Vivo Y91i vs Vivo Y71i vs Xiaomi Redmi 6 Pro comparison

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ratings
Overall NDTV Rating--Read Review
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
key specs
Display6.22-inch6.00-inch5.84-inch
Processorocta-core1.4GHz quad-core2GHz octa-core
Front Camera5-megapixel 5-megapixel 5-megapixel
Resolution720x1520 pixels720x1440 pixels1080x2280 pixels
RAM2GB2GB4GB
OSAndroid 8.1Android 8.1 OreoAndroid 8.1 Oreo
Storage16GB16GB64GB
Rear Camera13-megapixel 8-megapixel 12-megapixel + 5-megapixel
Battery Capacity4030mAh3285mAh4000mAh
general
Release dateMarch 2019July 2018September 2018
Launched in IndiaYesYesYes
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)155.11 x 75.09 x 8.28155.87 x 75.74 x 7.80149.33 x 71.68 x 8.75
Weight (g)163.50150.00178.00
Battery capacity (mAh)403032854000
ColoursFusion Black, Ocean Blue-Gold, Blue, Black, Red
Body type--Metal
Removable battery--No
Wireless charging--No
SAR value--0.96
display
Screen size (inches)6.226.005.84
TouchscreenYesYesYes
Resolution720x1520 pixels720x1440 pixels1080x2280 pixels
Aspect ratio19:918:919:9
Pixels per inch (PPI)-269432
hardware
Processorocta-core1.4GHz quad-core2GHz octa-core (8x2GHz)
Processor makeMediaTek Helio P22Qualcomm Snapdragon 425Qualcomm Snapdragon 625
RAM2GB2GB4GB
Internal storage16GB16GB64GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)-256256
Dedicated microSD slot--Yes
camera
Rear camera13-megapixel (f/2.2)8-megapixel (f/1.0)12-megapixel (f/2.2, 1.25-micron) + 5-megapixel
Rear autofocusYes-Phase detection autofocus
Rear flashYes-LED
Front camera5-megapixel (f/1.8)5-megapixel (f/2.2)5-megapixel
Front flash--No
software
Operating systemAndroid 8.1Android 8.1 OreoAndroid 8.1 Oreo
SkinFuntouch OS 4.5FunTouch OSMIUI 9.6
connectivity
Wi-FiYes-Yes
GPSYes-Yes
BluetoothYes, v 5.00Yes, v 4.20Yes, v 4.20
USB OTGYesNoYes
Micro-USBYes-Yes
Headphones3.5mm-3.5mm
FMYes-Yes
Number of SIMs2-2
Wi-Fi standards supported--802.11 a/b/g/n
NFC--No
Infrared--Yes
USB Type-C--No
Active 4G on both SIM cards--No
sim 1
SIM TypeNano-SIM-Nano-SIM
GSM/CDMAGSM-GSM
3GYes-Yes
4G/ LTEYes-Yes
sim 2
SIM TypeNano-SIM-Nano-SIM
GSM/CDMAGSM-GSM
3GYes-Yes
4G/ LTEYes-Yes
sensors
Face unlockYes-Yes
Fingerprint sensorNo-Yes
Compass/ MagnetometerYes-Yes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYes-Yes
3D face recognition--No