Between the Galaxy Z Fold 7 and OnePlus Open 2, the Galaxy Z Fold 7 comes out ahead in weight and promised os updates, while the OnePlus Open 2 wins on wireless charging and wired charging. Overall, the Galaxy Z Fold 7 scores 69.5 and the OnePlus Open 2 scores 74.5 on our Mars Score.
Which should you buy?
The OnePlus Open 2 edges ahead on the Mars Score (69.5 vs 74.5), but the 5.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Galaxy Z Fold 7 if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight, promised os updates.
Pick the OnePlus Open 2 if you photograph or shoot video regularly and want the better imaging pipeline of the two. Its strongest claims are wireless charging, wired charging, front camera, among others.
Both ship with comparable ram, main camera, refresh rate, so those specs don't 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 Samsung - Galaxy Z Fold 7 wins
- ▲Weight — 24.00 g less. 215 vs 239.
- ▲Promised OS updates: 7 (vs 4).
Why OnePlus Open 2 wins
- ▲Wireless charging — 233.33% more. 50 W vs 15 W.
- ▲Wired charging — 220.00% more. 80 W vs 25 W.
- ▲Front camera — 220.00% more. 32 MP vs 10 MP.
- ▲AnTuTu — 30.73% more. 2680000 vs 2050000.
- ▲Battery capacity — 29.55% more. 5700 mAh vs 4400 mAh.
- ▲Pixel density — 7.49% more. 402 ppi vs 374 ppi.
- ▲Screen size — 5.26% more. 8.0 " vs 7.6 ".
Spec comparison
Design
| Spec | Samsung - Galaxy Z Fold 7 | OnePlus Open 2 |
|---|---|---|
| Weight | 215 glead | 239 g |
| Thickness | 10.6 mmlead | 11.7 mm |
| Water resistanceⓘ | IP68 | IP68 |
| Form factor | foldable_book | foldable_book |
Display
| Spec | Samsung - Galaxy Z Fold 7 | OnePlus Open 2 |
|---|---|---|
| Screen sizeⓘ | 7.6 " | 8.0 "lead |
| Pixel densityⓘ | 374 ppi | 402 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2600 nits | 4500 nitslead |
Performance
Cameras
| Spec | Samsung - Galaxy Z Fold 7 | OnePlus Open 2 |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 10 MP | 32 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Samsung - Galaxy Z Fold 7 | OnePlus Open 2 |
|---|---|---|
| Battery capacity | 4400 mAh | 5700 mAhlead |
| Wired chargingⓘ | 25 W | 80 Wlead |
| Wireless chargingⓘ | 15 W | 50 Wlead |
Connectivity
| Spec | Samsung - Galaxy Z Fold 7 | OnePlus Open 2 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Samsung - Galaxy Z Fold 7 | OnePlus Open 2 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 7 yearslead | 4 years |
Frequently asked
Which has better battery, Galaxy Z Fold 7 or OnePlus Open 2?+
OnePlus Open 2 has 29.5% more battery — 4400 mAh vs 5700 mAh.
Which is lighter, Galaxy Z Fold 7 or OnePlus Open 2?+
Galaxy Z Fold 7 is 24g lighter — 215g vs 239g.
Is Galaxy Z Fold 7 waterproof?+
Galaxy Z Fold 7 has an IP68 rating.
Does OnePlus Open 2 support 5G?+
Yes, OnePlus Open 2 supports 5G.
Which has a better camera, Galaxy Z Fold 7 or OnePlus Open 2?+
OnePlus Open 2 has a 50 MP main camera vs 50 MP.
Spec-level deep dives
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