One plus is the one company which offer value for money and very comparative product. It offer a 6 gb ram and Narraganset 820 processor, and highest benchmark followed by apple. it is very powerful device with smooth multitasking and give warranty even root the phone which best quality of the product. One plus offer all you want except FM radio, comes with metal body gives premium feel and 3600 MAH battery which can stand with you a full day.