Vivo Y71 vs Oppo A83 (2018) vs Oppo F7 vs Vivo V9 comparison
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| key specs |
| Display | 6.00-inch | 5.70-inch | 6.23-inch | 6.30-inch |
| Processor | Qualcomm Snapdragon 425 | MediaTek MT6737T | MediaTek Helio P60 | Qualcomm Snapdragon 626 |
| Front Camera | 5-megapixel | 8-megapixel | 25-megapixel | 24-megapixel |
| Rear Camera | 13-megapixel | 13-megapixel | 16-megapixel | 16-megapixel + 5-megapixel |
| RAM | 3GB | 4GB | 4GB | 4GB |
| Storage | 16GB | 64GB | 64GB | 64GB |
| Battery Capacity | 3360mAh | 3180mAh | 3400mAh | 3260mAh |
| OS | Android 8.1 Oreo | Android 7.1 | Android 8.1 | Android 8.1 |
| Resolution | 720x1440 pixels | 720x1440 pixels | 1080x2280 pixels | 1080x2280 pixels |
| general |
| Brand | Vivo | Oppo | Oppo | Vivo |
| Model | Y71 | A83 (2018) | F7 | V9 |
| Release date | April 1, 2018 | December 1, 2017 | March 1, 2018 | March 1, 2018 |
| Launched in India | Yes | Yes | Yes | Yes |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 155.90 x 75.70 x 7.80 | 150.50 x 73.10 x 7.70 | 156.00 x 75.30 x 7.80 | 154.80 x 75.00 x 7.90 |
| Weight (g) | 150.00 | 143.00 | 158.00 | 150.00 |
| Battery capacity (mAh) | 3360 | 3180 | 3400 | 3260 |
| Colours | Black, Gold | - | Diamond Black, Moonlight Silver, Solar Red, | Pearl Black, Gold |
| Removable battery | - | - | No | No |
| SAR value | - | - | 1.27 | 1.38 |
| display |
| Screen size (inches) | 6.00 | 5.70 | 6.23 | 6.30 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 720x1440 pixels | 720x1440 pixels | 1080x2280 pixels | 1080x2280 pixels |
| Aspect ratio | 18:9 | 18:9 | 19:9 | 19:9 |
| Protection type | - | - | Gorilla Glass | - |
| Pixels per inch (PPI) | - | - | 405 | - |
| hardware |
| Processor | 1.4GHz quad-core | 2.5GHz octa-core | octa-core (4x2GHz + 4x2GHz) | 2.2GHz octa-core |
| Processor make | Qualcomm Snapdragon 425 | MediaTek MT6737T | MediaTek Helio P60 (MT6771) | Qualcomm Snapdragon 626 |
| RAM | 3GB | 4GB | 4GB | 4GB |
| Internal storage | 16GB | 64GB | 64GB | 64GB |
| Expandable storage | - | Yes | Yes | Yes |
| Expandable storage type | - | microSD | microSD | microSD |
| Expandable storage up to (GB) | - | 256 | 256 | 256 |
| camera |
| Rear camera | 13-megapixel | 13-megapixel | 16-megapixel (f/1.8) | 16-megapixel (f/2.0) + 5-megapixel |
| Front camera | 5-megapixel | 8-megapixel | 25-megapixel (f/2.0) | 24-megapixel (f/2.0) |
| Rear flash | - | LED | LED | Dual LED |
| Rear autofocus | - | - | Phase detection autofocus | Phase detection autofocus |
| Front flash | - | - | No | - |
| software |
| Operating system | Android 8.1 Oreo | Android 7.1 | Android 8.1 | Android 8.1 |
| Skin | FunTouch OS | ColorOS 3.2 | ColorOS 5.0 | FunTouch OS 4.0 |
| connectivity |
| Wi-Fi | Yes | Yes | Yes | Yes |
| Wi-Fi standards supported | 802.11 b/g/n | 802.11 a/b/g/n | 802.11 b/g/n/ac | - |
| GPS | Yes | Yes | Yes | Yes |
| Bluetooth | Yes, v 4.20 | Yes, v 4.20 | Yes, v 4.20 | Yes, v 4.20 |
| Micro-USB | Yes | - | - | Yes |
| Headphones | 3.5mm | 3.5mm | 3.5mm | 3.5mm |
| FM | Yes | Yes | Yes | Yes |
| Number of SIMs | 2 | 2 | 2 | 2 |
| Wi-Fi Direct | Yes | - | Yes | - |
| NFC | - | No | No | - |
| Infrared | - | No | No | - |
| USB OTG | - | Yes | Yes | Yes |
| sim 1 |
| SIM Type | Nano-SIM | Nano-SIM | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes | Yes |
| sim 2 |
| SIM Type | Nano-SIM | Nano-SIM | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes | Yes |
| sensors |
| Compass/ Magnetometer | Yes | - | Yes | Yes |
| Proximity sensor | Yes | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes | Yes |
| Ambient light sensor | Yes | Yes | Yes | Yes |
| Gyroscope | Yes | - | Yes | Yes |
| Fingerprint sensor | - | - | Yes | Yes |
| Face unlock | - | - | - | 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 | - | - | | |