This phone has 1gb ram and ARMV7 QUADCORE ( 4 CORE) proccesor. Which very good and Device dont lag at all. we can mid ranged graphics games in this device without lag. and with small lag we can play high end games Like Modern combat 4, nova 3. Asphalt 8 etc. And its currently running Android ( 6.0) which very good. AND VERY GOOD THING IS THAT THIS DEVICE HAD GOOD BATTERY BACKUP. even though this device only had 2000 MAH battery, Battery stays long at least for 1 day at from 100% . Iam telling to buy this phone