The main difference between USB docks and USB hubs lies in their functionality and design. USB docks typically provide a comprehensive solution for expanding connectivity options, often offering multiple types of ports such as USB, HDMI, Ethernet, audio, and more, designed to act as a central station for connecting various peripherals and accessories to a computer or laptop.
On the other hand, USB hubs focus solely on expanding the number of available USB ports on a device, allowing users to connect multiple USB devices simultaneously. They are generally more compact and portable, making them suitable for users who need to expand their USB connectivity on the go or have limited desk space.