Vivo Y81 vs Oppo A3 vs Oppo A71 (2018) vs Vivo Y69 comparison

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key specs
Display6.22-inch6.20-inch5.20-inch5.50-inch
ProcessorMediaTek Helio P22 MediaTek Helio P60 Qualcomm Snapdragon 450MediaTek MT6570
Front Camera5-megapixel 8-megapixel 5-megapixel16-megapixel
Rear Camera13-megapixel 16-megapixel 13-megapixel 13-megapixel
RAM3GB4GB3GB3GB
Storage32GB128GB16GB32GB
Battery Capacity3260mAh3400mAh3000mAh3000mAh
OSAndroid 8.1Android 8.1Android 7.1Android 7.0
Resolution720x1520 pixels1080x2280 pixels720x1280 pixels720x1280 pixels
general
BrandVivoOppoOppoVivo
ModelY81A3A71 (2018)Y69
Release dateJune 1, 2018April 1, 2018January 1, 2018August 1, 2017
Launched in IndiaYes--Yes
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Body typePlastic---
Dimensions (mm)155.06 x 75.00 x 7.77156.00 x 75.30 x 7.80148.10 x 73.80 x 7.60154.60 x 75.70 x 7.70
Weight (g)146.50159.00137.00162.80
Battery capacity (mAh)3260340030003000
ColoursBlackKnight Black, Soybean Meal, Stardust Silver, Garnet RedBlack, GoldChampagne Gold, Matte Black
Removable battery---No
display
Screen size (inches)6.226.205.205.50
TouchscreenYesYesYesYes
Resolution720x1520 pixels1080x2280 pixels720x1280 pixels720x1280 pixels
Aspect ratio19:919:916:916:9
Pixels per inch (PPI)270--267
hardware
Processor2GHz octa-core2GHz octa-core1.8GHz octa-coreocta-core (4x1.5GHz + 4x1GHz)
Processor makeMediaTek Helio P22 (MT6762)MediaTek Helio P60 (MT6771)Qualcomm Snapdragon 450MediaTek MT6570
RAM3GB4GB3GB3GB
Internal storage32GB128GB16GB32GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256256
camera
Rear camera13-megapixel (f/2.2)16-megapixel (f/1.8)13-megapixel (f/2.2, 1.12-micron)13-megapixel (f/2.2)
Rear autofocusPhase detection autofocus-Phase detection autofocusYes
Rear flashLEDYesLEDLED
Front camera5-megapixel (f/2.2)8-megapixel (f/2.2)5-megapixel16-megapixel (f/2.0)
software
Operating systemAndroid 8.1Android 8.1Android 7.1Android 7.0
SkinFunTouch OS 4.0ColorOS 5.0ColorOS 3.2FunTouch OS 3.2
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 b/g/n-802.11 b/g/n802.11 a/b/g/n
GPSYesYes-Yes
BluetoothYes, v 5.00Yes, v 4.20Yes, v 4.20Yes, v 4.20
Micro-USBYes-YesYes
Headphones3.5mm3.5mm3.5mm3.5mm
Number of SIMs2222
Wi-Fi DirectYes--No
USB OTG-YesYesYes
FM--YesYes
NFC---No
Infrared---No
Mobile High-Definition Link (MHL)---No
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Compass/ MagnetometerYes-YesYes
Proximity sensorYesYesYesYes
AccelerometerYes-YesYes
Ambient light sensor-YesYesYes
Gyroscope-Yes-Yes
Fingerprint sensor---Yes
Barometer---No
Temperature sensor---No

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