Pixel 4 vs Pixel 3a: Size & Dimensions Compared
The Pixel 3a is the larger phone, measuring 4.2mm shorter and 1.3mm narrower.
Visual Size Overlay
Pixel 4Pixel 3a
Height Δ
-4.2mm
Width Δ
-1.3mm
Thickness Δ
Same
Case CompatibilityWon't Fit
- •Camera module layout is different — cutout won't align
Screen ProtectorMay Fit
Screen sizes are close (5.7" vs 5.6") but may not align perfectly.
| Dimension | Pixel 4 | Pixel 3a | Difference |
|---|---|---|---|
| Height | 147.1mm | 151.3mm | Pixel 3a +4.2mm (taller) |
| Width | 68.8mm | 70.1mm | Pixel 3a +1.3mm (wider) |
| Thickness | 8.2mm | 8.2mm | Same |
| Weight | 162g | 147g | Pixel 3a -15.0g (lighter) |
| Screen | 5.7" | 5.6" | Pixel 3a -0.1" (smaller) |
Visual Size Comparison
HeightPixel 3a +4.2mm
Pixel 4
147.1mm
Pixel 3a
151.3mm
WidthPixel 3a +1.3mm
Pixel 4
68.8mm
Pixel 3a
70.1mm
ThicknessSame
Pixel 4
8.2mm
Pixel 3a
8.2mm
Button & Port Layout
Which is bigger?
The Pixel 3a is the taller phone at 151.3mm (vs 147.1mm). It but is 15g heavier.
Wireless Charging & MagSafe Compatibility
Only one phone supports wireless charging.
- ⚠The Pixel 3a does not support wireless charging. Only the Pixel 4 can use a wireless charger.
| Spec | Pixel 4 | Pixel 3a |
|---|---|---|
| Wireless Charging | 12W | 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 4 to Pixel 3a?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Pixel 4
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Frequently Asked Questions
Is Pixel 4 bigger than Pixel 3a?
No, the Pixel 3a is 4.2mm taller. The Pixel 4 weighs 162g vs 147g.
Are Pixel 4 and Pixel 3a the same size?
No, the height differs by 4.2mm, width by 1.3mm, and thickness by 0.0mm.