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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 | 6.53-inch | 2.80-inch | ||
Processor | Qualcomm Snapdragon 675 | one-core | ||
Front Camera | 16-megapixel | No | ||
Rear Camera | 16-megapixel + 8-megapixel + 2-megapixel | 3.2-megapixel | ||
RAM | 8GB | - | ||
Storage | 128GB | - | ||
Battery Capacity | 5000mAh | 1000mAh | ||
OS | Android 9 | Proprietary | ||
Resolution | 1080x2340 pixels | - | ||
general | ||||
Brand | Vivo | Karbonn | ||
Model | U20 | KT21 | ||
Release date | November 22, 2019 | March 1, 2012 | ||
Launched in India | Yes | - | ||
Form factor | Touchscreen | Bar | ||
Body type | Plastic | - | ||
Dimensions (mm) | 162.15 x 76.47 x 8.89 | - | ||
Weight (g) | 193.00 | - | ||
Battery capacity (mAh) | 5000 | 1000 | ||
Removable battery | No | Yes | ||
Fast charging | Proprietary | - | ||
Wireless charging | No | - | ||
Colours | Black, Blaze Blue, Racing Black | Black | ||
display | ||||
Screen size (inches) | 6.53 | 2.80 | ||
Touchscreen | Yes | Yes | ||
Resolution | 1080x2340 pixels | - | ||
hardware | ||||
Processor | octa-core | one-core | ||
Processor make | Qualcomm Snapdragon 675 | - | ||
RAM | 8GB | - | ||
Internal storage | 128GB | - | ||
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) | 3.2-megapixel | ||
Rear autofocus | Yes | - | ||
Rear flash | Yes | Yes | ||
Front camera | 16-megapixel (f/2.0) | No | ||
software | ||||
Operating system | Android 9 | Proprietary | ||
Skin | Funtouch OS 9 | - | ||
connectivity | ||||
Wi-Fi | Yes | No | ||
GPS | Yes | No | ||
Bluetooth | Yes, v 5.00 | Yes | ||
USB OTG | Yes | No | ||
Headphones | 3.5mm | 3.5mm | ||
FM | Yes | Yes | ||
Number of SIMs | 2 | 2 | ||
NFC | - | No | ||
Infrared | - | No | ||
Wi-Fi Direct | - | No | ||
Mobile High-Definition Link (MHL) | - | No | ||
sim 1 | ||||
SIM Type | Nano-SIM | Regular | ||
3G | Yes | No | ||
4G/ LTE | Yes | No | ||
GSM/CDMA | - | GSM | ||
sim 2 | ||||
SIM Type | Nano-SIM | Regular | ||
3G | Yes | No | ||
4G/ LTE | Yes | No | ||
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 |