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Samsung Galaxy A6 vs Oppo A3 vs Samsung Galaxy J7 Duo comparison

 Compare Samsung Galaxy A6
Samsung Galaxy A6
Compare Oppo A3
Oppo A3
Compare Samsung Galaxy J7 Duo
Samsung Galaxy J7 Duo
key specs
Display5.60-inch6.20-inch5.50-inch
Processor1.6GHz octa-coreMediaTek Helio P60 Samsung Exynos 7885
Front Camera16-megapixel8-megapixel 8-megapixel
Rear Camera16-megapixel16-megapixel 13-megapixel + 5-megapixel
RAM3GB4GB4GB
Storage32GB128GB32GB
Battery Capacity3000mAh3400mAh3000mAh
OSAndroid 8.0Android 8.1Android Oreo
Resolution720x1480 pixels1080x2280 pixels720x1280 pixels
general
BrandSamsungOppoSamsung
ModelGalaxy A6A3Galaxy J7 Duo
Release dateMay 1, 2018April 1, 2018March 1, 2018
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)149.90 x 70.90 x 7.70156.00 x 75.30 x 7.80153.50 x 77.20 x 8.20
Battery capacity (mAh)300034003000
Weight (g)-159.00174.00
Colours-Knight Black, Soybean Meal, Stardust Silver, Garnet RedBlack and Gold
Launched in India--Yes
display
Screen size (inches)5.606.205.50
TouchscreenYesYesYes
Resolution720x1480 pixels1080x2280 pixels720x1280 pixels
Aspect ratio-19:916:9
Pixels per inch (PPI)--267
hardware
Processor1.6GHz octa-core2GHz octa-coreocta-core (2x2.2GHz + 6x1.6GHz)
RAM3GB4GB4GB
Internal storage32GB128GB32GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256
Processor make-MediaTek Helio P60 (MT6771)Samsung Exynos 7885
camera
Rear camera16-megapixel16-megapixel (f/1.8)13-megapixel (f/1.9) + 5-megapixel (f/1.9)
Rear flashLEDYesLED
Front camera16-megapixel8-megapixel (f/2.2)8-megapixel (f/1.9)
Rear autofocus--Yes
Front flash--LED
software
Operating systemAndroid 8.0Android 8.1Android Oreo
Skin-ColorOS 5.0-
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 a/b/g/n-802.11 a/b/g/n/ac
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 5.00
USB OTG-Yes-
Headphones-3.5mm-
Number of SIMs-22
NFC--No
FM--Yes
sim 1
SIM Type-Nano-SIM-
GSM/CDMA-GSM-
3G-Yes-
4G/ LTE-Yes-
sim 2
SIM Type-Nano-SIM-
GSM/CDMA-GSM-
3G-Yes-
4G/ LTE-Yes-
sensors
Proximity sensor-YesYes
Ambient light sensor-Yes-
Gyroscope-Yes-
Fingerprint sensor--Yes
Compass/ Magnetometer--No
Accelerometer--Yes

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