Between the Zenfone 11 Ultra and OnePlus 13, the Zenfone 11 Ultra comes out ahead in refresh rate, while the OnePlus 13 wins on wireless charging and wired charging. Overall, the Zenfone 11 Ultra scores 71.9 and the OnePlus 13 scores 73.8 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (71.9 vs 73.8). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
Pick the Zenfone 11 Ultra 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 refresh rate.
Pick the OnePlus 13 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 wireless charging, wired charging, pixel density, among others.
Both ship with comparable ram, main camera, 5g support, 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 ASUS - Zenfone 11 Ultra wins
- ▲Refresh rate — 20.00% more. 144 Hz vs 120 Hz.
Why OnePlus 13 wins
- ▲Wireless charging — 233.33% more. 50 W vs 15 W.
- ▲Wired charging — 53.85% more. 100 W vs 65 W.
- ▲Pixel density — 31.44% more. 510 ppi vs 388 ppi.
- ▲AnTuTu — 27.54% more. 2640000 vs 2070000.
- ▲Weight — 14.00 g less. 210 vs 224.
- ▲Battery capacity — 9.09% more. 6000 mAh vs 5500 mAh.
- ▲Screen size — 0.59% more. 6.82 " vs 6.78 ".
- ▲Water resistance: IP69 (vs IP68).
Spec comparison
Design
| Spec | ASUS - Zenfone 11 Ultra | OnePlus 13 |
|---|---|---|
| Weight | 224 g | 210 glead |
| Thickness | 8.9 mm | 8.5 mmlead |
| Water resistanceⓘ | IP68 | IP69lead |
| Form factor | bar | bar |
Display
| Spec | ASUS - Zenfone 11 Ultra | OnePlus 13 |
|---|---|---|
| Screen sizeⓘ | 6.78 " | 6.82 "lead |
| Pixel densityⓘ | 388 ppi | 510 ppilead |
| Refresh rateⓘ | 144 Hzlead | 120 Hz |
| Peak brightnessⓘ | 2500 nits | 4500 nitslead |
Performance
Cameras
| Spec | ASUS - Zenfone 11 Ultra | OnePlus 13 |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 32 MP | 32 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | ASUS - Zenfone 11 Ultra | OnePlus 13 |
|---|---|---|
| Battery capacity | 5500 mAh | 6000 mAhlead |
| Wired chargingⓘ | 65 W | 100 Wlead |
| Wireless chargingⓘ | 15 W | 50 Wlead |
Connectivity
| Spec | ASUS - Zenfone 11 Ultra | OnePlus 13 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | false |
| microSD slot | false | false |
Operating System
| Spec | ASUS - Zenfone 11 Ultra | OnePlus 13 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 2 years | 4 yearslead |
Frequently asked
Which has better battery, Zenfone 11 Ultra or OnePlus 13?+
OnePlus 13 has 9.1% more battery — 5500 mAh vs 6000 mAh.
Which is lighter, Zenfone 11 Ultra or OnePlus 13?+
OnePlus 13 is 14g lighter — 224g vs 210g.
Is Zenfone 11 Ultra waterproof?+
Zenfone 11 Ultra has an IP68 rating.
Does OnePlus 13 support 5G?+
Yes, OnePlus 13 supports 5G.
Which has a better camera, Zenfone 11 Ultra or OnePlus 13?+
OnePlus 13 has a 50 MP main camera vs 50 MP.
Spec-level deep dives
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