| Key Differences | ||
|---|---|---|
| Processor | Snapdragon 7s Gen 4 | Snapdragon 8 Elite |
| Screen Size | 6.78" | 6.83" |
| Main Camera | 50 MP | 50 MP |
| Battery | 6000 mAh | 8550 mAh |
| Fast Charging | 90 W | 100 W |
| Display | ||
| Size | 6.78" | 6.83" |
| Panel | AMOLED | AMOLED |
| Resolution | 1208x2644 | 1280x2772 |
| Refresh Rate | 144 Hz | 165 Hz |
| Peak Brightness | 4500 nit | 3500 nit |
| Performance | ||
| Chipset | Snapdragon 7s Gen 4 | Snapdragon 8 Elite |
| Graphics Processor | Adreno 810 | Adreno 830 |
| RAM | 8 GB | 12 GB |
| Storage | 128 GB | 256 GB |
| Storage type | UFS 2.2 | UFS 4.1 |
| Manufacturing Technology | 4 nm | 3 nm |
| Camera | ||
| Main Camera | 50 MP | 50 MP |
| Main Aperture | f/1.6 | f/1.7 |
| Ultra Wide | 8 MP | 8 MP |
| Front Camera | 13 MP | 20 MP |
| Battery and Charging | ||
| Capacity | 6000 mAh | 8550 mAh |
| Cell Type | — | Silicon-carbon |
| Wired Charging | 90 W | 100 W |
| Wireless Charging | 30 W | — |
| Wireless Charging Support | Yes | — |
| Design | ||
| Weight | 201.7 g | 227 g |
| Thickness | 7.4 mm | 8.2 mm |
| Frame | Aluminum | Aluminum |
| Back Surface | Glass | Glass |
| Connectivity | ||
| 5G | Yes | Yes |
| SIM | Dual SIM | Dual SIM |
| Wi-Fi | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| Durability and security | ||
| IP Certification | IP64 | IP68/IP69 |
| Biyometrik | Optical In-Display Fingerprint | Optical In-Display Fingerprint |
| Software | ||
| Operating System | Android | Android |
| Version | Android 16 | Android 16 |
| Interface | XOS 16 | HyperOS 3 |
| Multimedia and ports | ||
| Speaker | Stereo (JBL-tuned) | Stereo (Bose-tuned) |
| Headphone jack | No | — |
| USB | USB Type-C 2.0 | USB Type-C |
Redmi K90 Ultra leads on 7 of 12 compared specs.
This table is based on manufacturers official specifications. Winning on paper does not always mean a difference in everyday use.