Apple Iphone are well known for their great hardware and software optimisation it is powered by apple a9 chip having 4.7inch 720p display it has got a upgrade on camera by 12Mp from 8mp from previous Iphone 6 it comes along with live camera, 3D technology which is the latest technology available only on Iphone 6s it has excellent gpu which can outperform the flagship of samsung lg sony and google nexus, it has got all new frame made by aluminium 7000 series which is very strong as compare to the Iphone 6, the aluminium used in Iphone 6 was not that great due which many user reported the bending of iphone 6, apple is well known for it real updates, the games and apps are mainly customised for iphones and ipad therefore there is no issue of lagging and hanging and apple provides future updates for their iphones for more than 4 years from released so there is no question of this iphone getting old within a year, it also got a new haptic vibration and nanocoating so as to protect the phone from water splashes if you need a good lag free experience and familiar with ios environment you should buy it