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Pixel 4 vs Pixel 4a: Size & Dimensions Compared

The Pixel 4 is the larger phone, measuring 2.9mm taller and 0.6mm narrower.

Visual Size Overlay

Pixel 4Pixel 4a
147.1mm144.2mm+2.9mm68.8mm69.4mm-0.6mm10mm
Height Δ
+2.9mm
Width Δ
-0.6mm
Thickness Δ
Same
Case CompatibilityWon't Fit
  • Camera module layout is different — cutout won't align
Screen ProtectorMay Fit

Screen sizes are close (5.7" vs 5.81") but may not align perfectly.

DimensionPixel 4Pixel 4aDifference
Height147.1mm144.2mmPixel 4a -2.9mm (shorter)
Width68.8mm69.4mmPixel 4a +0.6mm (wider)
Thickness8.2mm8.2mmSame
Weight162g143gPixel 4a -19.0g (lighter)
Screen5.7"5.81"Pixel 4a +0.1" (larger)

Visual Size Comparison

HeightPixel 4 +2.9mm
Pixel 4
147.1mm
Pixel 4a
144.2mm
WidthPixel 4a +0.6mm
Pixel 4
68.8mm
Pixel 4a
69.4mm
ThicknessSame
Pixel 4
8.2mm
Pixel 4a
8.2mm

Button & Port Layout

Which is bigger?

The Pixel 4 is the taller phone at 147.1mm (vs 144.2mm). It is also 19g heavier.

Wireless Charging & MagSafe Compatibility

Only one phone supports wireless charging.

  • The Pixel 4a does not support wireless charging. Only the Pixel 4 can use a wireless charger.
SpecPixel 4Pixel 4a
Wireless Charging12WNo
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 Pixel 4 to Pixel 4a?

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

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Frequently Asked Questions

Is Pixel 4 bigger than Pixel 4a?

Yes, the Pixel 4 is 2.9mm taller and 0.6mm narrower. The Pixel 4 weighs 162g vs 143g.

Are Pixel 4 and Pixel 4a the same size?

No, the height differs by 2.9mm, width by 0.6mm, and thickness by 0.0mm.