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Realme C21Y vs Redmi 8A Du comparison

 Compare Realme C21Y
Realme C21Y
Compare Redmi 8A Dual
Redmi 8A Dual
key specs
Display6.50-inch6.22-inch
ProcessorUnisoc T610Qualcomm Snapdragon 439
Front Camera5-megapixel 8-megapixel
Rear Camera13-megapixel + 2-megapixel + 2-megapixel 13-megapixel + 2-megapixel
RAM3GB, 4GB2GB
Storage32GB, 64GB32GB
Battery Capacity5000mAh5000mAh
OSAndroid 11Android 9.0
Resolution720x1600 pixels720x1520 pixels
general
BrandRealmeXiaomi
ModelC21YRedmi 8A Dual
Release dateJuly 14, 2021February 11, 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)164.50 x 76.00 x 9.10156.48 x 75.41 x 9.40
Weight (g)200.00188.00
Battery capacity (mAh)50005000
Fast chargingProprietaryProprietary
ColoursCross Black, Cross BlueSky White, Sea Blue, Midnight Grey
display
Screen size (inches)6.506.22
TouchscreenYesYes
Resolution720x1600 pixels720x1520 pixels
Aspect ratio20:919:9
Protection type-Gorilla Glass
hardware
Processorocta-core1.45GHz octa-core (4x1.95GHz + 4x1.45GHz)
Processor makeUnisoc T610Qualcomm Snapdragon 439
RAM3GB, 4GB2GB
Internal storage32GB, 64GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256512
Dedicated microSD slotYesYes
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)13-megapixel (f/2.2, 1.12-micron) + 2-megapixel (f/2.4, 1.75-micron)
No. of Rear Cameras3-
Rear autofocusYesYes
Rear flashYesYes
Front camera5-megapixel (f/2.4)8-megapixel (f/2.0, 1.12-micron)
No. of Front Cameras1-
software
Operating systemAndroid 11Android 9.0
SkinRealme UIMIUI 11
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.20
Micro-USBYes-
Headphones3.5mm3.5mm
Number of SIMs22
Wi-Fi standards supported-802.11 b/g/n
USB Type-C-Yes
Wi-Fi Direct-Yes
Active 4G on both SIM cards-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Face unlock-Yes

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