Realme C21Y vs Samsung Z4 comparison

Compare Realme C21Y
Compare Samsung Z4
key specs
Display6.50-inch4.50-inch
ProcessorUnisoc T6101.5GHz quad-core
Front Camera5-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel + 2-megapixel 5-megapixel
RAM3GB, 4GB1GB
Storage32GB, 64GB8GB
Battery Capacity5000mAh1050mAh
OSAndroid 11Tizen 3.0
Resolution720x1600 pixels480x800 pixels
general
BrandRealmeSamsung
ModelC21YZ4
Release dateJuly 14, 2021May 1, 2017
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)164.50 x 76.00 x 9.10132.90 x 69.20 x 10.30
Weight (g)200.00143.00
Battery capacity (mAh)50001050
Fast chargingProprietary-
ColoursCross Black, Cross BlueBlack, Gold, and Silver
Removable battery-No
display
Screen size (inches)6.504.50
TouchscreenYesYes
Resolution720x1600 pixels480x800 pixels
Aspect ratio20:9-
hardware
Processorocta-core1.5GHz quad-core
Processor makeUnisoc T610-
RAM3GB, 4GB1GB
Internal storage32GB, 64GB8GB
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)5-megapixel
No. of Rear Cameras3-
Rear autofocusYes-
Rear flashYesDual LED
Front camera5-megapixel (f/2.4)5-megapixel
No. of Front Cameras1-
Front flash-LED
software
Operating systemAndroid 11Tizen 3.0
SkinRealme UI-
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.00
Micro-USBYes-
Headphones3.5mm3.5mm
Number of SIMs22
Wi-Fi standards supported-802.11 b/g/n
NFC-No
Infrared-No
USB OTG-No
FM-No
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-No
Barometer-No
Temperature sensor-No
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