Pixel 9 Pro
The OnePlus Open (153.4×73.3mm) and Pixel 9 Pro (152.8×72mm) differ too much for cases to be compatible.
Does a OnePlus Open Case Fit Pixel 9 Pro?
Last verified: March 2026
No, a OnePlus Open case will not fit the Pixel 9 Pro. The phones have different dimensions that make cases incompatible.
Your OnePlus Open case will NOT fit the Pixel 9 Pro. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | OnePlus Open | Pixel 9 Pro | Diff |
|---|---|---|---|
| Height | 153.4mm | 152.8mm | OnePlus Open +0.6mm |
| Width | 73.3mm | 72mm | OnePlus Open +1.3mm |
| Thickness | 11.7mm | 8.5mm | OnePlus Open +3.2mm |
| Camera Layout | circular-triple | island-triple | Different |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •Old phone has alert slider — new phone does not
Since your OnePlus Open case won't work with the Pixel 9 Pro, here are the highest-rated cases that will:
Spigen
Spigen Tough Armor for Pixel 9 Pro
$17.99
OtterBox
OtterBox Symmetry Clear for Pixel 9 Pro
$49.95
TORRAS
TORRAS Magnetic Shockproof for Pixel 9 Pro
$19.99
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Size Comparison
Wireless Charging & MagSafe
Only one phone supports wireless charging.
- The OnePlus Open does not support wireless charging. Only the Pixel 9 Pro can use a wireless charger.
- Only the Pixel 9 Pro has built-in magnets for MagSafe accessories. The OnePlus Open needs a magnetic case or ring adapter.
OnePlus Open
No wireless
Pixel 9 Pro
Qi2 (built-in magnets)
21W 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 OnePlus Open and Pixel 9 Pro the same size?
OnePlus Open measures 153.4×73.3×11.7mm while Pixel 9 Pro measures 152.8×72×8.5mm. They are different sizes.
Can I use a OnePlus Open screen protector on Pixel 9 Pro?
Same screen size (6.3") but body width differs by 1.3mm — verify bezel alignment before buying.
What's different between OnePlus Open and Pixel 9 Pro dimensions?
The height differs by 0.6mm, the width by 1.3mm, and thickness by 3.2mm. The camera module layout is also different.
Do I need a new case for Pixel 9 Pro?
Yes, you'll need a new case. The Pixel 9 Pro has different dimensions than the OnePlus Open, so cases are not interchangeable.
Will OnePlus Open accessories work with Pixel 9 Pro?
Chargers and cables are compatible since both phones use the same usb-c port. Cases and screen protectors depend on exact dimensions — check our compatibility results above.
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