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No, your Pixel 4 case won't fit the Pixel 3a

The Pixel 4 (147.1×68.8mm) and Pixel 3a (151.3×70.1mm) differ too much for cases to be compatible.

Does a Pixel 4 Case Fit Pixel 3a?

Q: What's different between Pixel 4 and Pixel 3a dimensions?

The Pixel 4 is 147.1mm tall and 68.8mm wide, while the Pixel 3a is 151.3mm tall and 70.1mm wide. Camera module layout is different — cutout won't align

Last verified: March 2026

No, a Pixel 4 case will not fit the Pixel 3a. The phones have different dimensions that make cases incompatible.

0Won't Fit

Your Pixel 4 case will NOT fit the Pixel 3a. Here's why:

•Camera module layout is different — cutout won't align

Spec	Pixel 4	Pixel 3a	Diff
Height	147.1mm	151.3mm	Pixel 3a +4.2mm
Width	68.8mm	70.1mm	Pixel 3a +1.3mm
Thickness	8.2mm	8.2mm	Same
Camera Layout	square-dual	single	Different
Port	usb-c	usb-c	Same

⭐Based on Amazon best-seller rankings and ratings

Your Pixel 4 case won't fit the Pixel 3a. Find the right case:

🛡️Best Pixel 3a Cases→🔒Rugged Cases for Pixel 3a→✨Clear Cases for Pixel 3a→👛Wallet Cases for Pixel 3a→

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Size Comparison

Pixel 4Pixel 3a

Wireless Charging & MagSafe

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Only one phone supports wireless charging.

The Pixel 3a does not support wireless charging. Only the Pixel 4 can use a wireless charger.

Pixel 4

Qi only

12W max

Pixel 3a

No wireless

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 Pixel 3a →

🎁 Buying a case as a gift? Use our Gift Finder →⚡ Need a charger for your Pixel 3a? Check charger compatibility →

Does the screen protector fit? Pixel 4 → Pixel 3a Compare sizes: Pixel 4 vs Pixel 3a

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Frequently Asked Questions

Are Pixel 4 and Pixel 3a the same size?

Pixel 4 measures 147.1×68.8×8.2mm while Pixel 3a measures 151.3×70.1×8.2mm. They are different sizes.

Can I use a Pixel 4 screen protector on Pixel 3a?

Screen sizes are close (5.7" vs 5.6") but may not align perfectly.

What's different between Pixel 4 and Pixel 3a dimensions?

The height differs by 4.2mm, the width by 1.3mm, and thickness by 0.0mm. The camera module layout is also different.

Do I need a new case for Pixel 3a?

Yes, you'll need a new case. The Pixel 3a has different dimensions than the Pixel 4, so cases are not interchangeable.

Will Pixel 4 accessories work with Pixel 3a?

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.

Want to check another phone?

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