Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Oppo - Find X8 Pro | ASUS - ROG Phone 9 |
|---|---|---|
| Wireless charging | 50 W | 15 W |
| Refresh rate | 120 Hz | 185 Hz |
| Wired charging | 80 W | 65 W |
| Pixel density | 452 ppi | 388 ppi |
| Weight | 215 g | 227 g |
| AnTuTu | 2680000 | 2580000 |
Between the Find X8 Pro and ROG Phone 9, the Find X8 Pro comes out ahead in wireless charging / wired charging, while the ROG Phone 9 wins on refresh rate / headphone jack. Overall, the Find X8 Pro 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 Find X8 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 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, screen size, 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: Oppo - Find X8 Pro 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 pixel density, battery capacity against the way you will actually use the product.
Choose Oppo - Find X8 Pro if…
Oppo - Find X8 Pro 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 Oppo - Find X8 Pro wins
- ▲Wireless charging — 233.33% more. 50 W vs 15 W.
- ▲Wired charging — 23.08% more. 80 W vs 65 W.
- ▲Pixel density — 16.49% more. 452 ppi vs 388 ppi.
- ▲Weight — 12.00 g less. 215 vs 227.
- ▲AnTuTu — 3.88% more. 2680000 vs 2580000.
- ▲Battery capacity — 1.90% more. 5910 mAh vs 5800 mAh.
- ▲Water resistance: IP69 (vs IP68).
- ▲Promised OS updates: 5 (vs 3).
Why ASUS - ROG Phone 9 wins
- ▲Refresh rate — 54.17% more. 185 Hz vs 120 Hz.
- ▲Has Headphone jack.
Spec comparison
Design
| Spec | Oppo - Find X8 Pro | ASUS - ROG Phone 9 |
|---|---|---|
| Weight | 215 glead | 227 g |
| Thickness | 8.2 mmlead | 8.9 mm |
| Water resistanceⓘ | IP69lead | IP68 |
| Form factor | bar | bar |
Display
| Spec | Oppo - Find X8 Pro | ASUS - ROG Phone 9 |
|---|---|---|
| Screen size | 6.78 " | 6.78 " |
| Pixel densityⓘ | 452 ppilead | 388 ppi |
| Refresh rateⓘ | 120 Hz | 185 Hzlead |
| Peak brightnessⓘ | 4500 nitslead | 2500 nits |
Performance
| Spec | Oppo - Find X8 Pro | ASUS - ROG Phone 9 |
|---|---|---|
| RAMⓘ | 16 GB | 16 GB |
| Storageⓘ | 512 GB | 512 GB |
| AnTuTuⓘ | 2680000lead | 2580000 |
| CPU total clockⓘ | 23.0 GHzlead | 22.0 GHz |
Cameras
| Spec | Oppo - Find X8 Pro | ASUS - ROG Phone 9 |
|---|---|---|
| Main cameraⓘ | 50 MP | 50 MP |
| Front camera | 32 MP | 32 MP |
| Optical image stabilizationⓘ | true | true |
Battery
| Spec | Oppo - Find X8 Pro | ASUS - ROG Phone 9 |
|---|---|---|
| Battery capacityⓘ | 5910 mAhlead | 5800 mAh |
| Wired chargingⓘ | 80 Wlead | 65 W |
| Wireless chargingⓘ | 50 Wlead | 15 W |
Connectivity
| Spec | Oppo - Find X8 Pro | ASUS - ROG Phone 9 |
|---|---|---|
| 5G supportⓘ | true | true |
| Headphone jack | false | truelead |
| microSD slot | false | false |
Operating System
| Spec | Oppo - Find X8 Pro | ASUS - ROG Phone 9 |
|---|---|---|
| OS | Android | Android |
| Promised OS updates | 5 yearslead | 3 years |
Frequently asked
Which has better battery, Find X8 Pro or ROG Phone 9?+
Find X8 Pro has 1.9% more battery — 5910 mAh vs 5800 mAh.
Which is lighter, Find X8 Pro or ROG Phone 9?+
Find X8 Pro is 12g lighter — 215g vs 227g.
Is Find X8 Pro waterproof?+
Find X8 Pro has an IP69 rating.
Does ROG Phone 9 support 5G?+
Yes, ROG Phone 9 supports 5G.
Which has a better camera, Find X8 Pro or ROG Phone 9?+
ROG Phone 9 has a 50 MP main camera vs 50 MP.