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No, your OnePlus 13 case won't fit the Galaxy Note 20 Ultra

The OnePlus 13 (162.9×76.5mm) and Galaxy Note 20 Ultra (164.8×77.2mm) differ too much for cases to be compatible.

Does a OnePlus 13 Case Fit Galaxy Note 20 Ultra?

Last verified: March 2026

No, a OnePlus 13 case will not fit the Galaxy Note 20 Ultra. The phones have different dimensions that make cases incompatible.

0Won't Fit

Your OnePlus 13 case will NOT fit the Galaxy Note 20 Ultra. Here's why:

  • •Camera module layout is different — cutout won't align
SpecOnePlus 13Galaxy Note 20 UltraDiff
Height162.9mm164.8mmGalaxy Note 20 Ultra +1.9mm
Width76.5mm77.2mmGalaxy Note 20 Ultra +0.7mm
Thickness8.5mm8.1mmOnePlus 13 +0.4mm
Camera Layoutcircular-triplerectangular-moduleDifferent
Portusb-cusb-cSame

Button & Port Alignment

  • •New phone has S Pen slot — old case has no opening for it
  • •Old phone has alert slider — new phone does not
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Your OnePlus 13 case won't fit the Galaxy Note 20 Ultra. Find the right case:

🛡️Best Galaxy Note 20 Ultra Cases→🔒Rugged Cases for Galaxy Note 20 Ultra→✨Clear Cases for Galaxy Note 20 Ultra→👛Wallet Cases for Galaxy Note 20 Ultra→
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Size Comparison

10mm
OnePlus 13Galaxy Note 20 Ultra

Wireless Charging & MagSafe

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Wireless chargers work with both phones, but magnetic snap varies.

  • Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.

OnePlus 13

Qi only

15W max

Galaxy Note 20 Ultra

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 Note 20 Ultra →
🎁 Buying a case as a gift? Use our Gift Finder →⚡ Need a charger for your Galaxy Note 20 Ultra? Check charger compatibility →
Does the screen protector fit? OnePlus 13 → Galaxy Note 20 UltraCompare sizes: OnePlus 13 vs Galaxy Note 20 Ultra

Related Guides

|How to Check if a Case Fits|All Guides

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Frequently Asked Questions

Are OnePlus 13 and Galaxy Note 20 Ultra the same size?

OnePlus 13 measures 162.9×76.5×8.5mm while Galaxy Note 20 Ultra measures 164.8×77.2×8.1mm. They are different sizes.

Can I use a OnePlus 13 screen protector on Galaxy Note 20 Ultra?

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

What's different between OnePlus 13 and Galaxy Note 20 Ultra dimensions?

The height differs by 1.9mm, the width by 0.7mm, and thickness by 0.4mm. The camera module layout is also different.

Do I need a new case for Galaxy Note 20 Ultra?

Yes, you'll need a new case. The Galaxy Note 20 Ultra has different dimensions than the OnePlus 13, so cases are not interchangeable.

Will OnePlus 13 accessories work with Galaxy Note 20 Ultra?

Chargers and cables are compatible since both phones use the same usb-c port. Both support wireless charging, so wireless chargers work with either phone. Cases and screen protectors depend on exact dimensions — check our compatibility results above.

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