The slowness of Emacs, or lack thereof, tends to be greatly dependent on the exact configuration in use. Out of the box Emacs should be as fast or faster than a

The slowness of Emacs, or lack thereof, tends to be greatly dependent on the exact configuration in use. Out of the box Emacs should be as fast or faster than any editor you wish to compare it to, but the more fancy packages you install the more likely it is to become sluggish and glitchy.