Oppo R17 Pro vs Vivo Y81 vs Samsung Galaxy J6 vs Samsung Galaxy J7 comparison

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ratings
Overall NDTV Rating---
Design Rating---
Display Rating---
Software Rating---
Performance Rating---
Battery Life Rating---
Camera Rating---
Value for Money Rating---
general
Release dateAugust 2018June 2018May 2018June 2015
Launched in IndiaNoYesYesYes
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)157.60 x 74.60 x 7.90155.06 x 75.00 x 7.77149.30 x 70.20 x 8.20152.40 x 78.60 x 7.50
Weight (g)183.00146.50154.00171.00
Battery capacity (mAh)3700326030003000
Removable batteryYes-NoYes
Fast chargingSuper VOOC---
ColoursFog GradientBlackBlack, Blue, GoldBlack, White, Gold
Body type-PlasticPlasticPlastic
display
Screen size (inches)6.406.225.605.50
TouchscreenYesYesYesYes
Resolution1080x2340 pixels720x1520 pixels720x1480 pixels720x1280 pixels
Protection typeGorilla Glass-Gorilla Glass-
Aspect ratio19.5:919:918.5:916:9
Pixels per inch (PPI)-270293-
hardware
Processor2.2GHz octa-core (2x2.2GHz + 6x1.7GHz)2GHz octa-core1.6GHz octa-core1.5GHz octa-core
Processor makeQualcomm Snapdragon 710MediaTek MT6762Exynos 7870Samsung Exynos 7580
RAM8GB3GB3GB1.5GB
Internal storage128GB32GB32GB16GB
Expandable storageYesYesYesYes
Expandable storage type-microSDmicroSDmicroSD
Expandable storage up to (GB)-256256128
camera
Rear camera12-megapixel (f/1.5-2.4, 1.4-micron) + 20-megapixel (f/2.6)13-megapixel (f/2.2)13-megapixel (f/1.9)13-megapixel (f/1.9)
Rear autofocusPhase detection autofocusPhase detection autofocusYesYes
Rear flashLEDLEDLEDLED
Front camera25-megapixel (f/2.0)5-megapixel (f/2.2)8-megapixel (f/1.9)5-megapixel (f/2.2)
Front flash--LEDLED
software
Operating systemAndroid 8.1 OreoAndroid 8.1Android 8.0Android 5.1
SkinColorOS 5.2FunTouch OS 4.0Samsung Experience 9.0TouchWiz UI
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
Bluetooth5.00Yes, v 5.00Yes, v 4.20Yes, v 4.10
NFCYes--No
USB Type-CYes---
Number of SIMs2222
Wi-Fi standards supported-802.11 b/g/n802.11 b/g/n802.11 b/g/n
Micro-USB-YesYesYes
Headphones-3.5mm3.5mm3.5mm
FM--YesYes
Infrared---No
USB OTG---Yes
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMMicro-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMMicro-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesNo
sensors
Fingerprint sensorYes-Yes-
Compass/ MagnetometerYesYes-No
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYes--No
GyroscopeYes--No
Barometer---No
Temperature sensor---No