Oppo A3x 4G vs Vivo Y21 comparison

Compare Oppo A3x 4G
Compare Vivo Y21
key specs
Display6.67-inch6.50-inch
ProcessorQualcomm Snapdragon 6s Gen 1MediaTek Helio P35
Front Camera5-megapixel 8-megapixel
Rear Camera8-megapixel 13-megapixel + 2-megapixel
RAM4GB4GB
Storage64GB, 128GB128GB
Battery Capacity5100mAh5000mAh
OSAndroid 14Android 11
Resolution720x1604 pixels720x1600 pixels
general
BrandOppoVivo
ModelA3x 4GY21
Release dateOctober 25, 2024-
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)165.77 x 76.80 x 7.68164.26 x 76.08 x 8.00
Weight (g)186.00182.00
Battery capacity (mAh)51005000
Removable batteryNo-
Fast charging45W Fast ChargingProprietary
Wireless chargingNo-
ColoursNebula Red, Ocean BlueMidnight Blue, Diamond Black
display
Refresh Rate90 Hz-
Resolution StandardHD+-
Screen size (inches)6.676.50
TouchscreenYesYes
Resolution720x1604 pixels720x1600 pixels
Protection typeOther-
hardware
Processorocta-coreocta-core
Processor makeQualcomm Snapdragon 6s Gen 1MediaTek Helio P35 (MT6765)
RAM4GB4GB
Internal storage64GB, 128GB128GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)-1000
Dedicated microSD slot-Yes
camera
Rear camera8-megapixel (f/2.0)13-megapixel (f/2.2) + 2-megapixel (f/2.4)
No. of Rear Cameras22
Front camera5-megapixel (f/2.2)8-megapixel (f/2.0)
No. of Front Cameras11
Rear autofocus-Yes
Rear flash-LED
software
Operating systemAndroid 14Android 11
SkinColorOS 14Funtouch OS 11.1
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYes-
BluetoothYes, v 5.00Yes, v 5.00
USB OTGYesYes
USB Type-CYes-
Headphones3.5mm-
Number of SIMs2-
Active 4G on both SIM cardsYes-
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYes-
Proximity sensorYes-
AccelerometerYes-
Ambient light sensorYes-

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