Samsung Galaxy J2 Core vs Oppo A3s vs Xiaomi Redmi Note 4 comparison

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ratings
Overall NDTV RatingRead Review-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display5.00-inch6.20-inch5.50-inch
Processor1.4GHz quad-core1.8GHz octa-core2GHz octa-core
Front Camera5-megapixel 8-megapixel 5-megapixel
Resolution540x960 pixels720x1520 pixels1080x1920 pixels
RAM1GB2GB4GB
OSAndroid 8.1 Oreo (Go edition)Android 8.1 OreoAndroid 6.0
Storage8GB16GB64GB
Rear Camera8-megapixel 13-megapixel + 2-megapixel 13-megapixel
Battery Capacity2600mAh4230mAh4100mAh
general
Release dateAugust 2018-August 2016
Launched in IndiaYes-Yes
Form factorTouchscreenTouchscreenTouchscreen
Body typePlastic--
Dimensions (mm)143.40 x 72.10 x 8.90156.20 x 75.60 x 8.20151.00 x 76.00 x 8.30
Weight (g)154.00168.00175.00
Battery capacity (mAh)260042304100
Removable batteryYes-No
ColoursGold, Blue,Red, Dark PurpleGold, Grey, Matte Black
display
Screen size (inches)5.006.205.50
TouchscreenYesYesYes
Resolution540x960 pixels720x1520 pixels1080x1920 pixels
Aspect ratio16:919:916:9
Pixels per inch (PPI)--401
hardware
Processor1.4GHz quad-core1.8GHz octa-core2GHz octa-core
Processor makeExynos 7570Snapdragon 450Qualcomm Snapdragon 625
RAM1GB2GB4GB
Internal storage8GB16GB64GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Dedicated microSD slotYes--
Expandable storage up to (GB)-256128
camera
Rear camera8-megapixel (f/2.2)13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel (f/2.0, 1.12-micron)
Rear autofocusYesYesPhase detection autofocus
Rear flashLEDLEDDual LED
Front camera5-megapixel (f/2.2)8-megapixel (f/2.2)5-megapixel (f/2.0)
software
Operating systemAndroid 8.1 Oreo (Go edition)Android 8.1 OreoAndroid 6.0
Skin-ColorOS 5.1MIUI 8
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 4.10
Micro-USBYesYesYes
Headphones3.5mm3.5mm3.5mm
Number of SIMs2-2
Active 4G on both SIM cardsNo--
Wi-Fi standards supported--802.11 a/b/g/n
NFC--No
Infrared--Yes
USB OTG--Yes
FM--Yes
sim 1
SIM TypeMicro-SIM-Micro-SIM
GSM/CDMAGSM-GSM
3GYes-Yes
4G/ LTEYes-Yes
sim 2
SIM TypeMicro-SIM-Nano-SIM
GSM/CDMAGSM-GSM
3GYes-Yes
4G/ LTEYes-Yes
sensors
Proximity sensorYesYesYes
AccelerometerYesYesYes
Compass/ Magnetometer-YesYes
Fingerprint sensor--Yes
Ambient light sensor--Yes
Gyroscope--Yes
Barometer--No
Temperature sensor--No