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Vivo Y91 vs Oppo A71 (3GB RAM, 16GB) comparison

 Compare Vivo Y91
Vivo Y91 (2GB RAM, 32GB)
Compare Oppo A71 (3GB RAM, 16GB)
Oppo A71 (3GB RAM, 16GB)
key specs
Display6.22-inch5.20-inch
ProcessorMediaTek Helio P22 MediaTek MT6750
Front Camera8-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel 13-megapixel
RAM2GB3GB
Storage32MB16GB
Battery Capacity4030mAh3000mAh
OSAndroid 8.1Android 7.1
Resolution720x1520 pixels720x1280 pixels
general
BrandVivoOppo
ModelY91A71
Release dateJanuary 1, 2019September 1, 2017
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)155.11 x 75.09 x 8.28148.10 x 73.80 x 7.60
Weight (g)163.50137.00
Battery capacity (mAh)40303000
ColoursStarry Black, Ocean BlueBlack, Blue, Gold, White
Removable battery-No
display
Screen size (inches)6.225.20
TouchscreenYesYes
Resolution720x1520 pixels720x1280 pixels
Aspect ratio-16:9
Pixels per inch (PPI)-282
hardware
Processorocta-coreocta-core (4x1.5GHz + 4x1GHz)
Processor makeMediaTek Helio P22 (MT6762R)MediaTek MT6750
RAM2GB3GB
Internal storage32MB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
Dedicated microSD slotYes-
camera
Rear camera13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)13-megapixel (f/2.2)
Rear flashLEDLED
Front camera8-megapixel (f/f/1.8)5-megapixel (f/2.4)
Front flashNo-
Rear autofocus-Phase detection autofocus
software
Operating systemAndroid 8.1Android 7.1
SkinFuntouch OS 4.5Color OS
connectivity
Wi-FiYesYes
BluetoothYes, v 5.00Yes, v 4.00
NFCNoNo
Micro-USBYesYes
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-Yes
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/ LTEYesYes
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesNo
Barometer-No
Temperature sensor-No

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