What is a workstation in computers? workstation, a high-performance computer system that is basically designed for a single user and has advanced graphics capabilities, large storage capacity, and a powerful central processing unit. What is the difference between a PC and a workstation? A basic workstation can resemble a desktop PC with a tower, a mouse, and a keyboard. But it's what's inside that makes all the difference. With a large central processing unit (CPU) and massive storage space, a workstation can run multiple applications simultaneously at much faster speeds.