Pixel 9a vs OnePlus 12: Size & Dimensions Compared
The OnePlus 12 is the larger phone, measuring 9.6mm shorter and 2.5mm narrower.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Edge types differ (flat vs curved) — screen protector won't adhere properly.
| Dimension | Pixel 9a | OnePlus 12 | Difference |
|---|---|---|---|
| Height | 154.7mm | 164.3mm | OnePlus 12 +9.6mm (taller) |
| Width | 73.3mm | 75.8mm | OnePlus 12 +2.5mm (wider) |
| Thickness | 8.9mm | 9.2mm | OnePlus 12 +0.3mm (thicker) |
| Weight | 186g | 220g | OnePlus 12 +34.0g (heavier) |
| Screen | 6.3" | 6.82" | OnePlus 12 +0.5" (larger) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The OnePlus 12 is the taller phone at 164.3mm (vs 154.7mm). It is also 34g heavier.
Wireless Charging & MagSafe Compatibility
Wireless chargers work with both phones, but magnetic snap varies.
- ✓Both devices support wireless charging. Standard Qi/Qi2 chargers work with either phone.
| Spec | Pixel 9a | OnePlus 12 |
|---|---|---|
| Wireless Charging | 15W | 15W |
| Qi Version | Qi | 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 OnePlus 12?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for Pixel 9a
Accessories for OnePlus 12
Spigen
Spigen Tough Armor for OnePlus 12
$17.99
Ringke
Ringke Fusion-X MagSafe for OnePlus 12
$14.99
Ringke
Ringke Fusion-X for OnePlus 12
$12.99
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Frequently Asked Questions
Is Pixel 9a bigger than OnePlus 12?
No, the OnePlus 12 is 9.6mm taller. The Pixel 9a weighs 186g vs 220g.
Are Pixel 9a and OnePlus 12 the same size?
No, the height differs by 9.6mm, width by 2.5mm, and thickness by 0.3mm.