No, your Pixel 3a case won't fit the Pixel 4a
The Pixel 3a (151.3×70.1mm) and Pixel 4a (144.2×69.4mm) differ too much for cases to be compatible.
Does a Pixel 3a Case Fit Pixel 4a?
Last verified: March 2026
No, a Pixel 3a case will not fit the Pixel 4a. The phones have different dimensions that make cases incompatible.
Your Pixel 3a case will NOT fit the Pixel 4a. Here's why:
- •Height differs by 7.1mm — case won't fit
- •Width differs by 0.7mm — case won't fit
| Spec | Pixel 3a | Pixel 4a | Diff |
|---|---|---|---|
| Height | 151.3mm | 144.2mm | Pixel 3a +7.1mm |
| Width | 70.1mm | 69.4mm | Pixel 3a +0.7mm |
| Thickness | 8.2mm | 8.2mm | Same |
| Camera Layout | single | single | Same |
| Port | usb-c | usb-c | Same |
Your Pixel 3a case won't fit the Pixel 4a. Find the right case:
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Frequently Asked Questions
Are Pixel 3a and Pixel 4a the same size?
Pixel 3a measures 151.3×70.1×8.2mm while Pixel 4a measures 144.2×69.4×8.2mm. They are different sizes.
Can I use a Pixel 3a screen protector on Pixel 4a?
Screen sizes differ (5.6" vs 5.81") — protector won't fit.
What's different between Pixel 3a and Pixel 4a dimensions?
The height differs by 7.1mm, the width by 0.7mm, and thickness by 0.0mm.
Do I need a new case for Pixel 4a?
Yes, you'll need a new case. The Pixel 4a has different dimensions than the Pixel 3a, so cases are not interchangeable.
Will Pixel 3a accessories work with Pixel 4a?
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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