This is the best phone from samsung and one of the best smartphone of the year award winning phone. Not only its design and features, but its camera quality and display quality are amazing. I have bought this phone last month and currently I am using this phone. I loved this phone.
It has most beautiful edge screen with 12MP of awesome camera. It has one octa core and one quad core processor i.e. total 12 core processor and 4GB of RAM. So you can imagine how fast would be this phone.
Also it has super AMOLED display with finger sensor, heart rate sensor and many other sensors.
It is a dual sim phone(2nd sim slot can be used for memory card) and it supports upto 128GB of memory card.
Most important it is a water and dust proof phone.
Overall I loved my phone and I also recommend you to buy this phone. Its a good value for money phone.