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Realme C21 vs Celkon RahmanIshq AR40 comparison

 Compare Realme C21
Realme C21
Compare Celkon RahmanIshq AR40
Celkon RahmanIshq AR40
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.50-inch4.00-inch
ProcessorMediaTek Helio G351.2GHz dual-core
Front Camera5-megapixel 0.3-megapixel
Rear Camera13-megapixel + 2-megapixel + 2-megapixel 3.2-megapixel
RAM3GB, 4GB512MB
Storage32GB, 64GB4GB
Battery Capacity5000mAh1500mAh
OSAndroid 10Android 4.2
Resolution720x1600 pixels-
general
BrandRealmeCelkon
ModelC21RahmanIshq AR40
Release dateApril 8, 2021October 1, 2013
Launched in IndiaYes-
Dimensions (mm)165.20 x 76.40 x 8.90-
Weight (g)190.00-
Battery capacity (mAh)50001500
ColoursCross Black, Cross Blue-
Form factor-Touchscreen
Removable battery-Yes
display
Screen size (inches)6.504.00
TouchscreenYesYes
Resolution720x1600 pixels-
hardware
Processorocta-core1.2GHz dual-core
Processor makeMediaTek Helio G35-
RAM3GB, 4GB512MB
Internal storage32GB, 64GB4GB
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)3.2-megapixel
No. of Rear Cameras3-
Front camera5-megapixel (f/2.2)0.3-megapixel
No. of Front Cameras1-
software
Operating systemAndroid 10Android 4.2
SkinRealme UI-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n-
GPSYesYes
BluetoothYes, v 5.00Yes
Micro-USBYes-
Headphones3.5mm3.5mm
Number of SIMs22
NFC-No
Infrared-No
USB OTG-No
FM-Yes
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
3GYesNo
4G/ LTEYesNo
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesNo
Gyroscope-No
Barometer-No
Temperature sensor-No

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