Samsung Galaxy J7 (2018) vs Samsung Galaxy J3 (2018) vs Samsung Galaxy A9 Star Lite vs Samsung Galaxy J7 Prime 2 comparison

Compare Samsung Galaxy J7 (2018)
Compare Samsung Galaxy J3 (2018)
Compare Samsung Galaxy A9 Star Lite
Compare Samsung Galaxy J7 Prime 2
general
Release dateJune 2018June 2018June 2018March 2018
Form factorTouchscreenTouchscreen-Touchscreen
Dimensions (mm)--162.20 x 75.70 x 7.90151.70 x 75.00 x 8.00
Weight (g)--191.00170.00
Battery capacity (mAh)--35003300
Colours--Black, BlueBlack
display
Screen size (inches)5.505.006.005.50
TouchscreenYesYesYesYes
Resolution720x1080 pixels720x1080 pixels1880x2220 pixels1080x1920 pixels
hardware
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Processor--1.8GHz octa-core1.6GHz octa-core
Processor make--Snapdragon 450Exynos 7 Series
RAM--4GB3GB
Internal storage--64GB32GB
Expandable storage up to (GB)--256256
camera
Rear camera13-megapixel8-megapixel16-megapixel13-megapixel
Rear FlashLEDLEDLEDLED
Front camera13-megapixel5-megapixel24-megapixel13-megapixel
Front Flash--LED-
software
Operating SystemAndroidAndroidAndroid 8.0Android 7.0
connectivity
Wi-FiYesYesYesYes
BluetoothYesYesYes, v 4.20Yes, v 4.10
Number of SIMs2-22
Wi-Fi standards supported--802.11 a/b/g/n802.11 b/g/n
GPS--YesYes
Headphones--3.5mmYes
sim 1
SIM TypeNano-SIM--Nano-SIM
GSM/CDMAGSM-GSM + CDMAGSM
3GYes--Yes
4G/ LTEYes--Yes
sim 2
SIM TypeNano-SIM---
GSM/CDMAGSM-GSM + CDMA-
3GYes---
4G/ LTEYes---
sensors
AccelerometerYesYes-Yes
Proximity sensor---Yes