Oppo A3s vs Realme 1 vs Vivo Y71 vs Oppo A83 comparison

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key specs
Display6.20-inch6.00-inch6.00-inch5.70-inch
ProcessorQualcomm Snapdragon 450MediaTek Helio P60 Qualcomm Snapdragon 425MediaTek MT6737T
Front Camera8-megapixel 8-megapixel 5-megapixel8-megapixel
Rear Camera13-megapixel + 2-megapixel 13-megapixel 13-megapixel13-megapixel
RAM2GB6GB3GB3GB
Storage16GB128GB16GB32GB
Battery Capacity4230mAh3410mAh3360mAh3180mAh
OSAndroid 8.1 OreoAndroid 8.1Android 8.1 OreoAndroid 7.1
Resolution720x1520 pixels1080x2160 pixels720x1440 pixels720x1440 pixels
general
BrandOppoRealmeVivoOppo
ModelA3s1Y71A83
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.20 x 75.60 x 8.20156.00 x 75.20 x 7.80155.90 x 75.70 x 7.80150.50 x 73.10 x 7.70
Weight (g)168.00155.00150.00143.00
Battery capacity (mAh)4230341033603180
ColoursRed, Dark PurpleDiamond Black, Moonlight Silver, Solar RedBlack, GoldChampagne, Black
Release date-May 1, 2018April 1, 2018December 1, 2017
Launched in India-YesYes-
display
Screen size (inches)6.206.006.005.70
TouchscreenYesYesYesYes
Resolution720x1520 pixels1080x2160 pixels720x1440 pixels720x1440 pixels
Aspect ratio19:918:918:918:9
Pixels per inch (PPI)-402--
hardware
Processor1.8GHz octa-coreocta-core (4x2GHz + 4x2GHz)1.4GHz quad-core2.5GHz octa-core
Processor makeQualcomm Snapdragon 450MediaTek Helio P60 (MT6771)Qualcomm Snapdragon 425MediaTek MT6737T
RAM2GB6GB3GB3GB
Internal storage16GB128GB16GB32GB
Expandable storageYesYes-Yes
Expandable storage typemicroSDmicroSD-microSD
Expandable storage up to (GB)256256-256
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel (f/2.2)13-megapixel13-megapixel
Rear autofocusYesPhase detection autofocus--
Rear flashLEDLED-LED
Front camera8-megapixel (f/2.2)8-megapixel (f/2.2)5-megapixel8-megapixel
Front flash-No--
software
Operating systemAndroid 8.1 OreoAndroid 8.1Android 8.1 OreoAndroid 7.1
SkinColorOS 5.1ColorOS 5.0FunTouch OSColorOS 3.2
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 4.20Yes, v 4.20
Micro-USBYesYesYesYes
Headphones3.5mm3.5mm3.5mm3.5mm
Wi-Fi DirectYes-Yes-
Wi-Fi standards supported-802.11 b/g/n802.11 b/g/n802.11 a/b/g/n
USB OTG-Yes-Yes
FM-YesYesYes
Number of SIMs-222
NFC---No
Infrared---No
sensors
Compass/ MagnetometerYesYesYes-
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensor-YesYesYes
Gyroscope-YesYes-
Face unlock---Yes
ratings
Overall NDTV Rating-Read Review-Read Review
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
sim 1
SIM Type-Nano-SIMNano-SIMNano-SIM
GSM/CDMA-GSMGSMGSM
3G-YesYesYes
4G/ LTE-YesYesYes
sim 2
SIM Type-Nano-SIMNano-SIMNano-SIM
GSM/CDMA-GSMGSMGSM
3G-YesYesYes
4G/ LTE-YesYesYes
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