Screen Casting vs Screen Mirroring

Screen casting and screen mirroring are often confused and used interchangeably, but they are in fact different. They have similarities but are not the same. This article will explain the differences further.

Photo by Szymon Shields:

What is Screen Casting?

Although both are methods of displaying digital media from one device to another, screen casting involves sending audio, video, and other media from the source device to a receiver. Screen casting technology has become increasingly popular in recent years due to its ability to present multimedia in an engaging way that can be enjoyed by larger audiences. It utilizes streaming technology to allow users to share audio, video, images and more across multiple devices simultaneously. The most popular types of screen casting involve connecting a laptop or tablet computer via USB cable to another type of compatible device—such as an Apple TV or Chromecast—that has an HDMI port for outputting audio and video signals. Other types of devices may use Bluetooth or Wi-Fi connections instead. Once connected, the user can then stream content from their computer or mobile device onto the larger display while controlling playback either from their original source or remotely using another compatible device such as a smartphone.

What is Screen Mirroring?

Screen mirroring projects exactly what is seen on one display onto another similar display without allowing for interaction between them. It works by replicating all information shown on one device’s interface directly onto another without any modifications or additions. This type of connection is often used when someone wants an audience to observe whatever action is happening on their personal device such as making presentations outside of work or during gaming sessions with friends. Screen mirroring is also useful in situations where direct contact with a second device isn’t possible but viewing its contents would still be beneficial like when accessing material stored on one’s home computer from elsewhere using only one’s phone or tablet.

What are the Differences?

User Control

  • Users can control playback and interact with media without having to touch the source device in screen casting; whereas with screen mirroring, users must interact directly with the source device in order to access its contents.

Display of Digital Media Content

  • In screen casting, the content being streamed is usually pre-recorded or generated by a third-party application while screen mirroring transmits what appears on the primary device’s display in real time. As such, when using screen casting there may be additional factors involved such as buffering times or other technical issues which may affect stream quality whereas with mirroring this is less likely due to its direct transmission capabilities. It should also be noted that while some devices offer both technologies for sharing digital media content, each one requires different hardware components in order for it to work properly.


  • In terms of usability, both methods provide advantages depending on what goals you want to achieve when displaying digital media from one device to another. , if you want to show someone how something looks on your computer or laptop in real time then screen mirroring would be an ideal choice since it effectively replicates your desktop display without introducing any lag time between transmitting and receiving data. On the other hand if you’re looking for more creative ways of presenting content such as videos or slideshows then screencasting might be better suited since it gives more control over how things look on the receiving end and allows you to tailor your presentation accordingly.


Overall there are pros and cons associated with both types of technology but perhaps one thing they have in common is their potential to make life easier when it comes to working remotely or collaborating digitally with others from different locations around the world. Whether you’re looking for a simple means of sharing documents or needing an efficient way of delivering interactive presentations, either method can provide useful benefits depending on your specific needs and objectives.

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