Pixel 3a vs Pixel 4a: Size & Dimensions Compared
The Pixel 3a is the larger phone, measuring 7.1mm taller and 0.7mm wider.
Visual Size Overlay
Pixel 3aPixel 4a
Height Δ
+7.1mm
Width Δ
+0.7mm
Thickness Δ
Same
Case CompatibilityWon't Fit
- •Height differs by 7.1mm — case won't fit
- •Width differs by 0.7mm — case won't fit
Screen ProtectorNot Compatible
Screen sizes differ (5.6" vs 5.81") — protector won't fit.
| Dimension | Pixel 3a | Pixel 4a | Difference |
|---|---|---|---|
| Height | 151.3mm | 144.2mm | Pixel 4a -7.1mm (shorter) |
| Width | 70.1mm | 69.4mm | Pixel 4a -0.7mm (narrower) |
| Thickness | 8.2mm | 8.2mm | Same |
| Weight | 147g | 143g | Pixel 4a -4.0g (lighter) |
| Screen | 5.6" | 5.81" | Pixel 4a +0.2" (larger) |
Visual Size Comparison
HeightPixel 3a +7.1mm
Pixel 3a
151.3mm
Pixel 4a
144.2mm
WidthPixel 3a +0.7mm
Pixel 3a
70.1mm
Pixel 4a
69.4mm
ThicknessSame
Pixel 3a
8.2mm
Pixel 4a
8.2mm
Button & Port Layout
Which is bigger?
The Pixel 3a is the taller phone at 151.3mm (vs 144.2mm). It is also 4g heavier.
Upgrading from Pixel 3a to Pixel 4a?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Pixel 3a
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Frequently Asked Questions
Is Pixel 3a bigger than Pixel 4a?
Yes, the Pixel 3a is 7.1mm taller and 0.7mm wider. The Pixel 3a weighs 147g vs 143g.
Are Pixel 3a and Pixel 4a the same size?
No, the height differs by 7.1mm, width by 0.7mm, and thickness by 0.0mm.