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| 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 | ||||
| key specs | ||||
| Display | 6.38-inch | 6.30-inch | ||
| Processor | MediaTek Helio P65 | Qualcomm Snapdragon 626 | ||
| Front Camera | 32-megapixel | 24-megapixel | ||
| Rear Camera | 16-megapixel + 8-megapixel + 5-megapixel | 16-megapixel + 5-megapixel | ||
| RAM | 4GB | 4GB | ||
| Storage | 128GB | 64GB | ||
| Battery Capacity | 4500mAh | 3260mAh | ||
| OS | Android Pie | Android 8.1 | ||
| Resolution | 1080x2340 pixels | 1080x2280 pixels | ||
| general | ||||
| Brand | Vivo | Vivo | ||
| Model | S1 | V9 | ||
| Release date | July 1, 2019 | March 1, 2018 | ||
| Launched in India | Yes | Yes | ||
| Form factor | Touchscreen | Touchscreen | ||
| Dimensions (mm) | 159.53 x 75.23 x 8.13 | 154.80 x 75.00 x 7.90 | ||
| Weight (g) | 179.00 | 150.00 | ||
| Battery capacity (mAh) | 4500 | 3260 | ||
| Removable battery | No | No | ||
| Fast charging | Proprietary | - | ||
| Wireless charging | No | - | ||
| Colours | Skyline Blue, Diamond Black | Pearl Black, Gold | ||
| SAR value | - | 1.38 | ||
| display | ||||
| Screen size (inches) | 6.38 | 6.30 | ||
| Touchscreen | Yes | Yes | ||
| Resolution | 1080x2340 pixels | 1080x2280 pixels | ||
| Aspect ratio | 19.5:9 | 19:9 | ||
| hardware | ||||
| Processor | octa-core | 2.2GHz octa-core | ||
| Processor make | MediaTek Helio P65 (MT6768) | Qualcomm Snapdragon 626 | ||
| RAM | 4GB | 4GB | ||
| Internal storage | 128GB | 64GB | ||
| Expandable storage | No | Yes | ||
| Dedicated microSD slot | No | - | ||
| Expandable storage type | - | microSD | ||
| Expandable storage up to (GB) | - | 256 | ||
| camera | ||||
| Rear camera | 16-megapixel (f/1.78) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4) | 16-megapixel (f/2.0) + 5-megapixel | ||
| Front camera | 32-megapixel (f/2.0) | 24-megapixel (f/2.0) | ||
| Rear autofocus | - | Phase detection autofocus | ||
| Rear flash | - | Dual LED | ||
| software | ||||
| Operating system | Android Pie | Android 8.1 | ||
| Skin | Funtouch OS 9 | FunTouch OS 4.0 | ||
| connectivity | ||||
| Wi-Fi | Yes | Yes | ||
| GPS | Yes | Yes | ||
| Bluetooth | Yes, v 5.00 | Yes, v 4.20 | ||
| USB OTG | Yes | Yes | ||
| Number of SIMs | 2 | 2 | ||
| Micro-USB | - | Yes | ||
| Headphones | - | 3.5mm | ||
| FM | - | Yes | ||
| sim 1 | ||||
| SIM Type | Nano-SIM | Nano-SIM | ||
| GSM/CDMA | - | GSM | ||
| 3G | - | Yes | ||
| 4G/ LTE | - | Yes | ||
| sim 2 | ||||
| SIM Type | Nano-SIM | Nano-SIM | ||
| GSM/CDMA | - | GSM | ||
| 3G | - | Yes | ||
| 4G/ LTE | - | Yes | ||
| sensors | ||||
| Fingerprint sensor | Yes | Yes | ||
| Compass/ Magnetometer | Yes | Yes | ||
| Proximity sensor | Yes | Yes | ||
| Accelerometer | Yes | Yes | ||
| Ambient light sensor | Yes | Yes | ||
| Gyroscope | Yes | Yes | ||
| Face unlock | - | Yes | ||