Common name Resolution Video bit range
4K / 2160p @60fps 3840x2160p 20,000 - 51,000 Kbps
4k / 2160p @30fps 3840x2160p 13,000 - 34,000 Kbps
1440p @60fps 2560x1440 9,000 - 18,000 Kbps
1440p @30fps 2560x1440 6,000 - 13,000 Kbps
1080p @60fps 1920x1080 4,500 - 9,000 Kbps
1080p 1920x1080 3,000 - 6,000 Kbps
720p @60fps 1280x720 2,250 - 6,000 Kbps
720p 1280x720 1,500 - 4,000 Kbps
480p 854x480 500 - 2,000 Kbps
360p 640x360 400 - 1,000 Kbps
240p 426x240 300 - 700 Kbps

Notes:

  • Encoder settings
  • Protocol: RTMP Flash Streaming
  • Video codec: H.264, 4.1
  • Frame rate: up to 60 fps
  • Keyframe frequency: Recommended 2 seconds, do not exceed 4 seconds
  • Audio codec: AAC or MP3
  • Bitrate encoding: CBR

Source: https://support.google.com/youtube/answer/2853702?hl=en

Also see: https://en.wikipedia.org/wiki/Graphics_display_resolution

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