I have a 2013 Mac Book Pro with 16 GB of RAM. They all run fine at the same time. I also have Xcode and several other apps open. Don’t skimp on RAM. My next c

I have a 2013 Mac Book Pro with 16 GB of RAM. They all run fine at the same time. I also have Xcode and several other apps open. Don’t skimp on RAM. My next computer will have 32GB of RAM. It’ll extend the usefulness by years.