Situation: You want to know the size of the files you can store.

Applicable to: Reno2.

8G RAM gives smooth operation while 256G storage saves anything as you like. Here are the numbers:

 

Additional information:

RAM in your phone is mostly used as a place for apps that are running store their data. In the simplest terms, that means more RAM can let more apps run in the background without slowing your phone down

Source: https://www.androidcentral.com/ram-what-it-how-its-used-and-why-you-shouldnt-care