My Android is showing Manufacturer MT6598 and Model P6B Brand CSZ

My Android is showing Manufacturer MT6598 and Model P6B Brand CSZ. I could not find a way to root it with any application...I tried Kingo,one click root,SRS root, Framaroot, shuame,but FAILED....Also some device is using android 4.3 icecream sandwich..8 gb internal.1 GB RAM.. ARM7 processor. It runs temple run 2 & Oz...But still not able to run Subway Surfer....Ram always consuming more than 550 mb leaving 300mb ..........

PLEASE HELP!