Android: Adreno 618 or better. Apple Memory: 4GB RAM or better. Android Memory: 6GB RAM or better.

So with a mere 1 gb of ram will run 99% Android games like pubg,call of duty, asphalt 9. 2 Gb and higher rams will play 100% games for Android with ease along with a good CPU for running the game at a good fps and a good GPU for good graphics.