Firstly talking about performance which is in overall very good. Very well supported by Exynos 7580 Octacore 1.5 GHz. Let differentiate with pros and cons.
Pros:-
1. At this price range and from Samsung you don’t expect this type of device which is good and perform very well in every aspects whether you talk about game, camera and lag free UI. Very good supported by 1.5 GB RAM and octacore processor.
2. Camera is perform good in low light because of it’s f/1.9 lens. Primary camera 13 mp with single tone LED flash and secondary camera 5 mp with LED flash.
3. Battery performance is also very good we easily get 5 to 5.30 hr of screen on time which is of 3, 000 mAH.
4. NO lags in High end HD games and heating issue well supported by Mali T720 GPU.
5. Dual Sim with LTE support and expendable microSD card upto 128 GB and 16 GB internal memory. Support USB OTG.
Cons:-
1. Now the question arises why price is low with such a great performance. Samsung cut the cost by remove basic sensor such as there is no Auto Brightness sensor, Compass sensor.
2. Speaker o/p is not that good and average in sound quality.
3. No Backlit touch button, no fingerprint scanner.
4. All mobile is of plastic body, which is cheap.
5. No fast charger and uses micro USB.
6. No Full HD screen, there is 5.5" 720P HD screen SAMOLED.
7. Android Lollipop v5.1.1.