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Oppo A3x 4G vs Samsung Galaxy M21 comparison

 Compare Oppo A3x 4G
Oppo A3x 4G
Compare Samsung Galaxy M21
Samsung Galaxy M21
key specs
Display6.67-inch6.40-inch
ProcessorQualcomm Snapdragon 6s Gen 1Samsung Exynos 9611
Front Camera5-megapixel 20-megapixel
Rear Camera8-megapixel 48-megapixel + 8-megapixel + 5-megapixel
RAM4GB4GB
Storage64GB64GB
Battery Capacity5100mAh6000mAh
OSAndroid 14Android 10
Resolution720x1604 pixels2340x1080 pixels
general
BrandOppoSamsung
ModelA3x 4GGalaxy M21
Release dateOctober 25, 2024March 18, 2020
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)165.77 x 76.80 x 7.68-
Weight (g)186.00188.00
Battery capacity (mAh)51006000
Removable batteryNoNo
Fast charging45W Fast ChargingProprietary
Wireless chargingNoNo
ColoursNebula Red, Ocean BlueMidnight Blue, Raven Black
Thickness-8.9
display
Refresh Rate90 Hz-
Resolution StandardHD+-
Screen size (inches)6.676.40
TouchscreenYesYes
Resolution720x1604 pixels2340x1080 pixels
Protection typeOtherGorilla Glass
Aspect ratio-19.5:9
hardware
Processorocta-core1.7GHz octa-core (4x1.7GHz + 4x2.3GHz)
Processor makeQualcomm Snapdragon 6s Gen 1Samsung Exynos 9611
RAM4GB4GB
Internal storage64GB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)-512
camera
Rear camera8-megapixel (f/2.0)48-megapixel + 8-megapixel + 5-megapixel
No. of Rear Cameras2-
Front camera5-megapixel (f/2.2)20-megapixel
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-Yes
Front flash-No
software
Operating systemAndroid 14Android 10
SkinColorOS 14One UI 2.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g
GPSYesYes
BluetoothYes, v 5.00Yes
USB OTGYes-
USB Type-CYesYes
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
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
Face unlock-Yes
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
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