In the app switcher on the Xiaomi smartphone, we can view the current usage of Memory/RAM. This feature is useful for checking the current state of memory. We can enable/disable this feature, but it has no effect on the background apps.

Note: In this tutorial we will activate the RAM info, go back to the home screen and start the app switcher, where the current RAM is shown.

Android 10 (MIUI 12.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Home screen
Step 3:  Enable or disable  Show memory status
  1. Open the Settings
  2. Tap on Home screen
  3. Enable or disable Show memory status

Xiaomi Instructions