• The Internet is a globally-connected network of computers that enables people to share information and communicate with each other.
• An intranet, on the other hand, is a local or restricted network that enables people to store, organize, and share information within an organization.

KEY DIFFERENCES:

• The Internet is a wide network of computers that is available to all whereas Intranet is a network of computers designed for a certain group of users.
• The Internet is a public network and Intranet is a private network.
• The Internet contains a various sources of information while Intranet only contains group-specific information.
• The number of internet users are very high but the number of users of the Intranet is limited.
• Anyone can access the internet while Intranet is accessible only by the organization employees or admin who have login details.