Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Apple - iPhone 17 | OnePlus 15 |
|---|---|---|
| Wired charging | 27 W | 120 W |
| Front camera | 12 MP | 32 MP |
| Battery capacity | 3692 mAh | 7500 mAh |
| RAM | 8 GB | 16 GB |
| Wireless charging | 25 W | 50 W |
| AnTuTu | 1980000 | 2950000 |
Between the iPhone 17 and OnePlus 15, the iPhone 17 comes out ahead in weight / pixel density, while the OnePlus 15 wins on wired charging / front camera. Overall, the iPhone 17 scores 63.2 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 13.5 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 iPhone 17 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 weight, pixel density, promised os updates. The single most decisive one: Weight — 17.00 g less. 194 vs 211.
Pick the OnePlus 15 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. Its strongest claims are wired charging, front camera, battery capacity, among others. The single most decisive one: Wired charging — 344.44% more. 120 W vs 27 W.
Both ship with comparable refresh rate, 5g support, optical image stabilization, 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: Apple - iPhone 17 or OnePlus 15?
OnePlus 15 leads the current Mars Score by 13.5 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 Apple - iPhone 17 if…
Apple - iPhone 17 has the measurable edge on weight g, pixel density ppi, promised os years.
Choose OnePlus 15 if…
OnePlus 15 has the measurable edge on wired charging w, front cam mp, battery capacity mah.
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 Apple - iPhone 17 wins
- ▲Weight — 17.00 g less. 194 vs 211.
- ▲Pixel density — 2.22% more. 460 ppi vs 450 ppi.
- ▲Promised OS updates: 6 (vs 5).
Why OnePlus 15 wins
- ▲Wired charging — 344.44% more. 120 W vs 27 W.
- ▲Front camera — 166.67% more. 32 MP vs 12 MP.
- ▲Battery capacity — 103.14% more. 7500 mAh vs 3692 mAh.
- ▲RAM — 100.00% more. 16 GB vs 8 GB.
- ▲Wireless charging — 100.00% more. 50 W vs 25 W.
- ▲AnTuTu — 48.99% more. 2950000 vs 1980000.
- ▲Screen size — 7.62% more. 6.78 " vs 6.3 ".
- ▲Main camera — 4.17% more. 50 MP vs 48 MP.
Spec comparison
Design
| Spec | Apple - iPhone 17 | OnePlus 15 |
|---|---|---|
| Weight | 194 glead | 211 g |
| Thickness | 8.1 mmlead | 8.3 mm |
| Water resistanceⓘ | IP68 | IP69lead |
| Form factor | bar | bar |
Display
| Spec | Apple - iPhone 17 | OnePlus 15 |
|---|---|---|
| Screen size | 6.3 " | 6.78 "lead |
| Pixel densityⓘ | 460 ppilead | 450 ppi |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2200 nits | 4500 nitslead |
Performance
| Spec | Apple - iPhone 17 | OnePlus 15 |
|---|---|---|
| RAMⓘ | 8 GB | 16 GBlead |
| Storageⓘ | 256 GB | 512 GBlead |
| AnTuTuⓘ | 1980000 | 2950000lead |
| CPU total clockⓘ | 19.2 GHz | 23.6 GHzlead |
Cameras
| Spec | Apple - iPhone 17 | OnePlus 15 |
|---|---|---|
| Main cameraⓘ | 48 MP | 50 MPlead |
| Front camera | 12 MP | 32 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Apple - iPhone 17 | OnePlus 15 |
|---|---|---|
| Battery capacityⓘ | 3692 mAh | 7500 mAhlead |
| Wired chargingⓘ | 27 W | 120 Wlead |
| Wireless chargingⓘ | 25 W | 50 Wlead |
Connectivity
| Spec | Apple - iPhone 17 | OnePlus 15 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Apple - iPhone 17 | OnePlus 15 |
|---|---|---|
| OS | iOSlead | Android |
| Promised OS updates | 6 yearslead | 5 years |
Frequently asked
Which has better battery, iPhone 17 or OnePlus 15?+
OnePlus 15 has 103.1% more battery — 3692 mAh vs 7500 mAh.
Which is lighter, iPhone 17 or OnePlus 15?+
iPhone 17 is 17g lighter — 194g vs 211g.
Is iPhone 17 waterproof?+
iPhone 17 has an IP68 rating.
Does OnePlus 15 support 5G?+
Yes, OnePlus 15 supports 5G.
Which has more RAM, iPhone 17 or OnePlus 15?+
OnePlus 15 offers 16GB of RAM.
Which has a better camera, iPhone 17 or OnePlus 15?+
OnePlus 15 has a 50 MP main camera vs 48 MP.