No, your OnePlus 9 Pro case won't fit the Pixel 9a
The OnePlus 9 Pro (163.2×73.6mm) and Pixel 9a (154.7×73.3mm) differ too much for cases to be compatible.
Does a OnePlus 9 Pro Case Fit Pixel 9a?
Last verified: March 2026
No, a OnePlus 9 Pro case will not fit the Pixel 9a. The phones have different dimensions that make cases incompatible.
Your OnePlus 9 Pro case will NOT fit the Pixel 9a. Here's why:
- •Camera module layout is different — cutout won't align
| Spec | OnePlus 9 Pro | Pixel 9a | Diff |
|---|---|---|---|
| Height | 163.2mm | 154.7mm | OnePlus 9 Pro +8.5mm |
| Width | 73.6mm | 73.3mm | OnePlus 9 Pro +0.3mm |
| Thickness | 8.7mm | 8.9mm | Pixel 9a +0.2mm |
| Camera Layout | vertical-quad | island-dual | Different |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •Old phone has alert slider — new phone does not
Your OnePlus 9 Pro case won't fit the Pixel 9a. Find the right case:
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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.
OnePlus 9 Pro
Qi only
10W max
Pixel 9a
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 OnePlus 9 Pro and Pixel 9a the same size?
OnePlus 9 Pro measures 163.2×73.6×8.7mm while Pixel 9a measures 154.7×73.3×8.9mm. They are different sizes.
Can I use a OnePlus 9 Pro screen protector on Pixel 9a?
Edge types differ (curved vs flat) — screen protector won't adhere properly.
What's different between OnePlus 9 Pro and Pixel 9a 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 Pixel 9a?
Yes, you'll need a new case. The Pixel 9a has different dimensions than the OnePlus 9 Pro, so cases are not interchangeable.
Will OnePlus 9 Pro accessories work with Pixel 9a?
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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