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No, your Galaxy S20 case won't fit the Pixel 3a

The Galaxy S20 (151.7×69.1mm) and Pixel 3a (151.3×70.1mm) differ too much for cases to be compatible.

Does a Galaxy S20 Case Fit Pixel 3a?

Q: What's different between Galaxy S20 and Pixel 3a dimensions?

The Galaxy S20 is 151.7mm tall and 69.1mm 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 Galaxy S20 case will not fit the Pixel 3a. The phones have different dimensions that make cases incompatible.

0Won't Fit

Your Galaxy S20 case will NOT fit the Pixel 3a. Here's why:

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

Spec	Galaxy S20	Pixel 3a	Diff
Height	151.7mm	151.3mm	Galaxy S20 +0.4mm
Width	69.1mm	70.1mm	Pixel 3a +1.0mm
Thickness	7.9mm	8.2mm	Pixel 3a +0.3mm
Camera Layout	vertical-triple	single	Different
Port	usb-c	usb-c	Same

⭐Based on Amazon best-seller rankings and ratings

Your Galaxy S20 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

Galaxy S20Pixel 3a

Wireless Charging & MagSafe

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Only one phone supports wireless charging.

The Pixel 3a does not support wireless charging. Only the Galaxy S20 can use a wireless charger.

Galaxy S20

Qi only

10W 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? Galaxy S20 → Pixel 3a Compare sizes: Galaxy S20 vs Pixel 3a

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Frequently Asked Questions

Are Galaxy S20 and Pixel 3a the same size?

Galaxy S20 measures 151.7×69.1×7.9mm while Pixel 3a measures 151.3×70.1×8.2mm. They are different sizes.

Can I use a Galaxy S20 screen protector on Pixel 3a?

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

What's different between Galaxy S20 and Pixel 3a dimensions?

The height differs by 0.4mm, the width by 1.0mm, and thickness by 0.3mm. 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 Galaxy S20, so cases are not interchangeable.

Will Galaxy S20 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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