Between the ROG Phone 9 and X Fold 3 Pro, the ROG Phone 9 comes out ahead in refresh rate and antutu, while the X Fold 3 Pro wins on wireless charging and wired charging. Overall, the ROG Phone 9 scores 75.1 and the X Fold 3 Pro scores 73.1 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (75.1 vs 73.1). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
Pick the ROG Phone 9 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, antutu, weight, among others.
Pick the X Fold 3 Pro 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, screen size, 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 - ROG Phone 9 wins
- ▲Refresh rate — 54.17% more. 185 Hz vs 120 Hz.
- ▲AnTuTu — 24.64% more. 2580000 vs 2070000.
- ▲Weight — 9.00 g less. 227 vs 236.
- ▲Battery capacity — 1.75% more. 5800 mAh vs 5700 mAh.
- ▲Has Headphone jack.
Why Vivo - X Fold 3 Pro wins
- ▲Wireless charging — 233.33% more. 50 W vs 15 W.
- ▲Wired charging — 53.85% more. 100 W vs 65 W.
- ▲Screen size — 18.44% more. 8.03 " vs 6.78 ".
- ▲Pixel density — 3.61% more. 402 ppi vs 388 ppi.
- ▲Water resistance: IPX8 (vs IP68).
- ▲Promised OS updates: 4 (vs 3).
Spec comparison
Design
| Spec | ASUS - ROG Phone 9 | Vivo - X Fold 3 Pro |
|---|---|---|
| Weight | 227 glead | 236 g |
| Thickness | 8.9 mmlead | 11.2 mm |
| Water resistanceⓘ | IP68 | IPX8lead |
| Form factor | bar | foldable_booklead |
Display
| Spec | ASUS - ROG Phone 9 | Vivo - X Fold 3 Pro |
|---|---|---|
| Screen sizeⓘ | 6.78 " | 8.03 "lead |
| Pixel densityⓘ | 388 ppi | 402 ppilead |
| Refresh rateⓘ | 185 Hzlead | 120 Hz |
| Peak brightnessⓘ | 2500 nits | 4500 nitslead |
Performance
Cameras
| Spec | ASUS - ROG Phone 9 | Vivo - X Fold 3 Pro |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 32 MP | 32 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | ASUS - ROG Phone 9 | Vivo - X Fold 3 Pro |
|---|---|---|
| Battery capacity | 5800 mAhlead | 5700 mAh |
| Wired chargingⓘ | 65 W | 100 Wlead |
| Wireless chargingⓘ | 15 W | 50 Wlead |
Connectivity
| Spec | ASUS - ROG Phone 9 | Vivo - X Fold 3 Pro |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | truelead | false |
| microSD slot | false | false |
Operating System
| Spec | ASUS - ROG Phone 9 | Vivo - X Fold 3 Pro |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 3 years | 4 yearslead |
Frequently asked
Which has better battery, ROG Phone 9 or X Fold 3 Pro?+
ROG Phone 9 has 1.8% more battery — 5800 mAh vs 5700 mAh.
Which is lighter, ROG Phone 9 or X Fold 3 Pro?+
ROG Phone 9 is 9g lighter — 227g vs 236g.
Is ROG Phone 9 waterproof?+
ROG Phone 9 has an IP68 rating.
Does X Fold 3 Pro support 5G?+
Yes, X Fold 3 Pro supports 5G.
Which has a better camera, ROG Phone 9 or X Fold 3 Pro?+
X Fold 3 Pro has a 50 MP main camera vs 50 MP.
Spec-level deep dives
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