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OnePlus 9 Pro vs Galaxy A56: Size & Dimensions Compared

The OnePlus 9 Pro is the larger phone, measuring 1.0mm taller and 3.9mm narrower.

Visual Size Overlay

OnePlus 9 ProGalaxy A56
163.2mm162.2mm+1.0mm73.6mm77.5mm-3.9mm10mm
Height Δ
+1.0mm
Width Δ
-3.9mm
Thickness Δ
+1.3mm
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.

DimensionOnePlus 9 ProGalaxy A56Difference
Height163.2mm162.2mmGalaxy A56 -1.0mm (shorter)
Width73.6mm77.5mmGalaxy A56 +3.9mm (wider)
Thickness8.7mm7.4mmGalaxy A56 -1.3mm (thinner)
Weight197g198gGalaxy A56 +1.0g (heavier)
Screen6.7"6.7"Same

Visual Size Comparison

HeightOnePlus 9 Pro +1.0mm
OnePlus 9 Pro
163.2mm
Galaxy A56
162.2mm
WidthGalaxy A56 +3.9mm
OnePlus 9 Pro
73.6mm
Galaxy A56
77.5mm
ThicknessOnePlus 9 Pro +1.3mm
OnePlus 9 Pro
8.7mm
Galaxy A56
7.4mm

Button & Port Layout

Which is bigger?

The OnePlus 9 Pro is the taller phone at 163.2mm (vs 162.2mm). It but is 1g lighter.

Wireless Charging & MagSafe Compatibility

Only one phone supports wireless charging.

  • The Galaxy A56 does not support wireless charging. Only the OnePlus 9 Pro can use a wireless charger.
SpecOnePlus 9 ProGalaxy A56
Wireless Charging10WNo
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 OnePlus 9 Pro to Galaxy A56?

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

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Frequently Asked Questions

Is OnePlus 9 Pro bigger than Galaxy A56?

Yes, the OnePlus 9 Pro is 1.0mm taller and 3.9mm narrower. The OnePlus 9 Pro weighs 197g vs 198g.

Are OnePlus 9 Pro and Galaxy A56 the same size?

No, the height differs by 1.0mm, width by 3.9mm, and thickness by 1.3mm.