Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | ASUS - Zenfone 11 Ultra | OnePlus 13R |
|---|---|---|
| Front camera | 32 MP | 16 MP |
| RAM | 16 GB | 12 GB |
| Wired charging | 65 W | 80 W |
| Refresh rate | 144 Hz | 120 Hz |
| Weight | 224 g | 206 g |
| Pixel density | 388 ppi | 450 ppi |
Between the Zenfone 11 Ultra and OnePlus 13R, the Zenfone 11 Ultra comes out ahead in front camera / ram, while the OnePlus 13R wins on wired charging / weight. Overall, the Zenfone 11 Ultra scores 69.2 and the OnePlus 13R scores 70.3 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (69.2 vs 70.3). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the Zenfone 11 Ultra if you photograph or shoot video regularly and want the better imaging pipeline of the two. The biggest gaps in its favor are front camera, ram, refresh rate, among others. The single most decisive one: Front camera — 100.00% more. 32 MP vs 16 MP.
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. Its strongest claims are wired charging, weight, pixel density, among others. The single most decisive one: Wired charging — 23.08% more. 80 W vs 65 W.
Both ship with comparable main camera, screen size, 5g support, so those specs do not 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 says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: ASUS - Zenfone 11 Ultra or OnePlus 13R?
OnePlus 13R leads the current Mars Score by 1.1 points.The more useful decision is the trade-off behind that result: compare ram, pixel density, battery capacity against the way you will actually use the product.
Choose ASUS - Zenfone 11 Ultra if…
ASUS - Zenfone 11 Ultra has the measurable edge on front cam mp, ram gb, refresh rate hz.
Choose OnePlus 13R if…
OnePlus 13R has the measurable edge on wired charging w, weight g, pixel density ppi.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why ASUS - Zenfone 11 Ultra wins
- ▲Front camera — 100.00% more. 32 MP vs 16 MP.
- ▲RAM — 33.33% more. 16 GB vs 12 GB.
- ▲Refresh rate — 20.00% more. 144 Hz vs 120 Hz.
- ▲Water resistance: IP68 (vs IP65).
- ▲Wireless charging: 15 W vs 0 W.
Why OnePlus 13R wins
- ▲Wired charging — 23.08% more. 80 W vs 65 W.
- ▲Weight — 18.00 g less. 206 vs 224.
- ▲Pixel density — 15.98% more. 450 ppi vs 388 ppi.
- ▲Battery capacity — 9.09% more. 6000 mAh vs 5500 mAh.
- ▲Promised OS updates: 4 (vs 2).
- ▲AnTuTu — 0.48% more. 2080000 vs 2070000.
Spec comparison
Design
| Spec | ASUS - Zenfone 11 Ultra | OnePlus 13R |
|---|---|---|
| Weight | 224 g | 206 glead |
| Thickness | 8.9 mm | 8.0 mmlead |
| Water resistanceⓘ | IP68lead | IP65 |
| Form factor | bar | bar |
Display
| Spec | ASUS - Zenfone 11 Ultra | OnePlus 13R |
|---|---|---|
| Screen size | 6.78 " | 6.78 " |
| Pixel densityⓘ | 388 ppi | 450 ppilead |
| Refresh rateⓘ | 144 Hzlead | 120 Hz |
| Peak brightnessⓘ | 2500 nits | 4500 nitslead |
Performance
| Spec | ASUS - Zenfone 11 Ultra | OnePlus 13R |
|---|---|---|
| RAMⓘ | 16 GBlead | 12 GB |
| Storageⓘ | 512 GBlead | 256 GB |
| AnTuTuⓘ | 2070000 | 2080000lead |
| CPU total clockⓘ | 21.4 GHz | 21.4 GHz |
Cameras
| Spec | ASUS - Zenfone 11 Ultra | OnePlus 13R |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 32 MPlead | 16 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | ASUS - Zenfone 11 Ultra | OnePlus 13R |
|---|---|---|
| Battery capacityⓘ | 5500 mAh | 6000 mAhlead |
| Wired chargingⓘ | 65 W | 80 Wlead |
| Wireless chargingⓘ | 15 Wlead | 0 W |
Connectivity
| Spec | ASUS - Zenfone 11 Ultra | OnePlus 13R |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | ASUS - Zenfone 11 Ultra | OnePlus 13R |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 2 years | 4 yearslead |
Frequently asked
Which has better battery, Zenfone 11 Ultra or OnePlus 13R?+
OnePlus 13R has 9.1% more battery — 5500 mAh vs 6000 mAh.
Which is lighter, Zenfone 11 Ultra or OnePlus 13R?+
OnePlus 13R is 18g lighter — 224g vs 206g.
Is Zenfone 11 Ultra waterproof?+
Zenfone 11 Ultra has an IP68 rating.
Does OnePlus 13R support 5G?+
Yes, OnePlus 13R supports 5G.
Which has more RAM, Zenfone 11 Ultra or OnePlus 13R?+
Zenfone 11 Ultra offers 16GB of RAM.
Which has a better camera, Zenfone 11 Ultra or OnePlus 13R?+
OnePlus 13R has a 50 MP main camera vs 50 MP.