Between the Galaxy S26 Ultra and OnePlus 13R, the Galaxy S26 Ultra comes out ahead in main camera and ram, while the OnePlus 13R wins on front camera and weight. Overall, the Galaxy S26 Ultra scores 75.6 and the OnePlus 13R scores 71.3 on our Mars Score.
Which should you buy?
The Galaxy S26 Ultra edges ahead on the Mars Score (75.6 vs 71.3), but the 4.3-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Galaxy S26 Ultra if you photograph or shoot video regularly and want the better imaging pipeline of the two. The biggest gaps in its favor are main camera, ram, pixel density, among others.
Pick the OnePlus 13R if you photograph or shoot video regularly and want the better imaging pipeline of the two. Its strongest claims are front camera, weight, wired charging, 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: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Samsung - Galaxy S26 Ultra wins
- ▲Main camera — 300.00% more. 200 MP vs 50 MP.
- ▲RAM — 33.33% more. 16 GB vs 12 GB.
- ▲Pixel density — 11.33% more. 501 ppi vs 450 ppi.
- ▲AnTuTu — 11.06% more. 2310000 vs 2080000.
- ▲Screen size — 1.77% more. 6.9 " vs 6.78 ".
- ▲Water resistance: IP68 (vs IP65).
- ▲Promised OS updates: 7 (vs 4).
- ▲Wireless charging: 15 W vs 0 W.
Why OnePlus 13R wins
- ▲Front camera — 33.33% more. 16 MP vs 12 MP.
- ▲Weight — 26.00 g less. 206 vs 232.
- ▲Wired charging — 23.08% more. 80 W vs 65 W.
- ▲Battery capacity — 20.00% more. 6000 mAh vs 5000 mAh.
Spec comparison
Design
| Spec | Samsung - Galaxy S26 Ultra | OnePlus 13R |
|---|---|---|
| Weight | 232 g | 206 glead |
| Thickness | 8.6 mm | 8.0 mmlead |
| Water resistanceⓘ | IP68lead | IP65 |
| Form factor | bar | bar |
Display
| Spec | Samsung - Galaxy S26 Ultra | OnePlus 13R |
|---|---|---|
| Screen sizeⓘ | 6.9 "lead | 6.78 " |
| Pixel densityⓘ | 501 ppilead | 450 ppi |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 2600 nits | 4500 nitslead |
Performance
Cameras
| Spec | Samsung - Galaxy S26 Ultra | OnePlus 13R |
|---|---|---|
| Main cameraⓘ | 200 MPlead | 50 MP |
| Front camera | 12 MP | 16 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Samsung - Galaxy S26 Ultra | OnePlus 13R |
|---|---|---|
| Battery capacity | 5000 mAh | 6000 mAhlead |
| Wired chargingⓘ | 65 W | 80 Wlead |
| Wireless chargingⓘ | 15 Wlead | 0 W |
Connectivity
| Spec | Samsung - Galaxy S26 Ultra | OnePlus 13R |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | Samsung - Galaxy S26 Ultra | OnePlus 13R |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 7 yearslead | 4 years |
Frequently asked
Which has better battery, Galaxy S26 Ultra or OnePlus 13R?+
OnePlus 13R has 20.0% more battery — 5000 mAh vs 6000 mAh.
Which is lighter, Galaxy S26 Ultra or OnePlus 13R?+
OnePlus 13R is 26g lighter — 232g vs 206g.
Is Galaxy S26 Ultra waterproof?+
Galaxy S26 Ultra has an IP68 rating.
Does OnePlus 13R support 5G?+
Yes, OnePlus 13R supports 5G.
Which has more RAM, Galaxy S26 Ultra or OnePlus 13R?+
Galaxy S26 Ultra offers 16GB of RAM.
Which has a better camera, Galaxy S26 Ultra or OnePlus 13R?+
Galaxy S26 Ultra has a 200 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.