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