OnePlus 9 Pro vs Pixel 9a: Size & Dimensions Compared
The OnePlus 9 Pro is the larger phone, measuring 8.5mm taller and 0.3mm wider.
Visual Size Overlay
- •Camera module layout is different — cutout won't align
Edge types differ (curved vs flat) — screen protector won't adhere properly.
| Dimension | OnePlus 9 Pro | Pixel 9a | Difference |
|---|---|---|---|
| Height | 163.2mm | 154.7mm | Pixel 9a -8.5mm (shorter) |
| Width | 73.6mm | 73.3mm | Pixel 9a -0.3mm (narrower) |
| Thickness | 8.7mm | 8.9mm | Pixel 9a +0.2mm (thicker) |
| Weight | 197g | 186g | Pixel 9a -11.0g (lighter) |
| Screen | 6.7" | 6.3" | Pixel 9a -0.4" (smaller) |
Visual Size Comparison
Button & Port Layout
Which is bigger?
The OnePlus 9 Pro is the taller phone at 163.2mm (vs 154.7mm). It is also 11g 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 | OnePlus 9 Pro | Pixel 9a |
|---|---|---|
| Wireless Charging | 10W | 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 OnePlus 9 Pro to Pixel 9a?
Different sizes mean your old case probably won't fit. You'll need a new one.
Accessories for OnePlus 9 Pro
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Frequently Asked Questions
Is OnePlus 9 Pro bigger than Pixel 9a?
Yes, the OnePlus 9 Pro is 8.5mm taller and 0.3mm wider. The OnePlus 9 Pro weighs 197g vs 186g.
Are OnePlus 9 Pro and Pixel 9a the same size?
No, the height differs by 8.5mm, width by 0.3mm, and thickness by 0.2mm.