They are extremely mobile, that is, they are portable. 2. They come with a screen, keyboard, and mouse built-in. 1. They’re more expensive than desktop computers. 2. They have to be charged. 3. Most laptops can have issues with excessive heat. 4. Laptops typically have a shorter lifespan than a desktop. 1. Desktops are more powerful than laptops. 2. Desktop computers cost less on a dollar-for-dollar basis. That is, purchasing each component of a desktop separately costs less money. 3. They can be upgraded more easily. 4. Desktops typically run a lot cooler than laptops. 1. Portability is a major disadvantage of desktops; they're typically not very mobile 2. They don’t come with an inbuilt monitor, keyboard, or mouse.