As far as the specifications are concerned, Galaxy J3 Duos 2017 features 5 inch HD display with a resolution of 1280 x 720 pixels. Inside, the smartphone is powered by 1.4Ghz quad-core processor, which is coupled with 2GB RAM and 16GB internal memory.
J3 Duos is a Dual SIM variant that uses nano SIM and features 4G LTE. Other connectivity options include Bluetooth 4.2, USB 2.0 and 3.5mm jack.
In the imaging department, J3 Duos features 13MP primary camera and 5MP front camera. It runs on 2,400mAh battery, which boasts of music playback of up to 61 hours. It is available in three color options of blue, black and gold.
On the other hand, Galaxy J5 features 5.2-inch display while the elder sibling J7 features a 5.5-inch display. The battery capacity also increases from J3 to J7, with J5 featuring 3,000mAh battery, while J7 features 3,600mAh battery. In the camera department, J5 and J7 feature 13MP rear and front camera.
Meanwhile, Samsung has also launched the dual SIM Galaxy S8+ Duos in Germany.