If you have a Mac product with an Intel processor, Turbo Boost is a feature that works in the background to give your Apple computer product a boost. You may not even know that it exists, but behind the scenes, macOS is enabling and disabling Turbo Boost. When you need more performance, macOS enables Turbo Boost. Sometimes Turbo Boost can drain your battery which is why it's important to know how to turn this feature on and off.