Between the Galaxy Z Fold 7 and OnePlus 15, the Galaxy Z Fold 7 comes out ahead in screen size and promised os updates, while the OnePlus 15 wins on wired charging and wireless charging. Overall, the Galaxy Z Fold 7 scores 69.5 and the OnePlus 15 scores 78.4 on our Mars Score.
Which should you buy?
The OnePlus 15 is the clear pick on raw spec strength, leading by 8.9 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Galaxy Z Fold 7 if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are screen size, promised os updates.
Pick the OnePlus 15 if you photograph or shoot video regularly and want the better imaging pipeline of the two. Its strongest claims are wired charging, wireless 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 15 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
- ▲Screen size — 12.09% more. 7.6 " vs 6.78 ".
- ▲Promised OS updates: 7 (vs 5).
Why OnePlus 15 wins
- ▲Wired charging — 380.00% more. 120 W vs 25 W.
- ▲Wireless charging — 233.33% more. 50 W vs 15 W.
- ▲Front camera — 220.00% more. 32 MP vs 10 MP.
- ▲Battery capacity — 70.45% more. 7500 mAh vs 4400 mAh.
- ▲AnTuTu — 43.90% more. 2950000 vs 2050000.
- ▲Pixel density — 20.32% more. 450 ppi vs 374 ppi.
- ▲Weight — 4.00 g less. 211 vs 215.
- ▲Water resistance: IP69 (vs IP68).
Spec comparison
Design
| Spec | Samsung - Galaxy Z Fold 7 | OnePlus 15 |
|---|---|---|
| Weight | 215 g | 211 glead |
| Thickness | 10.6 mm | 8.3 mmlead |
| Water resistanceⓘ | IP68 | IP69lead |
| Form factor | foldable_booklead | bar |
Display
| Spec | Samsung - Galaxy Z Fold 7 | OnePlus 15 |
|---|---|---|
| Screen sizeⓘ | 7.6 "lead | 6.78 " |
| Pixel densityⓘ | 374 ppi | 450 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2600 nits | 4500 nitslead |
Performance
Cameras
| Spec | Samsung - Galaxy Z Fold 7 | OnePlus 15 |
|---|---|---|
| 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 15 |
|---|---|---|
| Battery capacity | 4400 mAh | 7500 mAhlead |
| Wired chargingⓘ | 25 W | 120 Wlead |
| Wireless chargingⓘ | 15 W | 50 Wlead |
Connectivity
| Spec | Samsung - Galaxy Z Fold 7 | OnePlus 15 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Samsung - Galaxy Z Fold 7 | OnePlus 15 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 7 yearslead | 5 years |
Frequently asked
Which has better battery, Galaxy Z Fold 7 or OnePlus 15?+
OnePlus 15 has 70.5% more battery — 4400 mAh vs 7500 mAh.
Which is lighter, Galaxy Z Fold 7 or OnePlus 15?+
OnePlus 15 is 4g lighter — 215g vs 211g.
Is Galaxy Z Fold 7 waterproof?+
Galaxy Z Fold 7 has an IP68 rating.
Does OnePlus 15 support 5G?+
Yes, OnePlus 15 supports 5G.
Which has a better camera, Galaxy Z Fold 7 or OnePlus 15?+
OnePlus 15 has a 50 MP main camera vs 50 MP.
Spec-level deep dives
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