I have an open world game I have to make run in 1.3GB of RAM for my min spec. I just can’t see a world where I could do it in Unreal. And unity knows that and i

I have an open world game I have to make run in 1.3GB of RAM for my min spec. I just can’t see a world where I could do it in Unreal. And unity knows that and is trying to get away with murder.