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Xiaomi Redmi 9 Prime vs Vivo Y91 (3GB RAM, 32GB) comparison

 Compare Xiaomi Redmi 9 Prime
Xiaomi Redmi 9 Prime (4GB RAM, 64GB)
Compare Vivo Y91 (3GB RAM, 32GB)
Vivo Y91 (3GB RAM, 32GB)
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.53-inch6.22-inch
ProcessorMediaTek Helio G80MediaTek Helio P22
Front Camera8-megapixel 8-megapixel
Rear Camera13-megapixel + 8-megapixel + 5-megapixel + 2-megapixel13-megapixel + 2-megapixel
RAM4GB3GB
Storage64GB32GB
Battery Capacity5020mAh4030mAh
OSAndroid 10Android 8.1
Resolution1080x2340 pixels720x1520 pixels
general
BrandXiaomiVivo
ModelRedmi 9 PrimeY91
Release dateAugust 4, 2020January 1, 2019
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)163.32 x 77.01 x 9.10155.11 x 75.09 x 8.28
Weight (g)198.00163.50
Battery capacity (mAh)50204030
Removable batteryNo-
ColoursSpace Blue, Mint Green, Matte Black, Sunrise FlareNebula Purple, Ocean Blue, Starry Black
display
Screen size (inches)6.536.22
TouchscreenYesYes
Resolution1080x2340 pixels720x1520 pixels
Protection typeGorilla Glass-
Aspect ratio19.5:9-
Pixels per inch (PPI)394-
hardware
Processor2GHz octa-coreocta-core
Processor makeMediaTek Helio G80MediaTek Helio P22 (MT6762R)
RAM4GB3GB
Internal storage64GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512256
Dedicated microSD slotYesYes
camera
Rear camera13-megapixel (f/2.2) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4) + 2-megapixel13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)
Front camera8-megapixel (f/2.0)8-megapixel (f/f/1.8)
Rear flash-LED
Front flash-No
software
Operating systemAndroid 10Android 8.1
SkinMIUI 11Funtouch OS 4.5
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYes-
BluetoothYes, v 5.00Yes, v 5.00
NFCYesNo
InfraredYes-
USB Type-CYes-
Headphones3.5mm3.5mm
FMYes-
Number of SIMs22
Wi-Fi DirectYes-
Active 4G on both SIM cardsYesYes
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
Face unlockYesYes
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes

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