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Oppo A3s vs Vivo Y81 vs Redmi 6 comparison

 Compare Oppo A3s
Oppo A3s
Compare Vivo Y81
Vivo Y81
Compare Redmi 6
Redmi 6
key specs
Display6.20-inch6.22-inch5.45-inch
ProcessorQualcomm Snapdragon 450MediaTek Helio P22 MediaTek Helio P22
Front Camera8-megapixel 5-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel 13-megapixel 12-megapixel + 5-megapixel
RAM2GB3GB3GB
Storage16GB32GB32GB
Battery Capacity4230mAh3260mAh3000mAh
OSAndroid 8.1 OreoAndroid 8.1Android 8.1 Oreo
Resolution720x1520 pixels720x1520 pixels720x1440 pixels
general
BrandOppoVivoXiaomi
ModelA3sY81Redmi 6
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.20 x 75.60 x 8.20155.06 x 75.00 x 7.77147.50 x 71.50 x 8.30
Weight (g)168.00146.50146.00
Battery capacity (mAh)423032603000
ColoursRed, Dark PurpleBlackLake Blue, Gold, Rose Gold, Black
Release date-June 1, 2018June 1, 2018
Launched in India-YesYes
Body type-PlasticPlastic
Removable battery--No
Wireless charging--No
display
Screen size (inches)6.206.225.45
TouchscreenYesYesYes
Resolution720x1520 pixels720x1520 pixels720x1440 pixels
Aspect ratio19:919:918:9
Pixels per inch (PPI)-270295
hardware
Processor1.8GHz octa-core2GHz octa-core2GHz octa-core (8x2GHz)
Processor makeQualcomm Snapdragon 450MediaTek Helio P22 (MT6762)MediaTek Helio P22 (MT6762)
RAM2GB3GB3GB
Internal storage16GB32GB32GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256
Dedicated microSD slot--Yes
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel (f/2.2)12-megapixel (f/2.2, 1.25-micron) + 5-megapixel
Rear autofocusYesPhase detection autofocusPhase detection autofocus
Rear flashLEDLEDLED
Front camera8-megapixel (f/2.2)5-megapixel (f/2.2)5-megapixel (f/2.2, 1.12-micron)
Front flash--No
software
Operating systemAndroid 8.1 OreoAndroid 8.1Android 8.1 Oreo
SkinColorOS 5.1FunTouch OS 4.0MIUI 9.6
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 5.00Yes, v 4.20
Micro-USBYesYesYes
Headphones3.5mm3.5mm3.5mm
Wi-Fi DirectYesYes-
Wi-Fi standards supported-802.11 b/g/n802.11 b/g/n
Number of SIMs-22
NFC--No
Infrared--No
USB OTG--Yes
USB Type-C--No
FM--Yes
Active 4G on both SIM cards--Yes
sensors
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Face unlock--Yes
3D face recognition--No
Fingerprint sensor--Yes
Ambient light sensor--Yes
Gyroscope--No
sim 1
SIM Type-Nano-SIMNano-SIM
GSM/CDMA-GSMGSM
3G-YesYes
4G/ LTE-YesYes
sim 2
SIM Type-Nano-SIMNano-SIM
GSM/CDMA-GSMGSM
3G-YesYes
4G/ LTE-YesYes
ratings
Overall NDTV Rating--Read Review
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--

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