Vivo Y91 vs Samsung Galaxy A3 Duo comparison

Compare Vivo Y91
Compare Samsung Galaxy A3 Duos
key specs
Display6.22-inch4.50-inch
ProcessorMediaTek Helio P22 1.2GHz quad-core
Front Camera8-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel 8-megapixel
RAM2GB1GB
Storage32MB16GB
Battery Capacity4030mAh1900mAh
OSAndroid 8.1Android 4.4
Resolution720x1520 pixels540x960 pixels
general
BrandVivoSamsung
ModelY91Galaxy A3 Duos
Release dateJanuary 1, 2019February 1, 2015
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)155.11 x 75.09 x 8.28130.10 x 65.50 x 6.90
Weight (g)163.50110.30
Battery capacity (mAh)40301900
ColoursStarry Black, Ocean BlueBlue, White, Gold
Removable battery-No
display
Screen size (inches)6.224.50
TouchscreenYesYes
Resolution720x1520 pixels540x960 pixels
hardware
Processorocta-core1.2GHz quad-core
Processor makeMediaTek Helio P22 (MT6762R)-
RAM2GB1GB
Internal storage32MB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)25664
Dedicated microSD slotYes-
camera
Rear camera13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)8-megapixel
Rear flashLEDLED
Front camera8-megapixel (f/f/1.8)5-megapixel
Front flashNo-
software
Operating systemAndroid 8.1Android 4.4
SkinFuntouch OS 4.5-
connectivity
Wi-FiYesYes
BluetoothYes, v 5.00Yes, v 4.00
NFCNoYes
Micro-USBYes-
Headphones3.5mm3.5mm
Number of SIMs22
Active 4G on both SIM cardsYes-
Wi-Fi standards supported-802.11 b/g/n
GPS-Yes
Infrared-No
USB OTG-No
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesNo
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesNo
GyroscopeYesNo
Barometer-No
Temperature sensor-No

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