Samsung

CPU: 1.6GHz octa-core

RAM: 3GB

ROM: 16GB of Internal Storage

OS: 5.1 Android Version

Camera: 13MP Back Camera.

CPU: 2GHz octa-core Qualcomm Snapdragon 625 processor

RAM: 4GB

STORAGE: 32GB Internal Storage,

CAMERA: 16MP Back Camera, 8Mp Front camera

OS: Android 6.0

CPU:  1.6GHz octa-core

Ram: 2GB Ram

Storage: 16GB Internal Storage

Camera: 13MP Camera

OS: 5.1 Android Version

CPU: 1.5Ghz Processor speed

RAM: 1.5GB

ROM: 16GB Internal Storage

Camera: 5MP Camera

OS: 6.0 Android Version

CPU: 1.5GHz quad-core

RAM: 1.5GB

ROM: 16GB Internal storage

Camera: 13MP Back Camera

OS:  5.1 Android Version