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- Redmi K90 Ultra vs Vivo Y31 5G
Redmi K90 Ultra vs Vivo Y31 5G comparison
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| key specs | ||||
| Display | 6.83-inch | 6.68-inch | ||
| Front Camera | 20-megapixel | 8-megapixel | ||
| Rear Camera | 50-megapixel + 8-megapixel | 50-megapixel + 0.08-megapixel | ||
| RAM | 12GB | 4GB, 6GB | ||
| Storage | 256GB | 128GB | ||
| Battery Capacity | 8550mAh | 6,500mAh | ||
| OS | Android 16 | Android 15 | ||
| Resolution | 1280x2772 pixels | 1,608x720 pixels | ||
| Processor | - | Qualcomm Snapdragon 4 Gen 2 | ||
| general | ||||
| Brand | Xiaomi | Vivo | ||
| Model | Redmi K90 Ultra | Y31 5G | ||
| Release date | June 30, 2026 | September 15, 2025 | ||
| Launched in India | No | Yes | ||
| Dimensions (mm) | 162.91 x 77.93 x 8.18 | 166.14 x 77.01 x 8.39 | ||
| Weight (g) | 227.00 | 209.00 | ||
| Battery capacity (mAh) | 8550 | 6,500 | ||
| Fast charging | 100W Fast Charging | 44W Flash Charge | ||
| Colours | Space Silver, Shadow Black and Sky Blue | Rose Red and Diamond Green | ||
| Form factor | - | Touchscreen | ||
| Body type | - | Plastic | ||
| IP rating | - | IP68 | ||
| Removable battery | - | No | ||
| Wireless charging | - | No | ||
| display | ||||
| Refresh Rate | 165 Hz | 120 Hz | ||
| Resolution Standard | 1.5K | - | ||
| Screen size (inches) | 6.83 | 6.68 | ||
| Resolution | 1280x2772 pixels | 1,608x720 pixels | ||
| Touchscreen | - | Yes | ||
| Pixels per inch (PPI) | - | 264 | ||
| hardware | ||||
| Processor make | Snapdragon 8 Elite | Qualcomm Snapdragon 4 Gen 2 | ||
| RAM | 12GB | 4GB, 6GB | ||
| Internal storage | 256GB | 128GB | ||
| Processor | - | 2.2GHz MHz octa-core | ||
| Expandable storage | - | Yes | ||
| Expandable storage type | - | microSD | ||
| Expandable storage up to (GB) | - | 2TB | ||
| camera | ||||
| Rear camera | 50-megapixel + 8-megapixel | 50-megapixel (f/f/1.8) + 0.08-megapixel (f/f/3.0) | ||
| No. of Rear Cameras | 2 | 2 | ||
| Front camera | 20-megapixel | 8-megapixel (f/f/2.0) | ||
| No. of Front Cameras | 1 | 1 | ||
| Rear flash | - | Yes | ||
| Pop-Up Camera | - | No | ||
| software | ||||
| Operating system | Android 16 | Android 15 | ||
| Skin | HyperOS 3 | Funtouch OS 15 | ||
| connectivity | ||||
| Wi-Fi 7 | Yes | - | ||
| GPS | Yes | Yes | ||
| Bluetooth | Yes | Yes, v 4.20 | ||
| NFC | Yes | No | ||
| USB Type-C | Yes | Yes | ||
| Wi-Fi | - | Yes | ||
| Number of SIMs | - | 2 | ||
| sensors | ||||
| Fingerprint sensor | Yes | Yes | ||
| Compass/ Magnetometer | Yes | Yes | ||
| Proximity sensor | Yes | Yes | ||
| Accelerometer | Yes | Yes | ||
| Ambient light sensor | Yes | Yes | ||
| Gyroscope | Yes | No | ||
| Barometer | - | No | ||
| Temperature sensor | - | No | ||
| sim 1 | ||||
| SIM Type | - | Nano-SIM | ||
| GSM/CDMA | - | GSM | ||
| 4G/ LTE | - | Yes | ||
| 5G | - | Yes | ||
| sim 2 | ||||
| SIM Type | - | Nano-SIM | ||
| GSM/CDMA | - | GSM | ||
| 4G/ LTE | - | Yes | ||
| 5G | - | Yes | ||
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