Between the ROG Phone 9 Pro and X Fold 3 Pro, the ROG Phone 9 Pro comes out ahead in refresh rate / ram, while the X Fold 3 Pro wins on wireless charging / wired charging. Overall, the ROG Phone 9 Pro scores 77.7 and the X Fold 3 Pro scores 73.1 on our Mars Score.
Which should you buy?
The ROG Phone 9 Pro edges ahead on the Mars Score (77.7 vs 73.1), but the 4.6-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the ROG Phone 9 Pro 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, ram, antutu, 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 main camera, 5g support, front camera, 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.
Why ASUS - ROG Phone 9 Pro wins
- ▲Refresh rate — 54.17% more. 185 Hz vs 120 Hz.
- ▲RAM — 50.00% more. 24 GB vs 16 GB.
- ▲AnTuTu — 29.47% more. 2680000 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 Pro | 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 Pro | 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 Pro | 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 Pro | 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 Pro | Vivo - X Fold 3 Pro |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | truelead | false |
| microSD slot | false | false |
Operating System
| Spec | ASUS - ROG Phone 9 Pro | Vivo - X Fold 3 Pro |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 3 years | 4 yearslead |
Frequently asked
Which has better battery, ROG Phone 9 Pro or X Fold 3 Pro?+
ROG Phone 9 Pro has 1.8% more battery — 5800 mAh vs 5700 mAh.
Which is lighter, ROG Phone 9 Pro or X Fold 3 Pro?+
ROG Phone 9 Pro is 9g lighter — 227g vs 236g.
Is ROG Phone 9 Pro waterproof?+
ROG Phone 9 Pro has an IP68 rating.
Does X Fold 3 Pro support 5G?+
Yes, X Fold 3 Pro supports 5G.
Which has more RAM, ROG Phone 9 Pro or X Fold 3 Pro?+
ROG Phone 9 Pro offers 24GB of RAM.
Which has a better camera, ROG Phone 9 Pro 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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