Between the iPhone SE (3rd gen) and OnePlus Open 2, the iPhone SE (3rd gen) comes out ahead in weight and promised os updates, while the OnePlus Open 2 wins on wireless charging and front camera. Overall, the iPhone SE (3rd gen) scores 40.7 and the OnePlus Open 2 scores 74.5 on our Mars Score.
Which should you buy?
The OnePlus Open 2 is the clear pick on raw spec strength, leading by 33.8 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 SE (3rd gen) 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.
Pick the OnePlus Open 2 if you photograph or shoot video regularly and want the better imaging pipeline of the two. Its strongest claims are wireless charging, front camera, main camera, among others.
Both ship with comparable 5g support, optical image stabilization, headphone jack, so those specs don't separate the two — focus on the differences below.
Bottom line: the OnePlus Open 2 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Apple - iPhone SE (3rd gen) wins
- ▲Weight — 95.00 g less. 144 vs 239.
- ▲Promised OS updates: 5 (vs 4).
Why OnePlus Open 2 wins
- ▲Wireless charging — 566.67% more. 50 W vs 7.5 W.
- ▲Front camera — 357.14% more. 32 MP vs 7 MP.
- ▲Main camera — 316.67% more. 50 MP vs 12 MP.
- ▲RAM — 300.00% more. 16 GB vs 4 GB.
- ▲Wired charging — 300.00% more. 80 W vs 20 W.
- ▲AnTuTu — 243.59% more. 2680000 vs 780000.
- ▲Battery capacity — 182.46% more. 5700 mAh vs 2018 mAh.
- ▲Refresh rate — 100.00% more. 120 Hz vs 60 Hz.
Spec comparison
Design
| Spec | Apple - iPhone SE (3rd gen) | OnePlus Open 2 |
|---|---|---|
| Weight | 144 glead | 239 g |
| Thickness | 7.3 mmlead | 11.7 mm |
| Water resistanceⓘ | IP67 | IP68lead |
| Form factor | bar | foldable_booklead |
Display
| Spec | Apple - iPhone SE (3rd gen) | OnePlus Open 2 |
|---|---|---|
| Screen sizeⓘ | 4.7 " | 8.0 "lead |
| Pixel densityⓘ | 326 ppi | 402 ppilead |
| Refresh rateⓘ | 60 Hz | 120 Hzlead |
| Peak brightnessⓘ | 625 nits | 4500 nitslead |
Performance
Cameras
| Spec | Apple - iPhone SE (3rd gen) | OnePlus Open 2 |
|---|---|---|
| Main cameraⓘ | 12 MP | 50 MPlead |
| Front camera | 7 MP | 32 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Apple - iPhone SE (3rd gen) | OnePlus Open 2 |
|---|---|---|
| Battery capacity | 2018 mAh | 5700 mAhlead |
| Wired chargingⓘ | 20 W | 80 Wlead |
| Wireless chargingⓘ | 7.5 W | 50 Wlead |
Connectivity
| Spec | Apple - iPhone SE (3rd gen) | OnePlus Open 2 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Apple - iPhone SE (3rd gen) | OnePlus Open 2 |
|---|---|---|
| OS | iOSlead | Android |
| Promised OS updates | 5 yearslead | 4 years |
Frequently asked
Which has better battery, iPhone SE (3rd gen) or OnePlus Open 2?+
OnePlus Open 2 has 182.5% more battery — 2018 mAh vs 5700 mAh.
Which is lighter, iPhone SE (3rd gen) or OnePlus Open 2?+
iPhone SE (3rd gen) is 95g lighter — 144g vs 239g.
Is iPhone SE (3rd gen) waterproof?+
iPhone SE (3rd gen) has an IP67 rating.
Does OnePlus Open 2 support 5G?+
Yes, OnePlus Open 2 supports 5G.
Which has more RAM, iPhone SE (3rd gen) or OnePlus Open 2?+
OnePlus Open 2 offers 16GB of RAM.
Which has a better camera, iPhone SE (3rd gen) or OnePlus Open 2?+
OnePlus Open 2 has a 50 MP main camera vs 12 MP.
Spec-level deep dives
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