Skip to content

Galaxy S25 vs Pixel 3a: Size & Dimensions Compared

The Pixel 3a is the larger phone, measuring 4.4mm shorter and 0.4mm wider.

Visual Size Overlay

Galaxy S25Pixel 3a
146.9mm151.3mm-4.4mm70.5mm70.1mm+0.4mm10mm
Height Δ
-4.4mm
Width Δ
+0.4mm
Thickness Δ
-1.0mm
Case CompatibilityWon't Fit
  • Camera module layout is different — cutout won't align
Screen ProtectorNot Compatible

Screen sizes differ (6.2" vs 5.6") — protector won't fit.

DimensionGalaxy S25Pixel 3aDifference
Height146.9mm151.3mmPixel 3a +4.4mm (taller)
Width70.5mm70.1mmPixel 3a -0.4mm (narrower)
Thickness7.2mm8.2mmPixel 3a +1.0mm (thicker)
Weight162g147gPixel 3a -15.0g (lighter)
Screen6.2"5.6"Pixel 3a -0.6" (smaller)

Visual Size Comparison

HeightPixel 3a +4.4mm
Galaxy S25
146.9mm
Pixel 3a
151.3mm
WidthGalaxy S25 +0.4mm
Galaxy S25
70.5mm
Pixel 3a
70.1mm
ThicknessPixel 3a +1.0mm
Galaxy S25
7.2mm
Pixel 3a
8.2mm

Button & Port Layout

Which is bigger?

The Pixel 3a is the taller phone at 151.3mm (vs 146.9mm). It but is 15g heavier.

Wireless Charging & MagSafe Compatibility

Only one phone supports wireless charging.

  • The Pixel 3a does not support wireless charging. Only the Galaxy S25 can use a wireless charger.
SpecGalaxy S25Pixel 3a
Wireless Charging15WNo
Qi VersionQi2
MagSafeNoNo
Built-in MagnetsNoNo
Magnet Ringnone built innone

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 S25 to Pixel 3a?

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

Accessories for Galaxy S25

Spigen

Spigen Liquid Air for Galaxy S25

$14.99

View on Amazon

Samsung

Samsung Galaxy S25 Silicone Case

$29.99

View on Amazon

Accessories for Pixel 3a

As an Amazon Associate, WillItSnap earns from qualifying purchases.

Frequently Asked Questions

Is Galaxy S25 bigger than Pixel 3a?

No, the Pixel 3a is 4.4mm taller. The Galaxy S25 weighs 162g vs 147g.

Are Galaxy S25 and Pixel 3a the same size?

No, the height differs by 4.4mm, width by 0.4mm, and thickness by 1.0mm.