Between the iPhone 15 Pro Max and OnePlus 15, the iPhone 15 Pro Max comes out ahead in pixel density, while the OnePlus 15 wins on wired charging and wireless charging. Overall, the iPhone 15 Pro Max scores 63.2 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 15.2 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 15 Pro Max 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 pixel density.
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 refresh rate, 5g support, optical image stabilization, 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 Apple - iPhone 15 Pro Max wins
- ▲Pixel density — 2.22% more. 460 ppi vs 450 ppi.
Why OnePlus 15 wins
- ▲Wired charging — 344.44% more. 120 W vs 27 W.
- ▲Wireless charging — 233.33% more. 50 W vs 15 W.
- ▲Front camera — 166.67% more. 32 MP vs 12 MP.
- ▲RAM — 100.00% more. 16 GB vs 8 GB.
- ▲AnTuTu — 92.81% more. 2950000 vs 1530000.
- ▲Battery capacity — 69.61% more. 7500 mAh vs 4422 mAh.
- ▲Weight — 10.00 g less. 211 vs 221.
- ▲Main camera — 4.17% more. 50 MP vs 48 MP.
Spec comparison
Design
| Spec | Apple - iPhone 15 Pro Max | OnePlus 15 |
|---|---|---|
| Weight | 221 g | 211 glead |
| Thickness | 8.25 mmlead | 8.3 mm |
| Water resistanceⓘ | IP68 | IP69lead |
| Form factor | bar | bar |
Display
| Spec | Apple - iPhone 15 Pro Max | OnePlus 15 |
|---|---|---|
| Screen sizeⓘ | 6.7 " | 6.78 "lead |
| Pixel densityⓘ | 460 ppilead | 450 ppi |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2000 nits | 4500 nitslead |
Performance
Cameras
| Spec | Apple - iPhone 15 Pro Max | OnePlus 15 |
|---|---|---|
| Main cameraⓘ | 48 MP | 50 MPlead |
| Front camera | 12 MP | 32 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Apple - iPhone 15 Pro Max | OnePlus 15 |
|---|---|---|
| Battery capacity | 4422 mAh | 7500 mAhlead |
| Wired chargingⓘ | 27 W | 120 Wlead |
| Wireless chargingⓘ | 15 W | 50 Wlead |
Connectivity
| Spec | Apple - iPhone 15 Pro Max | OnePlus 15 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Apple - iPhone 15 Pro Max | OnePlus 15 |
|---|---|---|
| OS | iOSlead | Android |
| Promised OS updates | 5 years | 5 years |
Frequently asked
Which has better battery, iPhone 15 Pro Max or OnePlus 15?+
OnePlus 15 has 69.6% more battery — 4422 mAh vs 7500 mAh.
Which is lighter, iPhone 15 Pro Max or OnePlus 15?+
OnePlus 15 is 10g lighter — 221g vs 211g.
Is iPhone 15 Pro Max waterproof?+
iPhone 15 Pro Max has an IP68 rating.
Does OnePlus 15 support 5G?+
Yes, OnePlus 15 supports 5G.
Which has more RAM, iPhone 15 Pro Max or OnePlus 15?+
OnePlus 15 offers 16GB of RAM.
Which has a better camera, iPhone 15 Pro Max or OnePlus 15?+
OnePlus 15 has a 50 MP main camera vs 48 MP.
Spec-level deep dives
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