Between the Galaxy S26 and OnePlus 13R, the Galaxy S26 comes out ahead in weight and antutu, while the OnePlus 13R wins on wired charging and battery capacity. Overall, the Galaxy S26 scores 64.6 and the OnePlus 13R scores 71.3 on our Mars Score.
Which should you buy?
The OnePlus 13R edges ahead on the Mars Score (64.6 vs 71.3), but the 6.7-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Galaxy S26 if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. The biggest gaps in its favor are weight, antutu, water resistance, among others.
Pick the OnePlus 13R 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, battery capacity, front camera, among others.
Both ship with comparable ram, main camera, refresh rate, so those specs don't separate the two — focus on the differences below.
Bottom line: the OnePlus 13R 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 — 38.00 g less. 168 vs 206.
- ▲AnTuTu — 3.37% more. 2150000 vs 2080000.
- ▲Water resistance: IP68 (vs IP65).
- ▲Promised OS updates: 7 (vs 4).
- ▲Wireless charging: 15 W vs 0 W.
Why OnePlus 13R wins
- ▲Wired charging — 77.78% more. 80 W vs 45 W.
- ▲Battery capacity — 50.00% more. 6000 mAh vs 4000 mAh.
- ▲Front camera — 33.33% more. 16 MP vs 12 MP.
- ▲Screen size — 9.35% more. 6.78 " vs 6.2 ".
- ▲Pixel density — 5.88% more. 450 ppi vs 425 ppi.
Spec comparison
Design
| Spec | Samsung - Galaxy S26 | OnePlus 13R |
|---|---|---|
| Weight | 168 glead | 206 g |
| Thickness | 7.4 mmlead | 8.0 mm |
| Water resistanceⓘ | IP68lead | IP65 |
| Form factor | bar | bar |
Display
| Spec | Samsung - Galaxy S26 | OnePlus 13R |
|---|---|---|
| Screen sizeⓘ | 6.2 " | 6.78 "lead |
| Pixel densityⓘ | 425 ppi | 450 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2400 nits | 4500 nitslead |
Performance
Cameras
| Spec | Samsung - Galaxy S26 | OnePlus 13R |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 12 MP | 16 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Samsung - Galaxy S26 | OnePlus 13R |
|---|---|---|
| Battery capacity | 4000 mAh | 6000 mAhlead |
| Wired chargingⓘ | 45 W | 80 Wlead |
| Wireless chargingⓘ | 15 Wlead | 0 W |
Connectivity
| Spec | Samsung - Galaxy S26 | OnePlus 13R |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Samsung - Galaxy S26 | OnePlus 13R |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 7 yearslead | 4 years |
Frequently asked
Which has better battery, Galaxy S26 or OnePlus 13R?+
OnePlus 13R has 50.0% more battery — 4000 mAh vs 6000 mAh.
Which is lighter, Galaxy S26 or OnePlus 13R?+
Galaxy S26 is 38g lighter — 168g vs 206g.
Is Galaxy S26 waterproof?+
Galaxy S26 has an IP68 rating.
Does OnePlus 13R support 5G?+
Yes, OnePlus 13R supports 5G.
Which has a better camera, Galaxy S26 or OnePlus 13R?+
OnePlus 13R has a 50 MP main camera vs 50 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.