Between the Galaxy Z Flip 7 and ROG Phone 9, the Galaxy Z Flip 7 comes out ahead in weight and pixel density, while the ROG Phone 9 wins on front camera and wired charging. Overall, the Galaxy Z Flip 7 scores 65.3 and the ROG Phone 9 scores 75.1 on our Mars Score.
Which should you buy?
The ROG Phone 9 is the clear pick on raw spec strength, leading by 9.8 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Galaxy Z Flip 7 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 weight, pixel density, promised os updates.
Pick the ROG Phone 9 if you photograph or shoot video regularly and want the better imaging pipeline of the two. Its strongest claims are front camera, wired charging, refresh rate, among others.
Both ship with comparable main camera, 5g support, optical image stabilization, so those specs don't separate the two — focus on the differences below.
Bottom line: the ROG Phone 9 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Samsung - Galaxy Z Flip 7 wins
- ▲Weight — 40.00 g less. 187 vs 227.
- ▲Pixel density — 9.54% more. 425 ppi vs 388 ppi.
- ▲Promised OS updates: 7 (vs 3).
Why ASUS - ROG Phone 9 wins
- ▲Front camera — 220.00% more. 32 MP vs 10 MP.
- ▲Wired charging — 160.00% more. 65 W vs 25 W.
- ▲Refresh rate — 54.17% more. 185 Hz vs 120 Hz.
- ▲Battery capacity — 45.00% more. 5800 mAh vs 4000 mAh.
- ▲RAM — 33.33% more. 16 GB vs 12 GB.
- ▲AnTuTu — 27.72% more. 2580000 vs 2020000.
- ▲Screen size — 1.19% more. 6.78 " vs 6.7 ".
- ▲Has Headphone jack.
Spec comparison
Design
| Spec | Samsung - Galaxy Z Flip 7 | ASUS - ROG Phone 9 |
|---|---|---|
| Weight | 187 glead | 227 g |
| Thickness | 13.7 mm | 8.9 mmlead |
| Water resistanceⓘ | IP48 | IP68lead |
| Form factor | foldable_clamshelllead | bar |
Display
| Spec | Samsung - Galaxy Z Flip 7 | ASUS - ROG Phone 9 |
|---|---|---|
| Screen sizeⓘ | 6.7 " | 6.78 "lead |
| Pixel densityⓘ | 425 ppilead | 388 ppi |
| Refresh rateⓘ | 120 Hz | 185 Hzlead |
| Peak brightnessⓘ | 2600 nitslead | 2500 nits |
Performance
Cameras
| Spec | Samsung - Galaxy Z Flip 7 | ASUS - ROG Phone 9 |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 10 MP | 32 MPlead |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Samsung - Galaxy Z Flip 7 | ASUS - ROG Phone 9 |
|---|---|---|
| Battery capacity | 4000 mAh | 5800 mAhlead |
| Wired chargingⓘ | 25 W | 65 Wlead |
| Wireless chargingⓘ | 15 W | 15 W |
Connectivity
| Spec | Samsung - Galaxy Z Flip 7 | ASUS - ROG Phone 9 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | truelead |
| microSD slot | false | false |
Operating System
| Spec | Samsung - Galaxy Z Flip 7 | ASUS - ROG Phone 9 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 7 yearslead | 3 years |
Frequently asked
Which has better battery, Galaxy Z Flip 7 or ROG Phone 9?+
ROG Phone 9 has 45.0% more battery — 4000 mAh vs 5800 mAh.
Which is lighter, Galaxy Z Flip 7 or ROG Phone 9?+
Galaxy Z Flip 7 is 40g lighter — 187g vs 227g.
Is Galaxy Z Flip 7 waterproof?+
Galaxy Z Flip 7 has an IP48 rating.
Does ROG Phone 9 support 5G?+
Yes, ROG Phone 9 supports 5G.
Which has more RAM, Galaxy Z Flip 7 or ROG Phone 9?+
ROG Phone 9 offers 16GB of RAM.
Which has a better camera, Galaxy Z Flip 7 or ROG Phone 9?+
ROG Phone 9 has a 50 MP main camera vs 50 MP.
Spec-level deep dives
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