Vivo Y71i vs Oppo A3s vs Vivo Y71 vs Vivo Y53 comparison
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| key specs |
| Display | 6.00-inch | 6.20-inch | 6.00-inch | 5.00-inch |
| Processor | Qualcomm Snapdragon 425 | Qualcomm Snapdragon 450 | Qualcomm Snapdragon 425 | Qualcomm Snapdragon 425 |
| Front Camera | 5-megapixel | 8-megapixel | 5-megapixel | 5-megapixel |
| Rear Camera | 8-megapixel | 13-megapixel + 2-megapixel | 13-megapixel | 8-megapixel |
| RAM | 2GB | 2GB | 3GB | 2GB |
| Storage | 16GB | 16GB | 16GB | 16GB |
| Battery Capacity | 3285mAh | 4230mAh | 3360mAh | 2500mAh |
| OS | Android 8.1 Oreo | Android 8.1 Oreo | Android 8.1 Oreo | Android 6.0 |
| Resolution | 720x1440 pixels | 720x1520 pixels | 720x1440 pixels | 540x960 pixels |
| general |
| Brand | Vivo | Oppo | Vivo | Vivo |
| Model | Y71i | A3s | Y71 | Y53 |
| Release date | July 1, 2018 | - | April 1, 2018 | March 1, 2017 |
| Launched in India | Yes | - | Yes | - |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 155.87 x 75.74 x 7.80 | 156.20 x 75.60 x 8.20 | 155.90 x 75.70 x 7.80 | 144.20 x 71.40 x 7.64 |
| Weight (g) | 150.00 | 168.00 | 150.00 | 137.00 |
| Battery capacity (mAh) | 3285 | 4230 | 3360 | 2500 |
| Colours | - | Red, Dark Purple | Black, Gold | Crown Gold, Matte Black |
| display |
| Screen size (inches) | 6.00 | 6.20 | 6.00 | 5.00 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 720x1440 pixels | 720x1520 pixels | 720x1440 pixels | 540x960 pixels |
| Aspect ratio | 18:9 | 19:9 | 18:9 | - |
| Pixels per inch (PPI) | 269 | - | - | - |
| hardware |
| Processor | 1.4GHz quad-core | 1.8GHz octa-core | 1.4GHz quad-core | 1.4GHz quad-core |
| Processor make | Qualcomm Snapdragon 425 | Qualcomm Snapdragon 450 | Qualcomm Snapdragon 425 | Qualcomm Snapdragon 425 |
| RAM | 2GB | 2GB | 3GB | 2GB |
| Internal storage | 16GB | 16GB | 16GB | 16GB |
| Expandable storage | Yes | Yes | - | Yes |
| Expandable storage type | microSD | microSD | - | microSD |
| Expandable storage up to (GB) | 256 | 256 | - | 256 |
| camera |
| Rear camera | 8-megapixel (f/1.0) | 13-megapixel (f/2.2) + 2-megapixel (f/2.4) | 13-megapixel | 8-megapixel |
| Front camera | 5-megapixel (f/2.2) | 8-megapixel (f/2.2) | 5-megapixel | 5-megapixel |
| Rear autofocus | - | Yes | - | - |
| Rear flash | - | LED | - | Yes |
| software |
| Operating system | Android 8.1 Oreo | Android 8.1 Oreo | Android 8.1 Oreo | Android 6.0 |
| Skin | FunTouch OS | ColorOS 5.1 | FunTouch OS | FunTouch OS 3.0 |
| connectivity |
| Bluetooth | Yes, v 4.20 | Yes, v 4.20 | Yes, v 4.20 | Yes, v 4.20 |
| USB OTG | No | - | - | Yes |
| Wi-Fi | - | Yes | Yes | Yes |
| GPS | - | Yes | Yes | Yes |
| Micro-USB | - | Yes | Yes | - |
| Headphones | - | 3.5mm | 3.5mm | 3.5mm |
| Wi-Fi Direct | - | Yes | Yes | - |
| Wi-Fi standards supported | - | - | 802.11 b/g/n | - |
| FM | - | - | Yes | Yes |
| Number of SIMs | - | - | 2 | 2 |
| sensors |
| Proximity sensor | Yes | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes | Yes |
| Ambient light sensor | Yes | - | Yes | Yes |
| Compass/ Magnetometer | - | Yes | Yes | Yes |
| Gyroscope | - | - | Yes | - |
| sim 1 |
| SIM Type | - | - | Nano-SIM | Nano-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 |