Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Samsung - Galaxy Z Fold 7 | OnePlus 15 |
|---|---|---|
| Wired charging | 25 W | 120 W |
| Wireless charging | 15 W | 50 W |
| Front camera | 10 MP | 32 MP |
| Battery capacity | 4400 mAh | 7500 mAh |
| AnTuTu | 2050000 | 2950000 |
| Pixel density | 374 ppi | 450 ppi |
Between the Galaxy Z Fold 7 and OnePlus 15, the Galaxy Z Fold 7 comes out ahead in screen size / promised os updates, while the OnePlus 15 wins on wired charging / wireless charging. Overall, the Galaxy Z Fold 7 scores 69.6 and the OnePlus 15 scores 76.7 on our Mars Score.
Which should you buy?
The OnePlus 15 edges ahead on the Mars Score (69.6 vs 76.7), but the 7.1-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 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. The single most decisive one: Screen size — 12.09% more. 7.6 " vs 6.78 ".
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. The single most decisive one: Wired charging — 380.00% more. 120 W vs 25 W.
Both ship with comparable ram, main camera, refresh rate, so those specs do not 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.
Which should you buy: Samsung - Galaxy Z Fold 7 or OnePlus 15?
OnePlus 15 leads the current Mars Score by 7.1 points.The more useful decision is the trade-off behind that result: compare screen size, pixel density, battery capacity against the way you will actually use the product.
Choose Samsung - Galaxy Z Fold 7 if…
Samsung - Galaxy Z Fold 7 has the measurable edge on screen size in, promised os years.
Choose OnePlus 15 if…
OnePlus 15 has the measurable edge on wired charging w, wireless charging w, front cam mp.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
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
| Spec | Samsung - Galaxy Z Fold 7 | OnePlus 15 |
|---|---|---|
| RAMⓘ | 16 GB | 16 GB |
| Storageⓘ | 512 GB | 512 GB |
| AnTuTuⓘ | 2050000 | 2950000lead |
| CPU total clockⓘ | 21.4 GHz | 23.6 GHzlead |
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.