Realme C21Y vs Micromax Bolt A40 comparison

Compare Realme C21Y
Compare Micromax Bolt A40
key specs
Display6.50-inch4.50-inch
ProcessorUnisoc T610Spreadtrum SC6820
Front Camera5-megapixel 0.3-megapixel
Rear Camera13-megapixel + 2-megapixel + 2-megapixel 2-megapixel
RAM3GB, 4GB512MB
Storage32GB, 64GB75MB
Battery Capacity5000mAh1500mAh
OSAndroid 11Android 2.3
Resolution720x1600 pixels480x854 pixels
general
BrandRealmeMicromax
ModelC21YBolt A40
Release dateJuly 14, 2021September 1, 2013
Launched in IndiaYes-
Form factorTouchscreenBar
Dimensions (mm)164.50 x 76.00 x 9.10135.00 x 67.00 x 10.00
Weight (g)200.00158.00
Battery capacity (mAh)50001500
Fast chargingProprietary-
ColoursCross Black, Cross Blue-
Removable battery-Yes
display
Screen size (inches)6.504.50
TouchscreenYesYes
Resolution720x1600 pixels480x854 pixels
Aspect ratio20:9-
hardware
Processorocta-core1GHz one-core
Processor makeUnisoc T610Spreadtrum SC6820
RAM3GB, 4GB512MB
Internal storage32GB, 64GB75MB
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)2-megapixel
No. of Rear Cameras3-
Rear autofocusYes-
Rear flashYesYes
Front camera5-megapixel (f/2.4)0.3-megapixel
No. of Front Cameras1-
software
Operating systemAndroid 11Android 2.3
SkinRealme UI-
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.00Yes, v 2.10
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
3GYesNo
4G/ LTEYesNo
sim 2
SIM TypeNano-SIMRegular
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesNo
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesNo
AccelerometerYesYes
Ambient light sensorYesNo
Gyroscope-No
Barometer-No
Temperature sensor-No
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