A business desktop is designed for more intensive use, with features that are more geared towards productivity. These desktops tend to have faster processors and more powerful graphics cards, as well as larger hard drives. They may also have a greater number of ports and connectors, which can make them easier to use for working with multiple computers at once.
Regular Busines desktop computers, on the other hand, are typically used for day-to-day activities like browsing the internet and writing emails. Their processors and graphics cards are usually less powerful than those found on a business desktop, and their hard drives are usually smaller.