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No, your OnePlus 9 case won't fit the Galaxy A33

The OnePlus 9 (160×74.2mm) and Galaxy A33 (159.7×74mm) differ too much for cases to be compatible.

Does a OnePlus 9 Case Fit Galaxy A33?

Q: What's different between OnePlus 9 and Galaxy A33 dimensions?

The OnePlus 9 is 160mm tall and 74.2mm wide, while the Galaxy A33 is 159.7mm tall and 74mm wide. Body dimensions are nearly identical, but the camera cutout is incompatible (vertical-triple vs vertical-quad)

Last verified: March 2026

No, a OnePlus 9 case will not fit the Galaxy A33. The phones have different dimensions that make cases incompatible.

5Won't Fit

Your OnePlus 9 case will NOT fit the Galaxy A33. Here's why:

•Body dimensions are nearly identical, but the camera cutout is incompatible (vertical-triple vs vertical-quad)

Spec	OnePlus 9	Galaxy A33	Diff
Height	160mm	159.7mm	OnePlus 9 +0.3mm
Width	74.2mm	74mm	OnePlus 9 +0.2mm
Thickness	8.7mm	8.1mm	OnePlus 9 +0.6mm
Camera Layout	vertical-triple	vertical-quad	Different
Port	usb-c	usb-c	Same

Button & Port Alignment

•Old phone has alert slider — new phone does not

⭐Based on Amazon best-seller rankings and ratings

Your OnePlus 9 case won't fit the Galaxy A33. Find the right case:

🛡️Best Galaxy A33 Cases→🔒Rugged Cases for Galaxy A33→✨Clear Cases for Galaxy A33→👛Wallet Cases for Galaxy A33→

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Size Comparison

OnePlus 9Galaxy A33

Wireless Charging & MagSafe

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Only one phone supports wireless charging.

The Galaxy A33 does not support wireless charging. Only the OnePlus 9 can use a wireless charger.

OnePlus 9

Qi only

10W max

Galaxy A33

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 Galaxy A33 →

🎁 Buying a case as a gift? Use our Gift Finder →⚡ Need a charger for your Galaxy A33? Check charger compatibility →

Does the screen protector fit? OnePlus 9 → Galaxy A33 Compare sizes: OnePlus 9 vs Galaxy A33

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Frequently Asked Questions

Are OnePlus 9 and Galaxy A33 the same size?

OnePlus 9 measures 160×74.2×8.7mm while Galaxy A33 measures 159.7×74×8.1mm. They are different sizes.

Can I use a OnePlus 9 screen protector on Galaxy A33?

Screen sizes are close (6.55" vs 6.4") but may not align perfectly.

What's different between OnePlus 9 and Galaxy A33 dimensions?

The height differs by 0.3mm, the width by 0.2mm, and thickness by 0.6mm. The camera module layout is also different.

Do I need a new case for Galaxy A33?

Yes, you'll need a new case. The Galaxy A33 has different dimensions than the OnePlus 9, so cases are not interchangeable.

Will OnePlus 9 accessories work with Galaxy A33?

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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