Between the OnePlus Open 2 and Pixel 9 Pro Fold, the OnePlus Open 2 comes out ahead in wireless charging / wired charging, while the Pixel 9 Pro Fold wins on water resistance / promised os updates. Overall, the OnePlus Open 2 scores 74.5 and the Pixel 9 Pro Fold scores 67.1 on our Mars Score.
Which should you buy?
The OnePlus Open 2 edges ahead on the Mars Score (74.5 vs 67.1), but the 7.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the OnePlus Open 2 if you photograph or shoot video regularly and want the better imaging pipeline of the two. The biggest gaps in its favor are wireless charging, wired charging, front camera, among others.
Pick the Pixel 9 Pro Fold if you care most about water resistance / promised os updates. Its strongest claims are water resistance, promised os updates.
Both ship with comparable ram, screen size, refresh rate, so those specs do not separate the two — focus on the differences below.
Bottom line: the OnePlus Open 2 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why OnePlus Open 2 wins
- ▲Wireless charging — 566.67% more. 50 W vs 7.5 W.
- ▲Wired charging — 280.95% more. 80 W vs 21 W.
- ▲Front camera — 220.00% more. 32 MP vs 10 MP.
- ▲AnTuTu — 116.13% more. 2680000 vs 1240000.
- ▲Battery capacity — 22.58% more. 5700 mAh vs 4650 mAh.
- ▲Weight — 18.00 g less. 239 vs 257.
- ▲Pixel density — 7.77% more. 402 ppi vs 373 ppi.
- ▲Main camera — 4.17% more. 50 MP vs 48 MP.
Why Google - Pixel 9 Pro Fold wins
- ▲Water resistance: IPX8 (vs IP68).
- ▲Promised OS updates: 7 (vs 4).
Spec comparison
Design
| Spec | OnePlus Open 2 | Google - Pixel 9 Pro Fold |
|---|---|---|
| Weight | 239 glead | 257 g |
| Thickness | 11.7 mm | 10.5 mmlead |
| Water resistanceⓘ | IP68 | IPX8lead |
| Form factor | foldable_book | foldable_book |
Display
| Spec | OnePlus Open 2 | Google - Pixel 9 Pro Fold |
|---|---|---|
| Screen sizeⓘ | 8.0 " | 8.0 " |
| Pixel densityⓘ | 402 ppilead | 373 ppi |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 4500 nitslead | 2700 nits |
Performance
Cameras
| Spec | OnePlus Open 2 | Google - Pixel 9 Pro Fold |
|---|---|---|
| Main cameraⓘ | 50 MPlead | 48 MP |
| Front camera | 32 MPlead | 10 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | OnePlus Open 2 | Google - Pixel 9 Pro Fold |
|---|---|---|
| Battery capacity | 5700 mAhlead | 4650 mAh |
| Wired chargingⓘ | 80 Wlead | 21 W |
| Wireless chargingⓘ | 50 Wlead | 7.5 W |
Connectivity
| Spec | OnePlus Open 2 | Google - Pixel 9 Pro Fold |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | OnePlus Open 2 | Google - Pixel 9 Pro Fold |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 4 years | 7 yearslead |
Frequently asked
Which has better battery, OnePlus Open 2 or Pixel 9 Pro Fold?+
OnePlus Open 2 has 22.6% more battery — 5700 mAh vs 4650 mAh.
Which is lighter, OnePlus Open 2 or Pixel 9 Pro Fold?+
OnePlus Open 2 is 18g lighter — 239g vs 257g.
Is OnePlus Open 2 waterproof?+
OnePlus Open 2 has an IP68 rating.
Does Pixel 9 Pro Fold support 5G?+
Yes, Pixel 9 Pro Fold supports 5G.
Which has a better camera, OnePlus Open 2 or Pixel 9 Pro Fold?+
OnePlus Open 2 has a 50 MP main camera vs 48 MP.
Spec-level deep dives
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