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No, your Pixel 9a case won't fit the OnePlus 9 Pro

The Pixel 9a (154.7×73.3mm) and OnePlus 9 Pro (163.2×73.6mm) differ too much for cases to be compatible.

Does a Pixel 9a Case Fit OnePlus 9 Pro?

Last verified: March 2026

No, a Pixel 9a case will not fit the OnePlus 9 Pro. The phones have different dimensions that make cases incompatible.

0Won't Fit

Your Pixel 9a case will NOT fit the OnePlus 9 Pro. Here's why:

  • •Camera module layout is different — cutout won't align
SpecPixel 9aOnePlus 9 ProDiff
Height154.7mm163.2mmOnePlus 9 Pro +8.5mm
Width73.3mm73.6mmOnePlus 9 Pro +0.3mm
Thickness8.9mm8.7mmPixel 9a +0.2mm
Camera Layoutisland-dualvertical-quadDifferent
Portusb-cusb-cSame

Button & Port Alignment

  • •New phone has alert slider — old case has no cutout for it
⭐Based on Amazon best-seller rankings and ratings

Your Pixel 9a case won't fit the OnePlus 9 Pro. Find the right case:

🛡️Best OnePlus 9 Pro Cases→🔒Rugged Cases for OnePlus 9 Pro→✨Clear Cases for OnePlus 9 Pro→👛Wallet Cases for OnePlus 9 Pro→
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Size Comparison

10mm
Pixel 9aOnePlus 9 Pro

Wireless Charging & MagSafe

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Wireless chargers work with both phones, but magnetic snap varies.

  • Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.

Pixel 9a

Qi only

15W max

OnePlus 9 Pro

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.

See all cases for OnePlus 9 Pro →
🎁 Buying a case as a gift? Use our Gift Finder →⚡ Need a charger for your OnePlus 9 Pro? Check charger compatibility →
Does the screen protector fit? Pixel 9a → OnePlus 9 ProCompare sizes: Pixel 9a vs OnePlus 9 Pro

Related Guides

Pixel Case Compatibility Chart|Pixel 9 Case Guide|How to Check if a Case Fits|All Guides

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Frequently Asked Questions

Are Pixel 9a and OnePlus 9 Pro the same size?

Pixel 9a measures 154.7×73.3×8.9mm while OnePlus 9 Pro measures 163.2×73.6×8.7mm. They are different sizes.

Can I use a Pixel 9a screen protector on OnePlus 9 Pro?

Edge types differ (flat vs curved) — screen protector won't adhere properly.

What's different between Pixel 9a and OnePlus 9 Pro dimensions?

The height differs by 8.5mm, the width by 0.3mm, and thickness by 0.2mm. The camera module layout is also different.

Do I need a new case for OnePlus 9 Pro?

Yes, you'll need a new case. The OnePlus 9 Pro has different dimensions than the Pixel 9a, so cases are not interchangeable.

Will Pixel 9a accessories work with OnePlus 9 Pro?

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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