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Realme C21Y vs Xiaomi Redmi 3S comparison

 Compare Realme C21Y
Realme C21Y
Compare Xiaomi Redmi 3S
Xiaomi Redmi 3S
key specs
Display6.50-inch5.00-inch
ProcessorUnisoc T610Qualcomm Snapdragon 430
Front Camera5-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel + 2-megapixel 13-megapixel
RAM3GB, 4GB2GB
Storage32GB, 64GB16GB
Battery Capacity5000mAh4100mAh
OSAndroid 11Android 6.0.1
Resolution720x1600 pixels720x1280 pixels
general
BrandRealmeXiaomi
ModelC21YRedmi 3S
Release dateJuly 14, 2021June 1, 2016
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)164.50 x 76.00 x 9.10139.30 x 69.60 x 8.50
Weight (g)200.00144.00
Battery capacity (mAh)50004100
Fast chargingProprietary-
ColoursCross Black, Cross BlueGrey, Silver, Gold
Removable battery-No
display
Screen size (inches)6.505.00
TouchscreenYesYes
Resolution720x1600 pixels720x1280 pixels
Aspect ratio20:9-
hardware
Processorocta-core1.1GHz octa-core
Processor makeUnisoc T610Qualcomm Snapdragon 430
RAM3GB, 4GB2GB
Internal storage32GB, 64GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
Dedicated microSD slotYes-
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)13-megapixel
No. of Rear Cameras3-
Rear autofocusYes-
Rear flashYesLED
Front camera5-megapixel (f/2.4)5-megapixel
No. of Front Cameras1-
software
Operating systemAndroid 11Android 6.0.1
SkinRealme UIMIUI 7
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.10
Micro-USBYes-
Headphones3.5mm3.5mm
Number of SIMs22
Wi-Fi standards supported-802.11 b/g/n
NFC-No
Infrared-Yes
USB OTG-Yes
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-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
Gyroscope-Yes
Barometer-No
Temperature sensor-No

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