Pixel 9a vs Pixel 3a: Size & Dimensions Compared
The Pixel 9a is the larger phone, measuring 3.4mm taller and 3.2mm wider.
Visual Size Overlay
Pixel 9aPixel 3a
Height Δ
+3.4mm
Width Δ
+3.2mm
Thickness Δ
+0.7mm
Case CompatibilityWon't Fit
- •Camera module layout is different — cutout won't align
Screen ProtectorNot Compatible
Screen sizes differ (6.3" vs 5.6") — protector won't fit.
| Dimension | Pixel 9a | Pixel 3a | Difference |
|---|---|---|---|
| Height | 154.7mm | 151.3mm | Pixel 3a -3.4mm (shorter) |
| Width | 73.3mm | 70.1mm | Pixel 3a -3.2mm (narrower) |
| Thickness | 8.9mm | 8.2mm | Pixel 3a -0.7mm (thinner) |
| Weight | 186g | 147g | Pixel 3a -39.0g (lighter) |
| Screen | 6.3" | 5.6" | Pixel 3a -0.7" (smaller) |
Visual Size Comparison
HeightPixel 9a +3.4mm
Pixel 9a
154.7mm
Pixel 3a
151.3mm
WidthPixel 9a +3.2mm
Pixel 9a
73.3mm
Pixel 3a
70.1mm
ThicknessPixel 9a +0.7mm
Pixel 9a
8.9mm
Pixel 3a
8.2mm
Button & Port Layout
Which is bigger?
The Pixel 9a is the taller phone at 154.7mm (vs 151.3mm). It is also 39g heavier.
Wireless Charging & MagSafe Compatibility
Only one phone supports wireless charging.
- ⚠The Pixel 3a does not support wireless charging. Only the Pixel 9a can use a wireless charger.
| Spec | Pixel 9a | Pixel 3a |
|---|---|---|
| Wireless Charging | 15W | No |
| Qi Version | Qi | — |
| MagSafe | No | No |
| Built-in Magnets | No | No |
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 9a to Pixel 3a?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Pixel 9a
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Frequently Asked Questions
Is Pixel 9a bigger than Pixel 3a?
Yes, the Pixel 9a is 3.4mm taller and 3.2mm wider. The Pixel 9a weighs 186g vs 147g.
Are Pixel 9a and Pixel 3a the same size?
No, the height differs by 3.4mm, width by 3.2mm, and thickness by 0.7mm.