Partial fit — your Galaxy S20 FE case may work on the OnePlus 9
The Galaxy S20 FE (159.8×74.5mm) and OnePlus 9 (160×74.2mm) are close in size but have some differences.
Does a Galaxy S20 FE Case Fit OnePlus 9?
Last verified: March 2026
A Galaxy S20 FE case may partially fit the OnePlus 9, but there are some differences that could cause issues.
Your Galaxy S20 FE case may partially fit the OnePlus 9. Here's why:
- •Thickness differs by 0.3mm — may affect fit
- •New phone has alert slider — old case has no cutout for it
| Spec | Galaxy S20 FE | OnePlus 9 | Diff |
|---|---|---|---|
| Height | 159.8mm | 160mm | OnePlus 9 +0.2mm |
| Width | 74.5mm | 74.2mm | Galaxy S20 FE +0.3mm |
| Thickness | 8.4mm | 8.7mm | OnePlus 9 +0.3mm |
| Camera Layout | vertical-triple | vertical-triple | Same |
| Port | usb-c | usb-c | Same |
Button & Port Alignment
- •New phone has alert slider — old case has no cutout for it
For a perfect fit, consider these cases designed specifically for the OnePlus 9:
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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.
Galaxy S20 FE
Qi only
10W max
OnePlus 9
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 Galaxy S20 FE and OnePlus 9 the same size?
Galaxy S20 FE measures 159.8×74.5×8.4mm while OnePlus 9 measures 160×74.2×8.7mm. They are different sizes.
Can I use a Galaxy S20 FE screen protector on OnePlus 9?
Same screen size (6.55") with minimal width difference — should fit.
What's different between Galaxy S20 FE and OnePlus 9 dimensions?
The height differs by 0.2mm, the width by 0.3mm, and thickness by 0.3mm.
Do I need a new case for OnePlus 9?
It depends. Your Galaxy S20 FE case may work, but for the best protection and fit we recommend getting a case designed for the OnePlus 9.
Will Galaxy S20 FE accessories work with OnePlus 9?
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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