Oppo Find X8 vs Redmi K90 Ultra
Which one should you buy?
Who leads where?
- CameraOppo Find X8
- Battery and ChargingRedmi K90 Ultra
- DesignOppo Find X8
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.
 OppoOppo Find X8No reviews yet |  RedmiRedmi K90 UltraNo reviews yet | |
|---|---|---|
| Key Differences | ||
| Processor | Dimensity 9400 | Snapdragon 8 Elite |
| Screen Size | 6.59" | 6.83" |
| Main Camera | 50 MP | 50 MP |
| Battery | 5490 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 | 4500 nit | 3500 nit |
| Performance | ||
| Chipset | Dimensity 9400 | Snapdragon 8 Elite |
| Graphics Processor | Immortalis G925 MC12 | Adreno 830 |
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 256 GB |
| Storage type | LPDDR5X + UFS 4.0 | UFS 4.1 |
| Manufacturing Technology | No data | 3 nm |
| Camera | ||
| Main Camera | 50 MP | 50 MP |
| Main Aperture | f/1.8 | f/1.7 |
| Ultra Wide | 50 MP | 8 MP |
| Telephoto Resolution | 50 MP | No data |
| Front Camera | 32 MP | 20 MP |
| Battery and Charging | ||
| Capacity | 5490 mAh | 8550 mAh |
| Cell Type | No data | Silicon-carbon |
| Wired Charging | 80 W | 100 W |
| Wireless Charging Support | Yes | No data |
| Design | ||
| Weight | 193 g | 227 g |
| Thickness | 7.85 mm | 8.2 mm |
| Frame | No data | Aluminum |
| Back Surface | No data | Glass |
| Connectivity | ||
| 5G | Yes | Yes |
| SIM | Dual Nano-SIM | Dual SIM |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | No data |
| Durability and security | ||
| IP Certification | No data | IP68/IP69 |
| Biyometrik | No data | Optical In-Display Fingerprint |
| Software | ||
| Operating System | No data | Android |
| Version | No data | Android 16 |
| Interface | No data | HyperOS 3 |
| Multimedia and ports | ||
| Speaker | No data | Stereo (Bose-tuned) |
| Headphone jack | No | No data |
| USB | Type-C | USB Type-C |
Oppo Find X8 leads on 5 of 9 compared specs.
This table is based on manufacturers official specifications. Winning on paper does not always mean a difference in everyday use.