If I use the Material quality switch to have 4k textures on high and 1k textures on low will the 4k textures completely unload when the material quality level is set to low?

If I use the Material quality switch to have 4k textures on high and 1k textures on low, will the 4k textures completely unload when the material quality level is set to low?

Managing the Texture Streaming Pool | Tips & Tricks

https://www.youtube.com/watch?v=uk3W8Zhahdg