Skip to content

Galaxy A51 vs Galaxy Z Flip 3: Size & Dimensions Compared

The Galaxy A51 is the larger phone, measuring 72.1mm taller and 1.4mm wider.

Visual Size Overlay

Galaxy A51Galaxy Z Flip 3
158.5mm86.4mm+72.1mm73.6mm72.2mm+1.4mm10mm
Height Δ
+72.1mm
Width Δ
+1.4mm
Thickness Δ
-9.2mm
Case CompatibilityWon't Fit
  • Camera module layout is different — cutout won't align
Screen ProtectorNot Compatible

Screen sizes differ (6.5" vs 6.7") — protector won't fit.

DimensionGalaxy A51Galaxy Z Flip 3Difference
Height158.5mm86.4mmGalaxy Z Flip 3 -72.1mm (shorter)
Width73.6mm72.2mmGalaxy Z Flip 3 -1.4mm (narrower)
Thickness7.9mm17.1mmGalaxy Z Flip 3 +9.2mm (thicker)
Weight172g183gGalaxy Z Flip 3 +11.0g (heavier)
Screen6.5"6.7"Galaxy Z Flip 3 +0.2" (larger)

Visual Size Comparison

HeightGalaxy A51 +72.1mm
Galaxy A51
158.5mm
Galaxy Z Flip 3
86.4mm
WidthGalaxy A51 +1.4mm
Galaxy A51
73.6mm
Galaxy Z Flip 3
72.2mm
ThicknessGalaxy Z Flip 3 +9.2mm
Galaxy A51
7.9mm
Galaxy Z Flip 3
17.1mm

Button & Port Layout

Which is bigger?

The Galaxy A51 is the taller phone at 158.5mm (vs 86.4mm). It but is 11g lighter.

Wireless Charging & MagSafe Compatibility

Only one phone supports wireless charging.

  • The Galaxy A51 does not support wireless charging. Only the Galaxy Z Flip 3 can use a wireless charger.
SpecGalaxy A51Galaxy Z Flip 3
Wireless ChargingNo15W
Qi VersionQi
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 A51 to Galaxy Z Flip 3?

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 A51 bigger than Galaxy Z Flip 3?

Yes, the Galaxy A51 is 72.1mm taller and 1.4mm wider. The Galaxy A51 weighs 172g vs 183g.

Are Galaxy A51 and Galaxy Z Flip 3 the same size?

No, the height differs by 72.1mm, width by 1.4mm, and thickness by 9.2mm.