Vivo Y91 vs Samsung Galaxy On8 (2018) vs Oppo A3 comparison

Compare Vivo Y91
Compare Samsung Galaxy On8 (2018)
Compare Oppo A3s
key specs
Display6.22-inch6.00-inch6.20-inch
ProcessorMediaTek Helio P22 Qualcomm Snapdragon 450Qualcomm Snapdragon 450
Front Camera8-megapixel 16-megapixel 8-megapixel
Rear Camera13-megapixel + 2-megapixel 16-megapixel + 5-megapixel 13-megapixel + 2-megapixel
RAM2GB4GB2GB
Storage32MB64GB16GB
Battery Capacity4030mAh3500mAh4230mAh
OSAndroid 8.1Android 8.0Android 8.1 Oreo
Resolution720x1520 pixels720x1480 pixels720x1520 pixels
general
BrandVivoSamsungOppo
ModelY91Galaxy On8 (2018)A3s
Release dateJanuary 1, 2019August 1, 2018-
Launched in IndiaYesYes-
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)155.11 x 75.09 x 8.28-156.20 x 75.60 x 8.20
Weight (g)163.50-168.00
Battery capacity (mAh)403035004230
ColoursStarry Black, Ocean BlueBlack, BlueRed, Dark Purple
display
Screen size (inches)6.226.006.20
TouchscreenYesYesYes
Resolution720x1520 pixels720x1480 pixels720x1520 pixels
Aspect ratio-18.5:919:9
hardware
Processorocta-coreocta-core1.8GHz octa-core
Processor makeMediaTek Helio P22 (MT6762R)Qualcomm Snapdragon 450Qualcomm Snapdragon 450
RAM2GB4GB2GB
Internal storage32MB64GB16GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256
Dedicated microSD slotYes--
camera
Rear camera13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)16-megapixel (f/1.7) + 5-megapixel (f/1.9)13-megapixel (f/2.2) + 2-megapixel (f/2.4)
Rear flashLEDLEDLED
Front camera8-megapixel (f/f/1.8)16-megapixel (f/1.9)8-megapixel (f/2.2)
Front flashNo--
Rear autofocus--Yes
software
Operating systemAndroid 8.1Android 8.0Android 8.1 Oreo
SkinFuntouch OS 4.5Samsung Experience UXColorOS 5.1
connectivity
Wi-FiYesYesYes
BluetoothYes, v 5.00YesYes, v 4.20
NFCNo--
Micro-USBYesYesYes
Headphones3.5mm3.5mm3.5mm
Number of SIMs22-
Active 4G on both SIM cardsYes--
GPS-YesYes
FM-Yes-
Wi-Fi Direct--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 unlockYes--
Fingerprint sensorYes--
Compass/ MagnetometerYes-Yes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesNo-
GyroscopeYes--

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