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Galaxy S21 vs Galaxy S21 FE: Size & Dimensions Compared

The Galaxy S21 FE is the larger phone, measuring 4.0mm shorter and 3.3mm narrower.

Visual Size Overlay

Galaxy S21Galaxy S21 FE
151.7mm155.7mm-4.0mm71.2mm74.5mm-3.3mm10mm
Height Δ
-4.0mm
Width Δ
-3.3mm
Thickness Δ
Same
Case CompatibilityWon't Fit
  • Height differs by 4.0mm — case won't fit
  • Width differs by 3.3mm — case won't fit
Screen ProtectorNot Compatible

Screen sizes differ (6.2" vs 6.4") — protector won't fit.

DimensionGalaxy S21Galaxy S21 FEDifference
Height151.7mm155.7mmGalaxy S21 FE +4.0mm (taller)
Width71.2mm74.5mmGalaxy S21 FE +3.3mm (wider)
Thickness7.9mm7.9mmSame
Weight169g177gGalaxy S21 FE +8.0g (heavier)
Screen6.2"6.4"Galaxy S21 FE +0.2" (larger)

Visual Size Comparison

HeightGalaxy S21 FE +4.0mm
Galaxy S21
151.7mm
Galaxy S21 FE
155.7mm
WidthGalaxy S21 FE +3.3mm
Galaxy S21
71.2mm
Galaxy S21 FE
74.5mm
ThicknessSame
Galaxy S21
7.9mm
Galaxy S21 FE
7.9mm

Button & Port Layout

Which is bigger?

The Galaxy S21 FE is the taller phone at 155.7mm (vs 151.7mm). It is also 8g heavier.

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 S21Galaxy S21 FE
Wireless Charging15W15W
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.

Upgrading from Galaxy S21 to Galaxy S21 FE?

Different sizes mean your old case probably won't fit. You'll need a new one.

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Frequently Asked Questions

Is Galaxy S21 bigger than Galaxy S21 FE?

No, the Galaxy S21 FE is 4.0mm taller. The Galaxy S21 weighs 169g vs 177g.

Are Galaxy S21 and Galaxy S21 FE the same size?

No, the height differs by 4.0mm, width by 3.3mm, and thickness by 0.0mm.