Pixel 9a vs Pixel 4a: Size & Dimensions Compared
The Pixel 9a is the larger phone, measuring 10.5mm taller and 3.9mm wider.
Visual Size Overlay
Pixel 9aPixel 4a
Height Δ
+10.5mm
Width Δ
+3.9mm
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 5.81") — protector won't fit.
| Dimension | Pixel 9a | Pixel 4a | Difference |
|---|---|---|---|
| Height | 154.7mm | 144.2mm | Pixel 4a -10.5mm (shorter) |
| Width | 73.3mm | 69.4mm | Pixel 4a -3.9mm (narrower) |
| Thickness | 8.9mm | 8.2mm | Pixel 4a -0.7mm (thinner) |
| Weight | 186g | 143g | Pixel 4a -43.0g (lighter) |
| Screen | 6.3" | 5.81" | Pixel 4a -0.5" (smaller) |
Visual Size Comparison
HeightPixel 9a +10.5mm
Pixel 9a
154.7mm
Pixel 4a
144.2mm
WidthPixel 9a +3.9mm
Pixel 9a
73.3mm
Pixel 4a
69.4mm
ThicknessPixel 9a +0.7mm
Pixel 9a
8.9mm
Pixel 4a
8.2mm
Button & Port Layout
Which is bigger?
The Pixel 9a is the taller phone at 154.7mm (vs 144.2mm). It is also 43g heavier.
Wireless Charging & MagSafe Compatibility
Only one phone supports wireless charging.
- ⚠The Pixel 4a does not support wireless charging. Only the Pixel 9a can use a wireless charger.
| Spec | Pixel 9a | Pixel 4a |
|---|---|---|
| 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 4a?
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 4a?
Yes, the Pixel 9a is 10.5mm taller and 3.9mm wider. The Pixel 9a weighs 186g vs 143g.
Are Pixel 9a and Pixel 4a the same size?
No, the height differs by 10.5mm, width by 3.9mm, and thickness by 0.7mm.