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Galaxy S20 FE vs OnePlus 9: Size & Dimensions Compared

The Galaxy S20 FE and OnePlus 9 are nearly the same size, differing by just 0.2mm in height and 0.3mm in width.

Visual Size Overlay

Galaxy S20 FEOnePlus 9
159.8mm160mm-0.2mm74.5mm74.2mm+0.3mm10mm
Height Δ
-0.2mm
Width Δ
+0.3mm
Thickness Δ
-0.3mm
Case CompatibilityPartial Fit
  • Thickness differs by 0.3mm — may affect fit
  • New phone has alert slider — old case has no cutout for it
Screen ProtectorCompatible

Same screen size (6.55") with minimal width difference — should fit.

DimensionGalaxy S20 FEOnePlus 9Difference
Height159.8mm160mmOnePlus 9 +0.2mm (taller)
Width74.5mm74.2mmOnePlus 9 -0.3mm (narrower)
Thickness8.4mm8.7mmOnePlus 9 +0.3mm (thicker)
Weight190g192gOnePlus 9 +2.0g (heavier)
Screen6.5"6.55"Same

Visual Size Comparison

HeightOnePlus 9 +0.2mm
Galaxy S20 FE
159.8mm
OnePlus 9
160mm
WidthGalaxy S20 FE +0.3mm
Galaxy S20 FE
74.5mm
OnePlus 9
74.2mm
ThicknessOnePlus 9 +0.3mm
Galaxy S20 FE
8.4mm
OnePlus 9
8.7mm

Button & Port Layout

Which is bigger?

The Galaxy S20 FE and OnePlus 9 are essentially the same size.

Wireless Charging & MagSafe Compatibility

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

  • Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.
SpecGalaxy S20 FEOnePlus 9
Wireless Charging10W10W
Qi VersionQiQi
MagSafeNoNo
Built-in MagnetsNoNo

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

Is Galaxy S20 FE bigger than OnePlus 9?

No, the OnePlus 9 is 0.2mm taller. The Galaxy S20 FE weighs 190g vs 192g.

Are Galaxy S20 FE and OnePlus 9 the same size?

Very close — they differ by only 0.2mm in height and 0.3mm in width.