Oppo A3s vs Redmi Note 5 Pro vs Oppo A71 (2018) vs Oppo A83 (2018) comparison

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ratings
Overall NDTV Rating-Read Review--
Design Rating---
Display Rating---
Software Rating---
Performance Rating---
Battery Life Rating---
Camera Rating---
Value for Money Rating---
key specs
Display6.20-inch5.99-inch5.20-inch5.70-inch
Processor1.8GHz octa-core1.8GHz octa-core1.8GHz octa-core2.5GHz octa-core
Front Camera8-megapixel 20-megapixel 5-megapixel8-megapixel
Resolution720x1520 pixels1080x2160 pixels720x1280 pixels720x1440 pixels
RAM2GB4GB2GB4GB
OSAndroid 8.1 OreoAndroid 7.1.1Android 7.1Android 7.1
Storage16GB64GB16GB64GB
Rear Camera13-megapixel + 2-megapixel 12-megapixel + 5-megapixel 13-megapixel 13-megapixel
Battery Capacity4230mAh4000mAh3000mAh3180mAh
general
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.20 x 75.60 x 8.20158.60 x 75.40 x 8.05148.10 x 73.80 x 7.60150.50 x 73.10 x 7.70
Weight (g)168.00181.00137.00143.00
Battery capacity (mAh)4230400030003180
ColoursRed, Dark PurpleBlack, Gold, Lake Blue, Rose GoldBlack, Gold-
Release date-February 2018January 2018December 2017
Launched in India-Yes-Yes
Body type-Metal--
Removable battery-No--
SAR value-1.19--
display
Screen size (inches)6.205.995.205.70
TouchscreenYesYesYesYes
Resolution720x1520 pixels1080x2160 pixels720x1280 pixels720x1440 pixels
Aspect ratio19:918:916:918:9
Protection type-Gorilla Glass--
hardware
Processor1.8GHz octa-core1.8GHz octa-core1.8GHz octa-core2.5GHz octa-core
Processor makeSnapdragon 450Qualcomm Snapdragon 636Qualcomm Snapdragon 450MediaTek MT6737T
RAM2GB4GB2GB4GB
Internal storage16GB64GB16GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256128256256
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)12-megapixel (f/2.2, 1.25-micron) + 5-megapixel (f/2.0, 1.12-micron)13-megapixel (f/2.2, 1.12-micron)13-megapixel
Rear autofocusYesPhase detection autofocusPhase detection autofocus-
Rear flashLEDLEDLEDLED
Front camera8-megapixel (f/2.2)20-megapixel (f/2.2, 1.0-micron)5-megapixel8-megapixel
Front flash-LED--
software
Operating systemAndroid 8.1 OreoAndroid 7.1.1Android 7.1Android 7.1
SkinColorOS 5.1MIUI 9ColorOS 3.2ColorOS 3.2
connectivity
Wi-FiYesYesYesYes
GPSYesYes-Yes
BluetoothYes, v 4.20Yes, v 5.00Yes, v 4.20Yes, v 4.20
Micro-USBYesYesYes-
Headphones3.5mm3.5mm3.5mm3.5mm
Wi-Fi standards supported-802.11 b/g/n/ac802.11 b/g/n802.11 a/b/g/n
NFC-No-No
Infrared-No-No
USB OTG-YesYesYes
FM-YesYesYes
Number of SIMs-222
sensors
Compass/ MagnetometerYesYesYes-
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Face unlock-Yes--
3D face recognition-No--
Fingerprint sensor-Yes--
Ambient light sensor-YesYesYes
Gyroscope-Yes--
Barometer-No--
Temperature sensor-No--
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