My Empty level takes 500 mb ram on android unreal engine 4-26.2 source version

Hello sir.I am currently facing some memory issue for my mobile game.

I took a simple empty level and it is having size map as follows

The reference viewer is as follows

Despite having simple level when i load the level on my device it is taking 500 mb ram

Here is the screenshot of my mobile

Here is the memory profiling tool info sir.

Here are my mobile logs as well sir
buuldingWars.log (110.5 KB)

Memory report of my level as well

loginToServer-Android-25-08.45.32.txt (41.9 KB)

How to debug it sir.Thank you

The answer is the adreno gpu on mobile takes twice as much memory as normally would take.So my game actually takes 150 mb only.