To be fair, I use auto complete with my 5 year old netbook in VIM and Kate with auto complete and it doesn't slow down. I also run RStudio (occasionally) and it

To be fair, I use auto complete with my 5 year old netbook in VIM and Kate with auto complete and it doesn't slow down. I also run RStudio (occasionally) and it has a slight slow down. Intellij slows only a little more and is usable with my old netbook.