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Pixel 4 vs Pixel 9a: Size & Dimensions Compared

The Pixel 9a is the larger phone, measuring 7.6mm shorter and 4.5mm narrower.

Visual Size Overlay

Pixel 4Pixel 9a
147.1mm154.7mm-7.6mm68.8mm73.3mm-4.5mm10mm
Height Δ
-7.6mm
Width Δ
-4.5mm
Thickness Δ
-0.7mm
Case CompatibilityWon't Fit
  • Camera module layout is different — cutout won't align
Screen ProtectorNot Compatible

Screen sizes differ (5.7" vs 6.3") — protector won't fit.

DimensionPixel 4Pixel 9aDifference
Height147.1mm154.7mmPixel 9a +7.6mm (taller)
Width68.8mm73.3mmPixel 9a +4.5mm (wider)
Thickness8.2mm8.9mmPixel 9a +0.7mm (thicker)
Weight162g186gPixel 9a +24.0g (heavier)
Screen5.7"6.3"Pixel 9a +0.6" (larger)

Visual Size Comparison

HeightPixel 9a +7.6mm
Pixel 4
147.1mm
Pixel 9a
154.7mm
WidthPixel 9a +4.5mm
Pixel 4
68.8mm
Pixel 9a
73.3mm
ThicknessPixel 9a +0.7mm
Pixel 4
8.2mm
Pixel 9a
8.9mm

Button & Port Layout

Which is bigger?

The Pixel 9a is the taller phone at 154.7mm (vs 147.1mm). It is also 24g heavier.

Wireless Charging & MagSafe Compatibility

Wireless chargers work with both phones, but magnetic snap varies.

  • Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.
SpecPixel 4Pixel 9a
Wireless Charging12W15W
Qi VersionQiQi
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 9a?

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 9a?

No, the Pixel 9a is 7.6mm taller. The Pixel 4 weighs 162g vs 186g.

Are Pixel 4 and Pixel 9a the same size?

No, the height differs by 7.6mm, width by 4.5mm, and thickness by 0.7mm.