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Redmi A4 5G vs Vivo Y91 comparison

 Compare Redmi A4 5G
Redmi A4 5G
Compare Vivo Y91
Vivo Y91
key specs
Display6.88-inch6.22-inch
ProcessorQualcomm Snapdragon 4s Gen 2MediaTek Helio P22
Front Camera5-megapixel 8-megapixel
Rear Camera50-megapixel + Unspecified13-megapixel + 2-megapixel
RAM4GB2GB
Storage64GB, 128GB32MB
Battery Capacity5160mAh4030mAh
OSAndroid 14Android 8.1
Resolution720x1640 pixels720x1520 pixels
general
BrandRedmiVivo
ModelA4 5GY91
Release dateNovember 20, 2024January 1, 2019
Launched in IndiaYesYes
Dimensions (mm)171.88 x 77.80 x 8.22155.11 x 75.09 x 8.28
Weight (g)212.35163.50
IP ratingIP52-
Battery capacity (mAh)51604030
Removable batteryNo-
Wireless chargingNo-
ColoursSparkling Purple, Starry BllackStarry Black, Ocean Blue
Form factor-Touchscreen
display
Refresh Rate120 Hz-
Resolution StandardHD+-
Screen size (inches)6.886.22
TouchscreenYesYes
Resolution720x1640 pixels720x1520 pixels
hardware
Processorocta-coreocta-core
Processor makeQualcomm Snapdragon 4s Gen 2MediaTek Helio P22 (MT6762R)
RAM4GB2GB
Internal storage64GB, 128GB32MB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)1-24256
Dedicated microSD slotYesYes
camera
Rear camera50-megapixel (f/1.8) + Unspecified13-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
SkinHyperOSFuntouch 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 Type-CYes-
Number of SIMs22
Active 4G on both SIM cardsYesYes
NFC-No
Micro-USB-Yes
Headphones-3.5mm
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sensors
Face unlock-Yes
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes
Gyroscope-Yes
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