Realme C21 vs Karbonn A21 comparison

Compare Realme C21
Compare Karbonn A21
key specs
Display6.50-inch4.50-inch
ProcessorMediaTek Helio G35Qualcomm Snapdragon
Front Camera5-megapixel 1.3-megapixel
Rear Camera13-megapixel + 2-megapixel + 2-megapixel 5-megapixel
RAM3GB512MB
Storage32GB4GB
Battery Capacity5000mAh1800mAh
OSAndroid 10Android 4
Resolution720x1600 pixels480x800 pixels
general
BrandRealmeKarbonn
ModelC21A21
Release date5th March 2021December 2012
Launched in IndiaYes-
Dimensions (mm)165.20 x 76.40 x 8.90-
Weight (g)190.00-
Battery capacity (mAh)50001800
ColoursCross Black, Cross BluePearl White
Form factor-Bar
Removable battery-No
display
Screen size (inches)6.504.50
TouchscreenYesYes
Resolution720x1600 pixels480x800 pixels
hardware
Processorocta-core1.2GHz one-core
Processor makeMediaTek Helio G35Qualcomm Snapdragon
RAM3GB512MB
Internal storage32GB4GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)25632
Dedicated microSD slotYes-
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)5-megapixel
No. of Rear Cameras3-
Front camera5-megapixel (f/2.2)1.3-megapixel
No. of Front Cameras1-
Rear flash-LED
software
Operating systemAndroid 10Android 4
SkinRealme UI-
connectivity
Wi-FiYesNo
Wi-Fi standards supported802.11 b/g/n-
GPSYesYes
BluetoothYes, v 5.00Yes
Micro-USBYes-
Headphones3.5mm-
Number of SIMs22
NFC-No
Infrared-No
USB OTG-No
FM-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
3GYesYes
4G/ LTEYesNo
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesNo
AccelerometerYesNo
Ambient light sensorYesNo
Gyroscope-No
Barometer-No
Temperature sensor-No

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