Why can't I specify graphics memory on an Intel mac? The Parallels app automatically directs me to Use automatic graphics memory on a Mac with Apple M1 chip (parallels.com). I'm on an Intel mac and I don't even have an option to set the graphics memory on this new VM (I do on my older ones). New VM Image: The reason outlined on the article makes sense for an M1 mac since it has unified memory. My Intel mac doesn't, it has RAM and seperate Graphics RAM.