Between the iPhone 15 Pro Max and OnePlus 12, the iPhone 15 Pro Max comes out ahead in water resistance and promised os updates, while the OnePlus 12 wins on wired charging and wireless charging. Overall, the iPhone 15 Pro Max scores 63.2 and the OnePlus 12 scores 69.6 on our Mars Score.
Which should you buy?
The OnePlus 12 edges ahead on the Mars Score (63.2 vs 69.6), but the 6.4-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the iPhone 15 Pro Max if you care most about water resistance and promised os updates. The biggest gaps in its favor are water resistance, promised os updates.
Pick the OnePlus 12 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 12 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
- ▲Water resistance: IP68 (vs IP65).
- ▲Promised OS updates: 5 (vs 4).
Why OnePlus 12 wins
- ▲Wired charging — 270.37% more. 100 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 — 50.00% more. 12 GB vs 8 GB.
- ▲AnTuTu — 34.64% more. 2060000 vs 1530000.
- ▲Battery capacity — 22.12% more. 5400 mAh vs 4422 mAh.
- ▲Pixel density — 10.87% more. 510 ppi vs 460 ppi.
- ▲Main camera — 4.17% more. 50 MP vs 48 MP.
Spec comparison
Design
| Spec | Apple - iPhone 15 Pro Max | OnePlus 12 |
|---|---|---|
| Weight | 221 g | 220 glead |
| Thickness | 8.25 mmlead | 9.15 mm |
| Water resistanceⓘ | IP68lead | IP65 |
| Form factor | bar | bar |
Display
| Spec | Apple - iPhone 15 Pro Max | OnePlus 12 |
|---|---|---|
| Screen sizeⓘ | 6.7 " | 6.82 "lead |
| Pixel densityⓘ | 460 ppi | 510 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2000 nits | 4500 nitslead |
Performance
Cameras
| Spec | Apple - iPhone 15 Pro Max | OnePlus 12 |
|---|---|---|
| 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 12 |
|---|---|---|
| Battery capacity | 4422 mAh | 5400 mAhlead |
| Wired chargingⓘ | 27 W | 100 Wlead |
| Wireless chargingⓘ | 15 W | 50 Wlead |
Connectivity
| Spec | Apple - iPhone 15 Pro Max | OnePlus 12 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Apple - iPhone 15 Pro Max | OnePlus 12 |
|---|---|---|
| OS | iOSlead | Android |
| Promised OS updates | 5 yearslead | 4 years |
Frequently asked
Which has better battery, iPhone 15 Pro Max or OnePlus 12?+
OnePlus 12 has 22.1% more battery — 4422 mAh vs 5400 mAh.
Which is lighter, iPhone 15 Pro Max or OnePlus 12?+
OnePlus 12 is 1g lighter — 221g vs 220g.
Is iPhone 15 Pro Max waterproof?+
iPhone 15 Pro Max has an IP68 rating.
Does OnePlus 12 support 5G?+
Yes, OnePlus 12 supports 5G.
Which has more RAM, iPhone 15 Pro Max or OnePlus 12?+
OnePlus 12 offers 12GB of RAM.
Which has a better camera, iPhone 15 Pro Max or OnePlus 12?+
OnePlus 12 has a 50 MP main camera vs 48 MP.
Spec-level deep dives
More from the same brands
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.