Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Samsung - Galaxy Z Flip 7 | OnePlus 15 |
|---|---|---|
| Wired charging | 25 W | 120 W |
| Wireless charging | 15 W | 50 W |
| Front camera | 10 MP | 32 MP |
| Battery capacity | 4000 mAh | 7500 mAh |
| AnTuTu | 2020000 | 2950000 |
| RAM | 12 GB | 16 GB |
Between the Galaxy Z Flip 7 and OnePlus 15, the Galaxy Z Flip 7 comes out ahead in weight / promised os updates, while the OnePlus 15 wins on wired charging / wireless charging. Overall, the Galaxy Z Flip 7 scores 67 and the OnePlus 15 scores 76.7 on our Mars Score.
Which should you buy?
The OnePlus 15 is the clear pick on raw spec strength, leading by 9.7 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 Flip 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. The single most decisive one: Weight — 24.00 g less. 187 vs 211.
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 main camera, refresh rate, 5g support, 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 Flip 7 or OnePlus 15?
OnePlus 15 leads the current Mars Score by 9.7 points.The more useful decision is the trade-off behind that result: compare screen size, ram, pixel density, battery capacity against the way you will actually use the product.
Choose Samsung - Galaxy Z Flip 7 if…
Samsung - Galaxy Z Flip 7 has the measurable edge on weight g, 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 Flip 7 wins
- ▲Weight — 24.00 g less. 187 vs 211.
- ▲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 — 87.50% more. 7500 mAh vs 4000 mAh.
- ▲AnTuTu — 46.04% more. 2950000 vs 2020000.
- ▲RAM — 33.33% more. 16 GB vs 12 GB.
- ▲Pixel density — 5.88% more. 450 ppi vs 425 ppi.
- ▲Screen size — 1.19% more. 6.78 " vs 6.7 ".
Spec comparison
Design
| Spec | Samsung - Galaxy Z Flip 7 | OnePlus 15 |
|---|---|---|
| Weight | 187 glead | 211 g |
| Thickness | 13.7 mm | 8.3 mmlead |
| Water resistanceⓘ | IP48 | IP69lead |
| Form factor | foldable_clamshelllead | bar |
Display
| Spec | Samsung - Galaxy Z Flip 7 | OnePlus 15 |
|---|---|---|
| Screen size | 6.7 " | 6.78 "lead |
| Pixel densityⓘ | 425 ppi | 450 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2600 nits | 4500 nitslead |
Performance
| Spec | Samsung - Galaxy Z Flip 7 | OnePlus 15 |
|---|---|---|
| RAMⓘ | 12 GB | 16 GBlead |
| Storageⓘ | 256 GB | 512 GBlead |
| AnTuTuⓘ | 2020000 | 2950000lead |
| CPU total clockⓘ | 21.0 GHz | 23.6 GHzlead |
Cameras
| Spec | Samsung - Galaxy Z Flip 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 Flip 7 | OnePlus 15 |
|---|---|---|
| Battery capacityⓘ | 4000 mAh | 7500 mAhlead |
| Wired chargingⓘ | 25 W | 120 Wlead |
| Wireless chargingⓘ | 15 W | 50 Wlead |
Connectivity
| Spec | Samsung - Galaxy Z Flip 7 | OnePlus 15 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Samsung - Galaxy Z Flip 7 | OnePlus 15 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 7 yearslead | 5 years |
Frequently asked
Which has better battery, Galaxy Z Flip 7 or OnePlus 15?+
OnePlus 15 has 87.5% more battery — 4000 mAh vs 7500 mAh.
Which is lighter, Galaxy Z Flip 7 or OnePlus 15?+
Galaxy Z Flip 7 is 24g lighter — 187g vs 211g.
Is Galaxy Z Flip 7 waterproof?+
Galaxy Z Flip 7 has an IP48 rating.
Does OnePlus 15 support 5G?+
Yes, OnePlus 15 supports 5G.
Which has more RAM, Galaxy Z Flip 7 or OnePlus 15?+
OnePlus 15 offers 16GB of RAM.
Which has a better camera, Galaxy Z Flip 7 or OnePlus 15?+
OnePlus 15 has a 50 MP main camera vs 50 MP.