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| Display | |||
| 5.45-inch | 5.00-inch | ||
| Processor | |||
| Qualcomm Snapdragon 439 | Qualcomm Snapdragon 425 | ||
| Front Camera | |||
| 5-megapixel | 5-megapixel | ||
| Rear Camera | |||
| 12-megapixel | 8-megapixel | ||
| RAM | |||
| 2GB | 2GB | ||
| Storage | |||
| 16GB | 16GB | ||
| Battery Capacity | |||
| 4000mAh | 2600mAh | ||
| OS | |||
| Android 9 Pie | Android 7.1 | ||
| Resolution | |||
| 720x1440 pixels | 540x960 pixels | ||
| Brand | |||
| Xiaomi | Samsung | ||
| Model | |||
| Redmi 7A | Galaxy J2 (2018) | ||
| Release date | |||
| May 22, 2019 | January 1, 2018 | ||
| Launched in India | |||
| Yes | Yes | ||
| Form factor | |||
| Touchscreen | Touchscreen | ||
| Body type | |||
| Polycarbonate | - | ||
| Dimensions (mm) | |||
| 146.30 x 70.41 x 9.55 | 143.80 x 72.30 x 8.40 | ||
| Weight (g) | |||
| 165.00 | 153.00 | ||
| Battery capacity (mAh) | |||
| 4000 | 2600 | ||
| Colours | |||
| Matte Gold, Matte Black, Matte Blue | Black, Blue, Pink | ||
| Removable battery | |||
| - | No | ||
| Screen size (inches) | |||
| 5.45 | 5.00 | ||
| Touchscreen | |||
| Yes | Yes | ||
| Resolution | |||
| 720x1440 pixels | 540x960 pixels | ||
| Aspect ratio | |||
| 18:9 | - | ||
| Pixels per inch (PPI) | |||
| 295 | - | ||
| Processor | |||
| 2GHz octa-core | 1.4GHz quad-core | ||
| Processor make | |||
| Qualcomm Snapdragon 439 | Qualcomm Snapdragon 425 | ||
| RAM | |||
| 2GB | 2GB | ||
| Internal storage | |||
| 16GB | 16GB | ||
| Expandable storage | |||
| Yes | Yes | ||
| Expandable storage type | |||
| microSD | microSD | ||
| Expandable storage up to (GB) | |||
| 256 | 256 | ||
| Dedicated microSD slot | |||
| Yes | - | ||
| Rear camera | |||
| 12-megapixel (f/2.2, 1.25-micron) | 8-megapixel | ||
| Rear autofocus | |||
| Phase detection autofocus | - | ||
| Rear flash | |||
| LED | LED | ||
| Front camera | |||
| 5-megapixel | 5-megapixel | ||
| Front flash | |||
| - | LED | ||
| Operating system | |||
| Android 9 Pie | Android 7.1 | ||
| Skin | |||
| MIUI 10 | - | ||
| Wi-Fi | |||
| Yes | Yes | ||
| Wi-Fi standards supported | |||
| 802.11 b/g/n | 802.11 b/g/n | ||
| GPS | |||
| Yes | Yes | ||
| Bluetooth | |||
| Yes, v 4.20 | Yes, v 4.20 | ||
| Micro-USB | |||
| Yes | - | ||
| Headphones | |||
| 3.5mm | 3.5mm | ||
| FM | |||
| Yes | No | ||
| Number of SIMs | |||
| 2 | 2 | ||
| NFC | |||
| - | No | ||
| Infrared | |||
| - | No | ||
| USB OTG | |||
| - | Yes | ||
| Wi-Fi Direct | |||
| - | Yes | ||
| Mobile High-Definition Link (MHL) | |||
| - | No | ||
| SIM Type | |||
| Nano-SIM | Micro-SIM | ||
| GSM/CDMA | |||
| GSM | GSM | ||
| 3G | |||
| Yes | Yes | ||
| 4G/ LTE | |||
| Yes | Yes | ||
| SIM Type | |||
| Nano-SIM | Micro-SIM | ||
| GSM/CDMA | |||
| GSM | GSM | ||
| 3G | |||
| Yes | Yes | ||
| 4G/ LTE | |||
| Yes | Yes | ||
| Compass/ Magnetometer | |||
| Yes | No | ||
| Proximity sensor | |||
| Yes | Yes | ||
| Accelerometer | |||
| Yes | Yes | ||
| Ambient light sensor | |||
| Yes | No | ||
| Gyroscope | |||
| - | No | ||
| Barometer | |||
| - | No | ||
| Temperature sensor | |||
| - | No | ||
