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

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

Does a Pixel 3a Case Fit Galaxy S20?

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

The Pixel 3a is 151.3mm tall and 70.1mm wide, while the Galaxy S20 is 151.7mm tall and 69.1mm wide. Camera module layout is different — cutout won't align

Last verified: March 2026

No, a Pixel 3a case will not fit the Galaxy S20. The phones have different dimensions that make cases incompatible.

0Won't Fit

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

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

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

⭐Based on Amazon best-seller rankings and ratings

Your Pixel 3a case won't fit the Galaxy S20. Find the right case:

🛡️Best Galaxy S20 Cases→🔒Rugged Cases for Galaxy S20→✨Clear Cases for Galaxy S20→👛Wallet Cases for Galaxy S20→

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Size Comparison

Pixel 3aGalaxy S20

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.

Pixel 3a

No wireless

Galaxy S20

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 Galaxy S20 →

🎁 Buying a case as a gift? Use our Gift Finder →⚡ Need a charger for your Galaxy S20? Check charger compatibility →

Does the screen protector fit? Pixel 3a → Galaxy S20 Compare sizes: Pixel 3a vs Galaxy S20

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Frequently Asked Questions

Are Pixel 3a and Galaxy S20 the same size?

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

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

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

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

Yes, you'll need a new case. The Galaxy S20 has different dimensions than the Pixel 3a, so cases are not interchangeable.

Will Pixel 3a accessories work with Galaxy S20?

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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