Docker's VM memory usage

I’m using a Docker to run 3 containers for Wordpress i.e. Wordpress, PHP & mysql, nothing else. I’m seeing in task manager that I’m using 1.7GB of memory which seems higher than what I normally see which I’m pretty sure is typically about 800MB. CPU usage is low. So is this normal?

Win 10
Dell XPS 13 laptop
8GB memory
Docker v19.03.12

At the moment I have a MariaDB, Adminer and Perl application container running and 1.8 GB are used by Vmmem, so to me this looks normal (Fujitsu Celsius, 16 GB RAM, Win 10 2004.20180, Docker Desktop

Thanks to these 2 links I resolved my issue

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