Partial fit — your OnePlus 9 case may work on the Galaxy S20 FE
The OnePlus 9 (160×74.2mm) and Galaxy S20 FE (159.8×74.5mm) are close in size but have some differences.
Does a OnePlus 9 Case Fit Galaxy S20 FE?
Last verified: March 2026
A OnePlus 9 case may partially fit the Galaxy S20 FE, but there are some differences that could cause issues.
Your OnePlus 9 case may partially fit the Galaxy S20 FE. Here's why:
- •Thickness differs by 0.3mm — may affect fit
- •Old phone has alert slider — new phone does not
| Spec | OnePlus 9 | Galaxy S20 FE | Diff |
|---|---|---|---|
| Height | 160mm | 159.8mm | OnePlus 9 +0.2mm |
| Width | 74.2mm | 74.5mm | Galaxy S20 FE +0.3mm |
| Thickness | 8.7mm | 8.4mm | OnePlus 9 +0.3mm |
| Camera Layout | vertical-triple | vertical-triple | Same |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •Old phone has alert slider — new phone does not
For a perfect fit, consider these cases designed specifically for the Galaxy S20 FE:
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Size Comparison
Wireless Charging & MagSafe
Wireless chargers work with both phones, but magnetic snap varies.
- Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.
OnePlus 9
Qi only
10W max
Galaxy S20 FE
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.
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Frequently Asked Questions
Are OnePlus 9 and Galaxy S20 FE the same size?
OnePlus 9 measures 160×74.2×8.7mm while Galaxy S20 FE measures 159.8×74.5×8.4mm. They are different sizes.
Can I use a OnePlus 9 screen protector on Galaxy S20 FE?
Same screen size (6.5") with minimal width difference — should fit.
What's different between OnePlus 9 and Galaxy S20 FE dimensions?
The height differs by 0.2mm, the width by 0.3mm, and thickness by 0.3mm.
Do I need a new case for Galaxy S20 FE?
It depends. Your OnePlus 9 case may work, but for the best protection and fit we recommend getting a case designed for the Galaxy S20 FE.
Will OnePlus 9 accessories work with Galaxy S20 FE?
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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