Pixel 9a vs OnePlus 9 Pro: Size & Dimensions Compared
The OnePlus 9 Pro is the larger phone, measuring 8.5mm shorter and 0.3mm 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 9 Pro | Difference |
|---|---|---|---|
| Height | 154.7mm | 163.2mm | OnePlus 9 Pro +8.5mm (taller) |
| Width | 73.3mm | 73.6mm | OnePlus 9 Pro +0.3mm (wider) |
| Thickness | 8.9mm | 8.7mm | OnePlus 9 Pro -0.2mm (thinner) |
| Weight | 186g | 197g | OnePlus 9 Pro +11.0g (heavier) |
| Screen | 6.3" | 6.7" | OnePlus 9 Pro +0.4" (larger) |
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 | Pixel 9a | OnePlus 9 Pro |
|---|---|---|
| Wireless Charging | 15W | 10W |
| 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 9 Pro?
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 OnePlus 9 Pro?
No, the OnePlus 9 Pro is 8.5mm taller. The Pixel 9a weighs 186g vs 197g.
Are Pixel 9a and OnePlus 9 Pro the same size?
No, the height differs by 8.5mm, width by 0.3mm, and thickness by 0.2mm.