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Vivo Y91 vs Xiaomi Redmi Note 4 comparison

 Compare Vivo Y91
Vivo Y91
Compare Xiaomi Redmi Note 4
Xiaomi Redmi Note 4
key specs
Display6.22-inch5.50-inch
ProcessorMediaTek Helio P22 Qualcomm Snapdragon 625
Front Camera8-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel 13-megapixel
RAM2GB4GB
Storage32MB64GB
Battery Capacity4030mAh4100mAh
OSAndroid 8.1Android 6.0
Resolution720x1520 pixels1080x1920 pixels
general
BrandVivoXiaomi
ModelY91Redmi Note 4
Release dateJanuary 1, 2019August 1, 2016
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)155.11 x 75.09 x 8.28151.00 x 76.00 x 8.30
Weight (g)163.50175.00
Battery capacity (mAh)40304100
ColoursStarry Black, Ocean BlueGold, Grey, Matte Black
Removable battery-No
display
Screen size (inches)6.225.50
TouchscreenYesYes
Resolution720x1520 pixels1080x1920 pixels
Aspect ratio-16:9
Pixels per inch (PPI)-401
hardware
Processorocta-core2GHz octa-core
Processor makeMediaTek Helio P22 (MT6762R)Qualcomm Snapdragon 625
RAM2GB4GB
Internal storage32MB64GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256128
Dedicated microSD slotYes-
camera
Rear camera13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)13-megapixel (f/2.0, 1.12-micron)
Rear flashLEDDual LED
Front camera8-megapixel (f/f/1.8)5-megapixel (f/2.0)
Front flashNo-
Rear autofocus-Phase detection autofocus
software
Operating systemAndroid 8.1Android 6.0
SkinFuntouch OS 4.5MIUI 8
connectivity
Wi-FiYesYes
BluetoothYes, v 5.00Yes, v 4.10
NFCNoNo
Micro-USBYesYes
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
Wi-Fi standards supported-802.11 a/b/g/n
GPS-Yes
Infrared-Yes
USB OTG-Yes
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Face unlockYes-
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Barometer-No
Temperature sensor-No
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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