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- Xiaomi Redmi S2 vs Oppo F7 vs Xiaomi Mi 4
Xiaomi Redmi S2 vs Oppo F7 vs Xiaomi Mi 4 comparison
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| key specs | ||||
| Display | 5.99-inch | 6.23-inch | 5.00-inch | |
| Processor | Qualcomm Snapdragon 625 | MediaTek Helio P60 | Qualcomm Snapdragon 801 | |
| Front Camera | 16-megapixel | 25-megapixel | 8-megapixel | |
| Rear Camera | 12-megapixel | 16-megapixel | 13-megapixel | |
| RAM | 3GB | 4GB | 3GB | |
| Storage | 32GB | 64GB | 16GB | |
| Battery Capacity | 3080mAh | 3400mAh | 3080mAh | |
| OS | Android 8.1 Oreo | Android 8.1 | Android 4.4 | |
| Resolution | 720x1440 pixels | 1080x2280 pixels | 1080x1920 pixels | |
| general | ||||
| Brand | Xiaomi | Oppo | Xiaomi | |
| Model | Redmi S2 | F7 | Mi 4 | |
| Release date | May 1, 2018 | March 1, 2018 | July 1, 2014 | |
| Form factor | Touchscreen | Touchscreen | Touchscreen | |
| Dimensions (mm) | 160.73 x 77.26 x 8.10 | 156.00 x 75.30 x 7.80 | 139.20 x 68.50 x 8.90 | |
| Weight (g) | 170.00 | 158.00 | 156.00 | |
| Battery capacity (mAh) | 3080 | 3400 | 3080 | |
| Removable battery | No | No | No | |
| Colours | Black, Rose Gold, Gold, White, Blue, Red, Pink, Gray, Silver | Diamond Black, Moonlight Silver, Solar Red, | White | |
| Launched in India | - | Yes | Yes | |
| SAR value | - | 1.27 | - | |
| display | ||||
| Screen size (inches) | 5.99 | 6.23 | 5.00 | |
| Touchscreen | Yes | Yes | Yes | |
| Resolution | 720x1440 pixels | 1080x2280 pixels | 1080x1920 pixels | |
| Protection type | - | Gorilla Glass | - | |
| Aspect ratio | - | 19:9 | 16:9 | |
| Pixels per inch (PPI) | - | 405 | - | |
| hardware | ||||
| Processor | 2GHz octa-core | octa-core (4x2GHz + 4x2GHz) | 2.5GHz quad-core | |
| Processor make | Qualcomm Snapdragon 625 | MediaTek Helio P60 (MT6771) | Qualcomm Snapdragon 801 | |
| RAM | 3GB | 4GB | 3GB | |
| Internal storage | 32GB | 64GB | 16GB | |
| Expandable storage | Yes | Yes | No | |
| Expandable storage type | microSD | microSD | - | |
| Expandable storage up to (GB) | 256 | 256 | - | |
| camera | ||||
| Rear camera | 12-megapixel | 16-megapixel (f/1.8) | 13-megapixel (f/1.8, 1.12-micron) | |
| Rear flash | LED | LED | LED | |
| Front camera | 16-megapixel | 25-megapixel (f/2.0) | 8-megapixel (f/1.8) | |
| Front flash | Yes | No | - | |
| Rear autofocus | - | Phase detection autofocus | Yes | |
| software | ||||
| Operating system | Android 8.1 Oreo | Android 8.1 | Android 4.4 | |
| Skin | MIUI 9 | ColorOS 5.0 | MIUI 6 | |
| connectivity | ||||
| Wi-Fi | Yes | Yes | Yes | |
| Wi-Fi standards supported | 802.11 b/g/n | 802.11 b/g/n/ac | 802.11 a/b/g/n/ac | |
| GPS | Yes | Yes | Yes | |
| Bluetooth | Yes, v 4.20 | Yes, v 4.20 | Yes, v 4.00 | |
| Infrared | Yes | No | Yes | |
| Number of SIMs | 2 | 2 | 1 | |
| NFC | - | No | No | |
| USB OTG | - | Yes | Yes | |
| Headphones | - | 3.5mm | 3.5mm | |
| FM | - | Yes | Yes | |
| Wi-Fi Direct | - | Yes | No | |
| Micro-USB | - | - | Yes | |
| Mobile High-Definition Link (MHL) | - | - | No | |
| sim 1 | ||||
| SIM Type | Nano-SIM | Nano-SIM | Micro-SIM | |
| GSM/CDMA | GSM | GSM | GSM | |
| 3G | Yes | Yes | Yes | |
| 4G/ LTE | Yes | Yes | No | |
| sim 2 | ||||
| SIM Type | Nano-SIM | Nano-SIM | - | |
| GSM/CDMA | GSM | GSM | - | |
| 3G | Yes | Yes | - | |
| 4G/ LTE | Yes | Yes | - | |
| sensors | ||||
| Compass/ Magnetometer | Yes | Yes | Yes | |
| Proximity sensor | Yes | Yes | Yes | |
| Accelerometer | Yes | Yes | Yes | |
| Ambient light sensor | Yes | Yes | Yes | |
| Gyroscope | Yes | Yes | Yes | |
| Fingerprint sensor | - | Yes | - | |
| Barometer | - | - | Yes | |
| Temperature sensor | - | - | No | |
| 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 | - | |||
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