Oppo Find X9 vs Redmi K90 Ultra
Which one should you buy?
Who leads where?
- DisplayRedmi K90 Ultra
- PerformanceOppo Find X9
- CameraOppo Find X9
- Battery and ChargingRedmi K90 Ultra
- DesignOppo Find X9
Wins are counted from the official values in the table below; the BUY / CONSIDER / WAIT call comes from each product's own decision box. We do not predict prices.
The differences in short
Processor: Oppo Find X9 Dimensity 9500, Redmi K90 Ultra Snapdragon 8 Elite. Screen Size: Oppo Find X9 6.59", Redmi K90 Ultra 6.83". Main Camera is the same on both: 50 MP. Redmi K90 Ultra leads on Battery: 8550 mAh against 7025 mAh. Redmi K90 Ultra leads on Fast Charging: 100 W against 80 W.
Which one for what you do?
Gaming
Redmi K90 Ultra
85% – 69%
Photo / Video
Oppo Find X9
82% – 61%
Battery Life
Redmi K90 Ultra
85% – 67%
Daily Use
Redmi K90 Ultra
77% – 59%
The percentages are Kacbu Match scores: computed from official specifications for that use, with no price in them.
 OppoOppo Find X9No reviews yet |  RedmiRedmi K90 UltraNo reviews yet | |
|---|---|---|
| Key Differences | ||
| Processor | Dimensity 9500 | Snapdragon 8 Elite |
| Screen Size | 6.59" | 6.83" |
| Main Camera | 50 MP | 50 MP |
| Battery | 7025 mAh | 8550 mAh |
| Fast Charging | 80 W | 100 W |
| Display | ||
| Size | 6.59" | 6.83" |
| Panel | AMOLED | AMOLED |
| Resolution | 2760x1256 | 1280x2772 |
| Refresh Rate | 120 Hz | 165 Hz |
| Peak Brightness | 1800 nit | 3500 nit |
| Performance | ||
| Chipset | Dimensity 9500 | Snapdragon 8 Elite |
| Graphics Processor | Mali G1-Ultra | Adreno 830 |
| RAM | 12 GB | 12 GB |
| Storage | 512 GB | 256 GB |
| Storage type | UFS 4.1 | UFS 4.1 |
| Manufacturing Technology | 3 nm | 3 nm |
| Camera | ||
| Main Camera | 50 MP | 50 MP |
| Main Aperture | f/1.6 | f/1.7 |
| Ultra Wide | 50 MP | 8 MP |
| Telephoto | 3x periscope | No data |
| Telephoto Resolution | 50 MP | No data |
| Front Camera | 50 MP | 20 MP |
| Battery and Charging | ||
| Capacity | 7025 mAh | 8550 mAh |
| Cell Type | Silicon-carbon | Silicon-carbon |
| Wired Charging | 80 W | 100 W |
| Wireless Charging | 50 W | No data |
| Wireless Charging Support | Yes | No data |
| Design | ||
| Weight | 203 g | 227 g |
| Thickness | 7.99 mm | 8.2 mm |
| Frame | Aluminum | Aluminum |
| Back Surface | Glass | Glass |
| Connectivity | ||
| 5G | Yes | Yes |
| SIM | Dual SIM | Dual SIM |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 6.0 | 5.4 |
| NFC | Yes | No data |
| Durability and security | ||
| IP Certification | IP68/IP69 | IP68/IP69 |
| Biometrics | In-Screen Fingerprint | Optical In-Display Fingerprint |
| Software | ||
| Operating System | Android | Android |
| Version | Android 16 | Android 16 |
| Interface | ColorOS 16 | HyperOS 3 |
| Multimedia and ports | ||
| Speaker | Stereo | Stereo (Bose-tuned) |
| USB | USB Type-C | USB Type-C |
Oppo Find X9 leads on 6 of 10 compared specs.
This table is based on manufacturers official specifications. Winning on paper does not always mean a difference in everyday use.