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Galaxy S25 FE vs Galaxy S21+: Size & Dimensions Compared

The Galaxy S21+ is the larger phone, measuring 0.2mm shorter and 1.0mm wider.

Visual Size Overlay

Galaxy S25 FEGalaxy S21+
161.3mm161.5mm-0.2mm76.6mm75.6mm+1.0mm10mm
Height Δ
-0.2mm
Width Δ
+1.0mm
Thickness Δ
-0.4mm
Case CompatibilityWon't Fit
  • Width differs by 1.0mm — case won't fit
  • Thickness differs by 0.4mm — may affect fit
  • Camera bump size differs significantly
Screen ProtectorMay Fit

Same screen size (6.7") but body width differs by 1.0mm — verify bezel alignment before buying.

DimensionGalaxy S25 FEGalaxy S21+Difference
Height161.3mm161.5mmGalaxy S21+ +0.2mm (taller)
Width76.6mm75.6mmGalaxy S21+ -1.0mm (narrower)
Thickness7.4mm7.8mmGalaxy S21+ +0.4mm (thicker)
Weight190g200gGalaxy S21+ +10.0g (heavier)
Screen6.7"6.7"Same

Visual Size Comparison

HeightGalaxy S21+ +0.2mm
Galaxy S25 FE
161.3mm
Galaxy S21+
161.5mm
WidthGalaxy S25 FE +1.0mm
Galaxy S25 FE
76.6mm
Galaxy S21+
75.6mm
ThicknessGalaxy S21+ +0.4mm
Galaxy S25 FE
7.4mm
Galaxy S21+
7.8mm

Button & Port Layout

Which is bigger?

The Galaxy S21+ is the taller phone at 161.5mm (vs 161.3mm). It is also 10g 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 S25 FEGalaxy S21+
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 S25 FE to Galaxy S21+?

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 S25 FE bigger than Galaxy S21+?

No, the Galaxy S21+ is 0.2mm taller. The Galaxy S25 FE weighs 190g vs 200g.

Are Galaxy S25 FE and Galaxy S21+ the same size?

No, the height differs by 0.2mm, width by 1.0mm, and thickness by 0.4mm.