Oppo A3x 4G vs Vivo Y91 comparison

Compare Oppo A3x 4G
Compare Vivo Y91
key specs
Display6.67-inch6.22-inch
ProcessorQualcomm Snapdragon 6s Gen 1MediaTek Helio P22
Front Camera5-megapixel 8-megapixel
Rear Camera8-megapixel 13-megapixel + 2-megapixel
RAM4GB2GB
Storage64GB, 128GB32MB
Battery Capacity5100mAh4030mAh
OSAndroid 14Android 8.1
Resolution720x1604 pixels720x1520 pixels
general
BrandOppoVivo
ModelA3x 4GY91
Release dateOctober 25, 2024January 1, 2019
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)165.77 x 76.80 x 7.68155.11 x 75.09 x 8.28
Weight (g)186.00163.50
Battery capacity (mAh)51004030
Removable batteryNo-
Fast charging45W Fast Charging-
Wireless chargingNo-
ColoursNebula Red, Ocean BlueStarry Black, Ocean Blue
display
Refresh Rate90 Hz-
Resolution StandardHD+-
Screen size (inches)6.676.22
TouchscreenYesYes
Resolution720x1604 pixels720x1520 pixels
Protection typeOther-
hardware
Processorocta-coreocta-core
Processor makeQualcomm Snapdragon 6s Gen 1MediaTek Helio P22 (MT6762R)
RAM4GB2GB
Internal storage64GB, 128GB32MB
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/f/2.2) + 2-megapixel (f/f/2.4)
No. of Rear Cameras2-
Front camera5-megapixel (f/2.2)8-megapixel (f/f/1.8)
No. of Front Cameras1-
Rear flash-LED
Front flash-No
software
Operating systemAndroid 14Android 8.1
SkinColorOS 14Funtouch OS 4.5
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYes-
BluetoothYes, v 5.00Yes, v 5.00
USB OTGYes-
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cardsYesYes
NFC-No
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
Face unlock-Yes
Gyroscope-Yes

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