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Galaxy S10 vs Galaxy S21 FE: Size & Dimensions Compared

The Galaxy S21 FE is the larger phone, measuring 5.8mm shorter and 4.1mm narrower.

Visual Size Overlay

Galaxy S10Galaxy S21 FE
149.9mm155.7mm-5.8mm70.4mm74.5mm-4.1mm10mm
Height Δ
-5.8mm
Width Δ
-4.1mm
Thickness Δ
-0.1mm
Case CompatibilityWon't Fit
  • Camera module layout is different — cutout won't align
Screen ProtectorNot Compatible

Edge types differ (curved vs flat) — screen protector won't adhere properly.

DimensionGalaxy S10Galaxy S21 FEDifference
Height149.9mm155.7mmGalaxy S21 FE +5.8mm (taller)
Width70.4mm74.5mmGalaxy S21 FE +4.1mm (wider)
Thickness7.8mm7.9mmGalaxy S21 FE +0.1mm (thicker)
Weight157g177gGalaxy S21 FE +20.0g (heavier)
Screen6.1"6.4"Galaxy S21 FE +0.3" (larger)

Visual Size Comparison

HeightGalaxy S21 FE +5.8mm
Galaxy S10
149.9mm
Galaxy S21 FE
155.7mm
WidthGalaxy S21 FE +4.1mm
Galaxy S10
70.4mm
Galaxy S21 FE
74.5mm
ThicknessGalaxy S21 FE +0.1mm
Galaxy S10
7.8mm
Galaxy S21 FE
7.9mm

Button & Port Layout

Which is bigger?

The Galaxy S21 FE is the taller phone at 155.7mm (vs 149.9mm). It is also 20g 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 S10Galaxy S21 FE
Wireless Charging10W15W
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 S10 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 S10 bigger than Galaxy S21 FE?

No, the Galaxy S21 FE is 5.8mm taller. The Galaxy S10 weighs 157g vs 177g.

Are Galaxy S10 and Galaxy S21 FE the same size?

No, the height differs by 5.8mm, width by 4.1mm, and thickness by 0.1mm.