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- Vivo U20 (8GB RAM, 128GB) vs Karbonn Alfa 18
Vivo U20 (8GB RAM, 128GB) vs Karbonn Alfa 18 comparison
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| ratings | ||||
| Overall NDTV Rating | Read Review | - | ||
| Design Rating | - | |||
| Display Rating | - | |||
| Software Rating | - | |||
| Performance Rating | - | |||
| Battery Life Rating | - | |||
| Camera Rating | - | |||
| Value for Money Rating | - | |||
| key specs | ||||
| Display | 6.53-inch | 4.00-inch | ||
| Processor | Qualcomm Snapdragon 675 | 1.2GHz quad-core | ||
| Front Camera | 16-megapixel | 0.3-megapixel | ||
| Rear Camera | 16-megapixel + 8-megapixel + 2-megapixel | 2-megapixel | ||
| RAM | 8GB | 512MB | ||
| Storage | 128GB | 4GB | ||
| Battery Capacity | 5000mAh | 1400mAh | ||
| OS | Android 9 | Android 7.0 | ||
| Resolution | 1080x2340 pixels | 480x800 pixels | ||
| general | ||||
| Brand | Vivo | Karbonn | ||
| Model | U20 | Alfa 18 | ||
| Release date | November 22, 2019 | - | ||
| Launched in India | Yes | - | ||
| Form factor | Touchscreen | Touchscreen | ||
| Body type | Plastic | - | ||
| Dimensions (mm) | 162.15 x 76.47 x 8.89 | 124.50 x 64.50 x 10.60 | ||
| Weight (g) | 193.00 | 112.00 | ||
| Battery capacity (mAh) | 5000 | 1400 | ||
| Removable battery | No | No | ||
| Fast charging | Proprietary | - | ||
| Wireless charging | No | - | ||
| Colours | Black, Blaze Blue, Racing Black | Champagne, Grey - Gun Metal, Black - Champagne | ||
| display | ||||
| Screen size (inches) | 6.53 | 4.00 | ||
| Touchscreen | Yes | Yes | ||
| Resolution | 1080x2340 pixels | 480x800 pixels | ||
| hardware | ||||
| Processor | octa-core | 1.2GHz quad-core | ||
| Processor make | Qualcomm Snapdragon 675 | - | ||
| RAM | 8GB | 512MB | ||
| Internal storage | 128GB | 4GB | ||
| Expandable storage | Yes | Yes | ||
| Expandable storage type | microSD | microSD | ||
| Expandable storage up to (GB) | 256 | 32 | ||
| camera | ||||
| Rear camera | 16-megapixel (f/1.78) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4) | 2-megapixel | ||
| Rear autofocus | Yes | - | ||
| Rear flash | Yes | Yes | ||
| Front camera | 16-megapixel (f/2.0) | 0.3-megapixel | ||
| software | ||||
| Operating system | Android 9 | Android 7.0 | ||
| Skin | Funtouch OS 9 | - | ||
| connectivity | ||||
| Wi-Fi | Yes | Yes | ||
| GPS | Yes | Yes | ||
| Bluetooth | Yes, v 5.00 | Yes | ||
| USB OTG | Yes | Yes | ||
| Headphones | 3.5mm | 3.5mm | ||
| FM | Yes | Yes | ||
| Number of SIMs | 2 | 2 | ||
| Wi-Fi standards supported | - | 802.11 b/g/n | ||
| NFC | - | No | ||
| Infrared | - | No | ||
| Wi-Fi Direct | - | No | ||
| Mobile High-Definition Link (MHL) | - | No | ||
| sim 1 | ||||
| SIM Type | Nano-SIM | Micro-SIM | ||
| 3G | Yes | Yes | ||
| 4G/ LTE | Yes | Yes | ||
| GSM/CDMA | - | GSM | ||
| sim 2 | ||||
| SIM Type | Nano-SIM | Micro-SIM | ||
| 3G | Yes | Yes | ||
| 4G/ LTE | Yes | Yes | ||
| GSM/CDMA | - | GSM | ||
| sensors | ||||
| Face unlock | Yes | - | ||
| Fingerprint sensor | Yes | - | ||
| Compass/ Magnetometer | Yes | No | ||
| Proximity sensor | Yes | Yes | ||
| Accelerometer | Yes | Yes | ||
| Ambient light sensor | Yes | No | ||
| Gyroscope | Yes | No | ||
| Barometer | - | No | ||
| Temperature sensor | - | No | ||
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