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| ratings | ||||
| Overall NDTV Rating | Read Review | Read Review | ||
| Design Rating | ||||
| Display Rating | ||||
| Software Rating | ||||
| Performance Rating | ||||
| Battery Life Rating | ||||
| Camera Rating | ||||
| Value for Money Rating | ||||
| key specs | ||||
| Display | 6.53-inch | 5.00-inch | ||
| Processor | Qualcomm Snapdragon 662 | Qualcomm Snapdragon 435 | ||
| Front Camera | 8-megapixel | 5-megapixel | ||
| Rear Camera | 48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel | 13-megapixel | ||
| RAM | 4GB | 3GB | ||
| Storage | 64GB | 32GB | ||
| Battery Capacity | 6000mAh | 4100mAh | ||
| OS | Android 10 | Android 6.0.1 | ||
| Resolution | 1080x2340 pixels | 720x1280 pixels | ||
| general | ||||
| Brand | Xiaomi | Xiaomi | ||
| Model | Redmi 9 Power | Redmi 4 | ||
| Release date | December 17, 2020 | November 1, 2016 | ||
| Launched in India | Yes | Yes | ||
| Form factor | Touchscreen | Touchscreen | ||
| Dimensions (mm) | 162.30 x 77.30 x 9.60 | 139.30 x 69.90 x 8.65 | ||
| Weight (g) | 198.00 | 150.00 | ||
| Battery capacity (mAh) | 6000 | 4100 | ||
| Fast charging | Proprietary | - | ||
| Colours | Blazing Blue, Electric Green, Fiery Red, Mighty Black | Gold, Black | ||
| Removable battery | - | No | ||
| display | ||||
| Screen size (inches) | 6.53 | 5.00 | ||
| Touchscreen | Yes | Yes | ||
| Resolution | 1080x2340 pixels | 720x1280 pixels | ||
| Protection type | Gorilla Glass | Gorilla Glass | ||
| Aspect ratio | 19.5:9 | 16:9 | ||
| Pixels per inch (PPI) | - | 296 | ||
| hardware | ||||
| Processor | octa-core | 1.4GHz octa-core | ||
| Processor make | Qualcomm Snapdragon 662 | Qualcomm Snapdragon 435 | ||
| RAM | 4GB | 3GB | ||
| Internal storage | 64GB | 32GB | ||
| Expandable storage | Yes | Yes | ||
| Expandable storage type | microSD | microSD | ||
| Expandable storage up to (GB) | 512 | 128 | ||
| Dedicated microSD slot | Yes | - | ||
| camera | ||||
| Rear camera | 48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel | 13-megapixel | ||
| Rear autofocus | Yes | - | ||
| Rear flash | Yes | LED | ||
| Front camera | 8-megapixel | 5-megapixel | ||
| software | ||||
| Operating system | Android 10 | Android 6.0.1 | ||
| Skin | MIUI 12 | MIUI 8 | ||
| connectivity | ||||
| Wi-Fi | Yes | Yes | ||
| Wi-Fi standards supported | 802.11 a/b/g/n/ac | 802.11 b/g/n | ||
| GPS | Yes | Yes | ||
| Bluetooth | Yes, v 5.00 | Yes, v 4.10 | ||
| Infrared | Yes | Yes | ||
| USB Type-C | Yes | - | ||
| Headphones | 3.5mm | 3.5mm | ||
| FM | Yes | Yes | ||
| Number of SIMs | 2 | 2 | ||
| Wi-Fi Direct | Yes | No | ||
| NFC | - | No | ||
| USB OTG | - | Yes | ||
| Micro-USB | - | Yes | ||
| Mobile High-Definition Link (MHL) | - | No | ||
| sim 1 | ||||
| SIM Type | Nano-SIM | Micro-SIM | ||
| GSM/CDMA | GSM | GSM | ||
| 3G | Yes | Yes | ||
| 4G/ LTE | Yes | Yes | ||
| sim 2 | ||||
| SIM Type | Nano-SIM | Nano-SIM | ||
| GSM/CDMA | GSM | GSM | ||
| 3G | Yes | Yes | ||
| 4G/ LTE | Yes | Yes | ||
| sensors | ||||
| Face unlock | Yes | - | ||
| Fingerprint sensor | Yes | Yes | ||
| Compass/ Magnetometer | Yes | Yes | ||
| Proximity sensor | Yes | Yes | ||
| Accelerometer | Yes | Yes | ||
| Ambient light sensor | Yes | Yes | ||
| Gyroscope | - | Yes | ||
| Barometer | - | No | ||
| Temperature sensor | - | No | ||
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