As the brand samsung is well known for lagging operating systems , poor battery backup in their budget phones ,
this phone took a huge lead so far , mounted with 1.5 Ghz Exynos 7580 octacore processor and 1.5 gb of ram it runs huge games like asphalt 8 amd gta very smoothly without any lagging. and the best part of this phone is package of 3000 mAh battery with superAMOLED display which provides it with a great standby.