Redmi Note 7S vs Vivo Y91 comparison

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ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.30-inch6.22-inch
ProcessorQualcomm Snapdragon 660MediaTek Helio P22
Front Camera13-megapixel 8-megapixel
Rear Camera48-megapixel + 5-megapixel13-megapixel + 2-megapixel
RAM3GB2GB
Storage32GB32MB
Battery Capacity4000mAh4030mAh
OSAndroid PieAndroid 8.1
Resolution1080x2340 pixels720x1520 pixels
general
BrandXiaomiVivo
ModelRedmi Note 7SY91
Release date20th May 2019January 2019
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Body typeGlass-
Dimensions (mm)159.21 x 75.21 x 8.10155.11 x 75.09 x 8.28
Weight (g)186.00163.50
Battery capacity (mAh)40004030
Removable batteryNo-
Fast chargingQuick Charge 4+-
ColoursOnyx Black, Ruby Red, Sapphire BlueStarry Black, Ocean Blue
SAR value1.60-
display
Screen size (inches)6.306.22
TouchscreenYesYes
Resolution1080x2340 pixels720x1520 pixels
Protection typeGorilla Glass-
Aspect ratio19.5:9-
Pixels per inch (PPI)409-
hardware
Processor2.2GHz octa-core (4x2.2GHz + 4x1.8GHz)octa-core
Processor makeQualcomm Snapdragon 660MediaTek Helio P22 (MTK6762R)
RAM3GB2GB
Internal storage32GB32MB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
Dedicated microSD slotNoYes
camera
Rear camera48-megapixel (f/1.79, 1.6-micron) + 5-megapixel13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)
Rear autofocusYes-
Rear flashLEDLED
Front camera13-megapixel (f/2.0, 1.12-micron)8-megapixel (f/f/1.8)
Front flashNoNo
software
Operating systemAndroid PieAndroid 8.1
SkinMIUI 10Funtouch OS 4.5
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYes-
BluetoothYes, v 5.00Yes, v 5.00
InfraredYes-
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
Face unlockYesYes
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
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