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Redmi 8A vs Karbonn A21 comparison

 Compare Redmi 8A
Redmi 8A
Compare Karbonn A21
Karbonn A21
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.22-inch4.50-inch
ProcessorQualcomm Snapdragon 439Qualcomm Snapdragon S4 Play
Front Camera8-megapixel1.3-megapixel
Rear Camera12-megapixel 5-megapixel
RAM2GB512MB
Storage32GB4GB
Battery Capacity5000mAh1800mAh
OSAndroid 9 PieAndroid 4
Resolution720x1520 pixels480x800 pixels
general
BrandXiaomiKarbonn
ModelRedmi 8AA21
Release dateSeptember 25, 2019December 1, 2012
Launched in IndiaYes-
Dimensions (mm)156.48 x 75.41 x 9.40-
Weight (g)188.00-
Battery capacity (mAh)50001800
Fast chargingProprietary-
ColoursMidnight Black, Sunset Red, Ocean BluePearl White
Form factor-Bar
Removable battery-No
display
Screen size (inches)6.224.50
TouchscreenYesYes
Resolution720x1520 pixels480x800 pixels
Protection typeGorilla Glass-
Aspect ratio19:9-
hardware
Processor2GHz octa-core1.2GHz one-core
Processor makeQualcomm Snapdragon 439Qualcomm Snapdragon S4 Play (MSM8225)
RAM2GB512MB
Internal storage32GB4GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)51232
Dedicated microSD slotYes-
camera
Rear camera12-megapixel (f/1.8)5-megapixel
Rear autofocusPhase detection autofocus-
Rear flashLEDLED
Front camera8-megapixel1.3-megapixel
software
Operating systemAndroid 9 PieAndroid 4
SkinMIUI 10-
connectivity
Wi-FiYesNo
GPSYesYes
BluetoothYes, v 5.00Yes
USB Type-CYes-
Headphones3.5mm-
FMYesNo
Number of SIMs22
NFC-No
Infrared-No
USB OTG-No
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMRegular
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesNo
sim 2
SIM TypeNano-SIMRegular
GSM/CDMAGSMGSM
4G/ LTEYesNo
3G-Yes
sensors
Face unlockYes-
Proximity sensorYesNo
AccelerometerYesNo
Ambient light sensorYesNo
Compass/ Magnetometer-No
Gyroscope-No
Barometer-No
Temperature sensor-No

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