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Galaxy A51 vs Motorola ThinkPhone: Size & Dimensions Compared

The Motorola ThinkPhone is the larger phone, measuring 0.3mm shorter and 0.8mm narrower.

Visual Size Overlay

Galaxy A51Motorola ThinkPhone
158.5mm158.76mm-0.3mm73.6mm74.38mm-0.8mm10mm
Height Δ
-0.3mm
Width Δ
-0.8mm
Thickness Δ
-0.4mm
Case CompatibilityWon't Fit
  • Camera module layout is different — cutout won't align
Screen ProtectorMay Fit

Same screen size (6.6") but body width differs by 0.8mm — verify bezel alignment before buying.

DimensionGalaxy A51Motorola ThinkPhoneDifference
Height158.5mm158.76mmMotorola ThinkPhone +0.3mm (taller)
Width73.6mm74.38mmMotorola ThinkPhone +0.8mm (wider)
Thickness7.9mm8.26mmMotorola ThinkPhone +0.4mm (thicker)
Weight172g189gMotorola ThinkPhone +17.0g (heavier)
Screen6.5"6.6"Motorola ThinkPhone +0.1" (larger)

Visual Size Comparison

HeightMotorola ThinkPhone +0.3mm
Galaxy A51
158.5mm
Motorola ThinkPhone
158.76mm
WidthMotorola ThinkPhone +0.8mm
Galaxy A51
73.6mm
Motorola ThinkPhone
74.38mm
ThicknessMotorola ThinkPhone +0.4mm
Galaxy A51
7.9mm
Motorola ThinkPhone
8.26mm

Button & Port Layout

Which is bigger?

The Motorola ThinkPhone is the taller phone at 158.76mm (vs 158.5mm). It is also 17g heavier.

Wireless Charging & MagSafe Compatibility

Only one phone supports wireless charging.

  • The Galaxy A51 does not support wireless charging. Only the Motorola ThinkPhone can use a wireless charger.
SpecGalaxy A51Motorola ThinkPhone
Wireless ChargingNo10W
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 Motorola ThinkPhone?

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 A51 bigger than Motorola ThinkPhone?

No, the Motorola ThinkPhone is 0.3mm taller. The Galaxy A51 weighs 172g vs 189g.

Are Galaxy A51 and Motorola ThinkPhone the same size?

No, the height differs by 0.3mm, width by 0.8mm, and thickness by 0.4mm.