Realme C21Y vs Celkon Millennium Ultra Q500 comparison

Compare Realme C21Y
Compare Celkon Millennium Ultra Q500
key specs
Display6.50-inch5.00-inch
ProcessorUnisoc T6101.2GHz quad-core
Front Camera5-megapixel 2-megapixel
Rear Camera13-megapixel + 2-megapixel + 2-megapixel 8-megapixel
RAM3GB, 4GB2GB
Storage32GB, 64GB16GB
Battery Capacity5000mAh2500mAh
OSAndroid 11Android 4.4
Resolution720x1600 pixels720x1280 pixels
general
BrandRealmeCelkon
ModelC21YMillennium Ultra Q500
Release dateJuly 14, 2021September 1, 2014
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)164.50 x 76.00 x 9.10145.60 x 71.80 x 8.00
Weight (g)200.00149.00
Battery capacity (mAh)50002500
Fast chargingProprietary-
ColoursCross Black, Cross Blue-
Removable battery-Yes
display
Screen size (inches)6.505.00
TouchscreenYesYes
Resolution720x1600 pixels720x1280 pixels
Aspect ratio20:9-
hardware
Processorocta-core1.2GHz quad-core
Processor makeUnisoc T610-
RAM3GB, 4GB2GB
Internal storage32GB, 64GB16GB
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)8-megapixel
No. of Rear Cameras3-
Rear autofocusYes-
Rear flashYesLED
Front camera5-megapixel (f/2.4)2-megapixel
No. of Front Cameras1-
software
Operating systemAndroid 11Android 4.4
SkinRealme UI-
connectivity
Wi-FiYesYes
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-Yes
Barometer-No
Temperature sensor-No
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