Oppo A3x 4G vs Realme C21Y comparison

Compare Oppo A3x 4G
Compare Realme C21Y
key specs
Display6.67-inch6.50-inch
ProcessorQualcomm Snapdragon 6s Gen 1Unisoc T610
Front Camera5-megapixel 5-megapixel
Rear Camera8-megapixel 13-megapixel + 2-megapixel + 2-megapixel
RAM4GB3GB, 4GB
Storage64GB, 128GB32GB, 64GB
Battery Capacity5100mAh5000mAh
OSAndroid 14Android 11
Resolution720x1604 pixels720x1600 pixels
general
BrandOppoRealme
ModelA3x 4GC21Y
Release dateOctober 25, 2024July 14, 2021
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)165.77 x 76.80 x 7.68164.50 x 76.00 x 9.10
Weight (g)186.00200.00
Battery capacity (mAh)51005000
Removable batteryNo-
Fast charging45W Fast ChargingProprietary
Wireless chargingNo-
ColoursNebula Red, Ocean BlueCross Black, Cross Blue
display
Refresh Rate90 Hz-
Resolution StandardHD+-
Screen size (inches)6.676.50
TouchscreenYesYes
Resolution720x1604 pixels720x1600 pixels
Protection typeOther-
Aspect ratio-20:9
hardware
Processorocta-coreocta-core
Processor makeQualcomm Snapdragon 6s Gen 1Unisoc T610
RAM4GB3GB, 4GB
Internal storage64GB, 128GB32GB, 64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)-256
Dedicated microSD slot-Yes
camera
Rear camera8-megapixel (f/2.0)13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras23
Front camera5-megapixel (f/2.2)5-megapixel (f/2.4)
No. of Front Cameras11
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroid 14Android 11
SkinColorOS 14Realme UI
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
USB OTGYes-
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
Micro-USB-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 sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes

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