Pixel 9 Pro Fold vs OnePlus Open size
The Pixel 9 Pro Fold measures 155.2 x 77.1 x 10.5 mm and the OnePlus Open measures 153.4 x 73.3 x 11.9 mm (folded). The Pixel 9 Pro Fold is the bigger phone. Its front covers 6.4% more area than the OnePlus Open.
- Pixel 9 Pro Fold257 g155.2 x 77.1 x 10.5 mm
- OnePlus Open239 g153.4 x 73.3 x 11.9 mm
Outlines are drawn from published dimensions. Screen and camera shapes are simplified.
How the Pixel 9 Pro Fold measures up
| Spec | Pixel 9 Pro Fold | OnePlus Open | Difference |
|---|---|---|---|
| Height (closed) | 155.2 mm 6.11 in | 153.4 mm 6.04 in | +1.8 mm (+1.2%) |
| Width (closed) | 77.1 mm 3.04 in | 73.3 mm 2.89 in | +3.8 mm (+5.2%) |
| Thickness (closed) | 10.5 mm 0.41 in | 11.9 mm 0.47 in | -1.4 mm (-11.8%) |
| Height (open) | 155.2 mm | 153.4 mm | +1.8 mm (+1.2%) |
| Width (open) | 150.2 mm | 143.1 mm | +7.1 mm (+5.0%) |
| Thickness (open) | 5.1 mm | 5.9 mm | -0.8 mm (-13.6%) |
| Weight | 257 g 9.1 oz | 239 g 8.4 oz | +18 g (+7.5%) |
| Main screen | 8 in | 7.82 in | +0.18 in (+2.3%) |
| Front footprint | 119.7 cm² | 112.4 cm² | +7.2 cm² (+6.4%) |
What the difference feels like
The Pixel 9 Pro Fold is 3.8 mm wider, an obvious difference in the hand. If you use your phone one-handed, the OnePlus Open will be easier to reach across.
In a jeans pocket the Pixel 9 Pro Fold sits 1.8 mm higher, about 0.07 inches.
The OnePlus Open is 1.4 mm thicker when folded. Manufacturers measure thickness without the camera bump, so the real difference at the camera can be larger.
At 18 g heavier (0.6 oz), the Pixel 9 Pro Fold is noticeably heftier when you hold it up to read.
Common questions
Is the Pixel 9 Pro Fold bigger than the OnePlus Open?
The Pixel 9 Pro Fold is the bigger phone. Its front covers 6.4% more area than the OnePlus Open. Height differs by 1.8 mm and width by 3.8 mm.
Will a OnePlus Open case fit the Pixel 9 Pro Fold?
No. A case is cut for one model's exact size, buttons and camera, and these two differ by 1.8 mm in height and 3.8 mm in width. Buy a case made for the Pixel 9 Pro Fold.
Which is easier to use with one hand?
The OnePlus Open, because it is 3.8 mm narrower. Width matters more than height for reaching across the screen with your thumb.
Cases and prices
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Related comparisons
Sources
- Pixel 9 Pro Fold: manufacturer spec page
- OnePlus Open: manufacturer spec page
See each phone's page for the full spec: Pixel 9 Pro Fold and OnePlus Open.