Between the OnePlus 13R and Xiaomi 16 Ultra, the OnePlus 13R comes out ahead in weight and screen size, while the Xiaomi 16 Ultra wins on front camera and antutu. Overall, the OnePlus 13R scores 71.3 and the Xiaomi 16 Ultra scores 74.3 on our Mars Score.
Which should you buy?
The Xiaomi 16 Ultra edges ahead on the Mars Score (71.3 vs 74.3), but the 3.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the OnePlus 13R 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, screen size.
Pick the Xiaomi 16 Ultra if you photograph or shoot video regularly and want the better imaging pipeline of the two. Its strongest claims are front camera, antutu, ram, among others.
Both ship with comparable battery capacity, main camera, refresh rate, 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 OnePlus 13R wins
- ▲Weight — 23.00 g less. 206 vs 229.
- ▲Screen size — 0.74% more. 6.78 " vs 6.73 ".
Why Xiaomi 16 Ultra wins
- ▲Front camera — 100.00% more. 32 MP vs 16 MP.
- ▲AnTuTu — 41.83% more. 2950000 vs 2080000.
- ▲RAM — 33.33% more. 16 GB vs 12 GB.
- ▲Wired charging — 25.00% more. 100 W vs 80 W.
- ▲Pixel density — 16.00% more. 522 ppi vs 450 ppi.
- ▲Water resistance: IP68 (vs IP65).
- ▲Promised OS updates: 5 (vs 4).
- ▲Wireless charging: 80 W vs 0 W.
Spec comparison
Design
| Spec | OnePlus 13R | Xiaomi 16 Ultra |
|---|---|---|
| Weight | 206 glead | 229 g |
| Thickness | 8.0 mmlead | 9.2 mm |
| Water resistanceⓘ | IP65 | IP68lead |
| Form factor | bar | bar |
Display
| Spec | OnePlus 13R | Xiaomi 16 Ultra |
|---|---|---|
| Screen sizeⓘ | 6.78 "lead | 6.73 " |
| Pixel densityⓘ | 450 ppi | 522 ppilead |
| Refresh rateⓘ | 120 Hz | 120 Hz |
| Peak brightnessⓘ | 4500 nitslead | 3200 nits |
Performance
Cameras
| Spec | OnePlus 13R | Xiaomi 16 Ultra |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 16 MP | 32 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | OnePlus 13R | Xiaomi 16 Ultra |
|---|---|---|
| Battery capacity | 6000 mAh | 6000 mAh |
| Wired chargingⓘ | 80 W | 100 Wlead |
| Wireless chargingⓘ | 0 W | 80 Wlead |
Connectivity
| Spec | OnePlus 13R | Xiaomi 16 Ultra |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | OnePlus 13R | Xiaomi 16 Ultra |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 4 years | 5 yearslead |
Frequently asked
Which has better battery, OnePlus 13R or Xiaomi 16 Ultra?+
Xiaomi 16 Ultra has 0.0% more battery — 6000 mAh vs 6000 mAh.
Which is lighter, OnePlus 13R or Xiaomi 16 Ultra?+
OnePlus 13R is 23g lighter — 206g vs 229g.
Is OnePlus 13R waterproof?+
OnePlus 13R has an IP65 rating.
Does Xiaomi 16 Ultra support 5G?+
Yes, Xiaomi 16 Ultra supports 5G.
Which has more RAM, OnePlus 13R or Xiaomi 16 Ultra?+
Xiaomi 16 Ultra offers 16GB of RAM.
Which has a better camera, OnePlus 13R or Xiaomi 16 Ultra?+
Xiaomi 16 Ultra has a 50 MP main camera vs 50 MP.
Spec-level deep dives
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