Difference between Jenkins vs Jenkins X

What is Jenkins?

Jenkins is an automation server to automate tasks related to building, testing, and deploying of software.

If we have Java Runtime Environment (JRE) installed then Jenkins can be installed through native system packages, Docker etc.

Jenkins X is a continuous integration (CI) / continuous delivery (CD) solution for Kubernetes.

In today’s devops world Kubernetes is a buzz word. It is the modern cloud applications.

Following is the Jenkins X fundamentals learning site:
https://jenkins-x.io/categories/fundamentals/