Skip to content

Galaxy Z Fold 3 vs Galaxy Z Fold 4: Size & Dimensions Compared

The Galaxy Z Fold 3 is the larger phone, measuring 3.1mm taller and 0.0mm narrower.

Visual Size Overlay

Galaxy Z Fold 3Galaxy Z Fold 4
158.2mm155.1mm+3.1mm67.1mm67.1mm10mm
Height Δ
+3.1mm
Width Δ
Same
Thickness Δ
+0.2mm
Case CompatibilityWon't Fit
  • Height differs by 3.1mm — case won't fit
Screen ProtectorCompatible

Same screen size (7.6") with minimal width difference — should fit.

DimensionGalaxy Z Fold 3Galaxy Z Fold 4Difference
Height158.2mm155.1mmGalaxy Z Fold 4 -3.1mm (shorter)
Width67.1mm67.1mmSame
Thickness16mm15.8mmGalaxy Z Fold 4 -0.2mm (thinner)
Weight271g263gGalaxy Z Fold 4 -8.0g (lighter)
Screen7.6"7.6"Same

Visual Size Comparison

HeightGalaxy Z Fold 3 +3.1mm
Galaxy Z Fold 3
158.2mm
Galaxy Z Fold 4
155.1mm
WidthSame
Galaxy Z Fold 3
67.1mm
Galaxy Z Fold 4
67.1mm
ThicknessGalaxy Z Fold 3 +0.2mm
Galaxy Z Fold 3
16mm
Galaxy Z Fold 4
15.8mm

Button & Port Layout

Which is bigger?

The Galaxy Z Fold 3 is the taller phone at 158.2mm (vs 155.1mm). 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 Z Fold 3Galaxy Z Fold 4
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 Z Fold 3 to Galaxy Z Fold 4?

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

As an Amazon Associate, WillItSnap earns from qualifying purchases.

Frequently Asked Questions

Is Galaxy Z Fold 3 bigger than Galaxy Z Fold 4?

Yes, the Galaxy Z Fold 3 is 3.1mm taller and 0.0mm narrower. The Galaxy Z Fold 3 weighs 271g vs 263g.

Are Galaxy Z Fold 3 and Galaxy Z Fold 4 the same size?

No, the height differs by 3.1mm, width by 0.0mm, and thickness by 0.2mm.