Required network bandwidth for Zoom App (updated)

This post was most recently updated on July 31st, 2021

The bandwidth used by Zoom is optimized for the best experience based on the participant’s network. The bandwidth is automatically adjusted according to 3G or WiFi.

The required network bandwidth is as follows.


devices such as iOS and Android

PC terminals such as Windows, Mac, Linux
Recommended bandwidth when using WiFi Bandwidth recommended for meeting and webinar panelists Recommended bandwidth for webinar participants
One-to-one video call
 High-quality video 600kbps
 HD video 1.2Mbps
Group video
 High-quality video 600kbps/1.2Mbps
600kbps (down)
 Gallery view/720p HD 1.5Mbps/1.5Mbps
HD video 1.2 Mbps (down)
Screen sharing
 Screen sharing only
(no video thumbnail)
50-75kbps (down)
 Screen sharing
(with video thumbnails)
50-150kbps (down)
 Audio VoIP 60-80kbps
60-80kbps (down)


Tips for improving call quality in a zoom

Because video calls use more bandwidth than voice calls, if you have problems with video call quality, try the following:

  • Quit other applications that use the Internet, especially those that play music and videos.
  • Cancel an ongoing file transfer.


The most up-to-date information, IOS and Android of system requirements and the PC, Mac, Linux system requirements.


Related article

  • Bandwidth requirements and participant bandwidth limits
  • Wireless (WiFi) connection problems
  • Can I use Zoom with a web browser?
  • About the functional difference between the free version and the paid version
  • What is the difference between Zoom Meeting and Zoom Rooms?
  • Bandwidth requirements and participant bandwidth limits
  • How to enable co-hosts and make participants co-host
  • Stream webinar on YouTube Live
  • What happens if the number of participants in the meeting exceeds the capacity?
  • What does the status icon mean?