Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | OnePlus 13 | ASUS - ROG Phone 9 |
|---|---|---|
| Wireless charging | 50 W | 15 W |
| Refresh rate | 120 Hz | 185 Hz |
| Wired charging | 100 W | 65 W |
| Pixel density | 510 ppi | 388 ppi |
| Weight | 210 g | 227 g |
| Battery capacity | 6000 mAh | 5800 mAh |
Between the OnePlus 13 and ROG Phone 9, the OnePlus 13 comes out ahead in wireless charging / wired charging, while the ROG Phone 9 wins on refresh rate / headphone jack. Overall, the OnePlus 13 scores 72.3 and the ROG Phone 9 scores 72.4 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (72.3 vs 72.4). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
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. The biggest gaps in its favor are wireless charging, wired charging, pixel density, among others. The single most decisive one: Wireless charging — 233.33% more. 50 W vs 15 W.
Pick the ROG Phone 9 if you care most about refresh rate / headphone jack. Its strongest claims are refresh rate, headphone jack. The single most decisive one: Refresh rate — 54.17% more. 185 Hz vs 120 Hz.
Both ship with comparable ram, main camera, 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: OnePlus 13 or ASUS - ROG Phone 9?
ASUS - ROG Phone 9 leads the current Mars Score by 0.1 points.The more useful decision is the trade-off behind that result: compare screen size, pixel density, battery capacity against the way you will actually use the product.
Choose OnePlus 13 if…
OnePlus 13 has the measurable edge on wireless charging w, wired charging w, pixel density ppi.
Choose ASUS - ROG Phone 9 if…
ASUS - ROG Phone 9 has the measurable edge on refresh rate hz, has headphone jack.
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 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.
- ▲Weight — 17.00 g less. 210 vs 227.
- ▲Battery capacity — 3.45% more. 6000 mAh vs 5800 mAh.
- ▲AnTuTu — 2.33% more. 2640000 vs 2580000.
- ▲Screen size — 0.59% more. 6.82 " vs 6.78 ".
- ▲Water resistance: IP69 (vs IP68).
Why ASUS - ROG Phone 9 wins
- ▲Refresh rate — 54.17% more. 185 Hz vs 120 Hz.
- ▲Has Headphone jack.
Spec comparison
Design
| Spec | OnePlus 13 | ASUS - ROG Phone 9 |
|---|---|---|
| Weight | 210 glead | 227 g |
| Thickness | 8.5 mmlead | 8.9 mm |
| Water resistanceⓘ | IP69lead | IP68 |
| Form factor | bar | bar |
Display
| Spec | OnePlus 13 | ASUS - ROG Phone 9 |
|---|---|---|
| Screen size | 6.82 "lead | 6.78 " |
| Pixel densityⓘ | 510 ppilead | 388 ppi |
| Refresh rateⓘ | 120 Hz | 185 Hzlead |
| Peak brightnessⓘ | 4500 nitslead | 2500 nits |
Performance
| Spec | OnePlus 13 | ASUS - ROG Phone 9 |
|---|---|---|
| RAMⓘ | 16 GB | 16 GB |
| Storageⓘ | 512 GB | 512 GB |
| AnTuTuⓘ | 2640000lead | 2580000 |
| CPU total clockⓘ | 22.8 GHzlead | 22.0 GHz |
Cameras
| Spec | OnePlus 13 | ASUS - ROG Phone 9 |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 32 MP | 32 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | OnePlus 13 | ASUS - ROG Phone 9 |
|---|---|---|
| Battery capacityⓘ | 6000 mAhlead | 5800 mAh |
| Wired chargingⓘ | 100 Wlead | 65 W |
| Wireless chargingⓘ | 50 Wlead | 15 W |
Connectivity
| Spec | OnePlus 13 | ASUS - ROG Phone 9 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | truelead |
| microSD slot | false | false |
Operating System
| Spec | OnePlus 13 | ASUS - ROG Phone 9 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 4 yearslead | 3 years |
Frequently asked
Which has better battery, OnePlus 13 or ROG Phone 9?+
OnePlus 13 has 3.4% more battery — 6000 mAh vs 5800 mAh.
Which is lighter, OnePlus 13 or ROG Phone 9?+
OnePlus 13 is 17g lighter — 210g vs 227g.
Is OnePlus 13 waterproof?+
OnePlus 13 has an IP69 rating.
Does ROG Phone 9 support 5G?+
Yes, ROG Phone 9 supports 5G.
Which has a better camera, OnePlus 13 or ROG Phone 9?+
ROG Phone 9 has a 50 MP main camera vs 50 MP.