Vivo Y91 vs Micromax X640 comparison

Compare Vivo Y91
Compare Micromax X640
key specs
Display6.22-inch3.20-inch
ProcessorMediaTek Helio P22 one-core
Front Camera8-megapixel No
Rear Camera13-megapixel + 2-megapixel 2-megapixel
RAM2GB-
Storage32MB-
Battery Capacity4030mAh950mAh
OSAndroid 8.1Proprietary
Resolution720x1520 pixels240x400 pixels
general
BrandVivoMicromax
ModelY91X640
Release dateJanuary 2019May 2012
Launched in IndiaYes-
Form factorTouchscreenSlate
Dimensions (mm)155.11 x 75.09 x 8.28113.50 x 57.50 x 12.20
Weight (g)163.50-
Battery capacity (mAh)4030950
ColoursStarry Black, Ocean BlueBlack, Yellow
Removable battery-Yes
display
Screen size (inches)6.223.20
TouchscreenYesYes
Resolution720x1520 pixels240x400 pixels
hardware
Processorocta-coreone-core
Processor makeMediaTek Helio P22 (MT6762R)-
RAM2GB-
Internal storage32MB-
Expandable storageYesNo
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256-
Dedicated microSD slotYes-
camera
Rear camera13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)2-megapixel
Rear flashLEDNo
Front camera8-megapixel (f/f/1.8)No
Front flashNo-
software
Operating systemAndroid 8.1Proprietary
SkinFuntouch OS 4.5NA
connectivity
Wi-FiYesYes
BluetoothYes, v 5.00Yes
NFCNoNo
Micro-USBYes-
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
GPS-No
Infrared-No
USB OTG-No
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMRegular
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesNo
sim 2
SIM TypeNano-SIMRegular
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesNo
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesNo
AccelerometerYesNo
Ambient light sensorYesNo
GyroscopeYesNo
Barometer-No
Temperature sensor-No
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