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Vivo Y91i vs Lava Z81 comparison

 Compare Vivo Y91i
Vivo Y91i
Compare Lava Z81
Lava Z81
key specs
Display6.22-inch5.70-inch
ProcessorMediaTek Helio P22 MediaTek Helio A22
Front Camera5-megapixel 13-megapixel
Rear Camera13-megapixel 13-megapixel
RAM2GB2GB
Storage16GB32GB
Battery Capacity4030mAh3000mAh
OSAndroid 8.1Android 8.1 Oreo
Resolution720x1520 pixels720x1440 pixels
general
BrandVivoLava
ModelY91iZ81
Release dateMarch 1, 2019November 1, 2018
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)155.11 x 75.09 x 8.28152.20 x 73.00 x 7.90
Weight (g)163.50141.60
Battery capacity (mAh)40303000
ColoursFusion Black, Ocean BlueBlack and Gold
display
Screen size (inches)6.225.70
TouchscreenYesYes
Resolution720x1520 pixels720x1440 pixels
Aspect ratio19:918:9
Protection type-Gorilla Glass
Pixels per inch (PPI)-282
hardware
Processorocta-core2GHz quad-core
Processor makeMediaTek Helio P22 (MT6762)MediaTek Helio A22 (MT6761)
RAM2GB2GB
Internal storage16GB32GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)-128
camera
Rear camera13-megapixel (f/2.2)13-megapixel
Rear autofocusYes-
Rear flashYes-
Front camera5-megapixel (f/1.8)13-megapixel
software
Operating systemAndroid 8.1Android 8.1 Oreo
SkinFuntouch OS 4.5Star OS 5.0
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.10
USB OTGYes-
Micro-USBYesYes
Headphones3.5mm-
FMYesYes
Number of SIMs22
Wi-Fi standards supported-802.11 b/g/n
Active 4G on both SIM cards-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 sensorNoYes
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes-

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