Redmi 8A Dual vs Karbonn A7 Star comparison

Compare Redmi 8A Dual
Compare Karbonn A7 Star
key specs
Display6.22-inch4.50-inch
ProcessorQualcomm Snapdragon 4391GHz dual-core
Front Camera8-megapixel 0.3-megapixel
Rear Camera13-megapixel + 2-megapixel 5-megapixel
RAM2GB512MB
Storage32GB164MB
Battery Capacity5000mAh1400mAh
OSAndroid 9.0Android 4
Resolution720x1520 pixels480x480 pixels
general
BrandXiaomiKarbonn
ModelRedmi 8A DualA7 Star
Release date11th February 2020May 2013
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)156.48 x 75.41 x 9.40113.00 x 66.00 x 10.40
Weight (g)188.00-
Battery capacity (mAh)50001400
Fast chargingProprietary-
ColoursSky White, Sea Blue, Midnight GreyWhite, Black
Removable battery-Yes
display
Screen size (inches)6.224.50
TouchscreenYesYes
Resolution720x1520 pixels480x480 pixels
Protection typeGorilla Glass-
Aspect ratio19:9-
Pixels per inch (PPI)-218
hardware
Processor1.45GHz octa-core (4x1.95GHz + 4x1.45GHz)1GHz dual-core
Processor makeQualcomm Snapdragon 439-
RAM2GB512MB
Internal storage32GB164MB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)51232
Dedicated microSD slotYes-
camera
Rear camera13-megapixel (f/2.2, 1.12-micron) + 2-megapixel (f/2.4, 1.75-micron)5-megapixel
Rear autofocusYes-
Rear flashYesLED
Front camera8-megapixel (f/2.0, 1.12-micron)0.3-megapixel
software
Operating systemAndroid 9.0Android 4
SkinMIUI 11-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n-
GPSYesYes
BluetoothYes, v 4.20Yes
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Wi-Fi DirectYesNo
Active 4G on both SIM cardsYes-
NFC-No
Infrared-No
USB OTG-No
FM-Yes
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMRegular
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesNo
sim 2
SIM TypeNano-SIMRegular
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesNo
sensors
Face unlockYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesNo
Gyroscope-No
Barometer-No
Temperature sensor-No

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