Between the Galaxy S26+ and OnePlus Open 2, the Galaxy S26+ comes out ahead in weight and pixel density, while the OnePlus Open 2 wins on wireless charging and front camera. Overall, the Galaxy S26+ scores 68.5 and the OnePlus Open 2 scores 74.5 on our Mars Score.
Which should you buy?
The OnePlus Open 2 edges ahead on the Mars Score (68.5 vs 74.5), but the 6.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Galaxy S26+ 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.
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, wired charging, among others.
Both ship with comparable main camera, refresh rate, 5g support, 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 Samsung - Galaxy S26+ wins
- ▲Weight — 43.00 g less. 196 vs 239.
- ▲Pixel density — 27.61% more. 513 ppi vs 402 ppi.
- ▲Promised OS updates: 7 (vs 4).
Why OnePlus Open 2 wins
- ▲Wireless charging — 233.33% more. 50 W vs 15 W.
- ▲Front camera — 166.67% more. 32 MP vs 12 MP.
- ▲Wired charging — 77.78% more. 80 W vs 45 W.
- ▲RAM — 33.33% more. 16 GB vs 12 GB.
- ▲AnTuTu — 21.82% more. 2680000 vs 2200000.
- ▲Screen size — 19.40% more. 8.0 " vs 6.7 ".
- ▲Battery capacity — 16.33% more. 5700 mAh vs 4900 mAh.
Spec comparison
Design
| Spec | Samsung - Galaxy S26+ | OnePlus Open 2 |
|---|---|---|
| Weight | 196 glead | 239 g |
| Thickness | 7.6 mmlead | 11.7 mm |
| Water resistanceⓘ | IP68 | IP68 |
| Form factor | bar | foldable_booklead |
Display
| Spec | Samsung - Galaxy S26+ | OnePlus Open 2 |
|---|---|---|
| Screen sizeⓘ | 6.7 " | 8.0 "lead |
| Pixel densityⓘ | 513 ppilead | 402 ppi |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2600 nits | 4500 nitslead |
Performance
Cameras
| Spec | Samsung - Galaxy S26+ | OnePlus Open 2 |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 12 MP | 32 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Samsung - Galaxy S26+ | OnePlus Open 2 |
|---|---|---|
| Battery capacity | 4900 mAh | 5700 mAhlead |
| Wired chargingⓘ | 45 W | 80 Wlead |
| Wireless chargingⓘ | 15 W | 50 Wlead |
Connectivity
| Spec | Samsung - Galaxy S26+ | OnePlus Open 2 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Samsung - Galaxy S26+ | OnePlus Open 2 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 7 yearslead | 4 years |
Frequently asked
Which has better battery, Galaxy S26+ or OnePlus Open 2?+
OnePlus Open 2 has 16.3% more battery — 4900 mAh vs 5700 mAh.
Which is lighter, Galaxy S26+ or OnePlus Open 2?+
Galaxy S26+ is 43g lighter — 196g vs 239g.
Is Galaxy S26+ waterproof?+
Galaxy S26+ has an IP68 rating.
Does OnePlus Open 2 support 5G?+
Yes, OnePlus Open 2 supports 5G.
Which has more RAM, Galaxy S26+ or OnePlus Open 2?+
OnePlus Open 2 offers 16GB of RAM.
Which has a better camera, Galaxy S26+ or OnePlus Open 2?+
OnePlus Open 2 has a 50 MP main camera vs 50 MP.
Spec-level deep dives
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