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| key specs | ||||
| Display | 5.50-inch | 6.00-inch | 5.20-inch | |
| Processor | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 653 | Qualcomm Snapdragon 435 | |
| Front Camera | 20-megapixel | 16-megapixel + 8-megapixel | 16-megapixel | |
| Rear Camera | 20-megapixel | 16-megapixel | 13-megapixel | |
| RAM | 4GB | 4GB | 3GB | |
| Storage | 64GB | 64GB | 32GB | |
| Battery Capacity | 2900mAh | 4000mAh | 2900mAh | |
| OS | Android 7.1 | Android 6.0 | Android 6.0 | |
| Resolution | 1080x1920 pixels | 1080x1920 pixels | 720x1280 pixels | |
| general | ||||
| Brand | Oppo | Oppo | OPPO | |
| Model | R11 | F3 Plus | Oppo A57 | |
| Release date | June 1, 2017 | March 1, 2017 | November 1, 2016 | |
| Form factor | Touchscreen | Touchscreen | Touchscreen | |
| Battery capacity (mAh) | 2900 | 4000 | 2900 | |
| Removable battery | No | No | No | |
| Launched in India | - | Yes | Yes | |
| Dimensions (mm) | - | 163.63 x 80.80 x 7.35 | 149.10 x 72.90 x 7.65 | |
| Weight (g) | - | 185.00 | 147.00 | |
| Colours | - | Black, Gold | Rose Gold, Gold | |
| SAR value | - | 0.62 | 1.31 | |
| display | ||||
| Screen size (inches) | 5.50 | 6.00 | 5.20 | |
| Touchscreen | Yes | Yes | Yes | |
| Resolution | 1080x1920 pixels | 1080x1920 pixels | 720x1280 pixels | |
| Protection type | - | Gorilla Glass | - | |
| Aspect ratio | - | 16:9 | 16:9 | |
| Pixels per inch (PPI) | - | 367 | - | |
| hardware | ||||
| Processor | octa-core | octa-core (4x1.95GHz + 4x1.44GHz) | 1.4GHz octa-core | |
| Processor make | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 653 | Qualcomm Snapdragon 435 | |
| RAM | 4GB | 4GB | 3GB | |
| Internal storage | 64GB | 64GB | 32GB | |
| Expandable storage | No | Yes | Yes | |
| Expandable storage type | - | microSD | microSD | |
| Expandable storage up to (GB) | - | 256 | 256 | |
| camera | ||||
| Rear camera | 20-megapixel | 16-megapixel (f/1.7) | 13-megapixel (f/2.2) | |
| Rear flash | Dual LED | Dual LED | LED | |
| Front camera | 20-megapixel | 16-megapixel (f/2.0) + 8-megapixel | 16-megapixel (f/2.0, 1.12-micron) | |
| Rear autofocus | - | - | Phase detection autofocus | |
| Front autofocus | - | - | Yes | |
| software | ||||
| Operating system | Android 7.1 | Android 6.0 | Android 6.0 | |
| Skin | Color OS | ColorOS 3.0 | ColorOS 3.0 | |
| connectivity | ||||
| Wi-Fi | Yes | Yes | Yes | |
| GPS | Yes | Yes | Yes | |
| Bluetooth | Yes | Yes, v 4.10 | Yes, v 4.10 | |
| NFC | No | No | No | |
| Infrared | No | No | No | |
| USB OTG | No | Yes | Yes | |
| FM | No | No | Yes | |
| Number of SIMs | 1 | 2 | 2 | |
| Wi-Fi Direct | No | No | No | |
| Mobile High-Definition Link (MHL) | No | No | No | |
| Wi-Fi standards supported | - | 802.11 a/b/g/n/ac | 802.11 b/g/n | |
| Micro-USB | - | Yes | Yes | |
| Headphones | - | 3.5mm | 3.5mm | |
| sim 1 | ||||
| 3G | No | Yes | Yes | |
| 4G/ LTE | No | Yes | Yes | |
| SIM Type | - | Nano-SIM | Nano-SIM | |
| GSM/CDMA | - | GSM | GSM | |
| sensors | ||||
| Compass/ Magnetometer | No | Yes | Yes | |
| Proximity sensor | Yes | Yes | Yes | |
| Accelerometer | Yes | Yes | Yes | |
| Ambient light sensor | No | Yes | Yes | |
| Gyroscope | No | Yes | Yes | |
| Barometer | No | No | No | |
| Temperature sensor | No | No | No | |
| Fingerprint sensor | - | Yes | Yes | |
| 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 | - | |||
| sim 2 | ||||
| SIM Type | - | Nano-SIM | Nano-SIM | |
| GSM/CDMA | - | GSM | GSM | |
| 3G | - | Yes | Yes | |
| 4G/ LTE | - | Yes | Yes | |