There is no single best resolution or bitrate for every YouTube live stream. Choose the bitrate YouTube recommends for your encoder’s codec, resolution, and frame rate, then use the highest mode your upload connection can sustain reliably. For many H.264 streams, a practical reference point is 1080p at 30 fps with a 14 Mbps recommended bitrate, or 1080p at 60 fps with 17 Mbps.
Recommended YouTube Live bitrates by resolution and frame rate
YouTube’s official encoder guidance lists minimum and recommended ingest bitrates. The values below are in Mbps; AV1/H.265 is shown first, followed by H.264. Match the row to the codec, resolution, and frame rate your encoder actually sends. These are YouTube configuration recommendations, not guarantees of a particular viewer experience.
| Ingest resolution and frame rate | AV1/H.265 minimum | AV1/H.265 recommended | H.264 minimum | H.264 recommended |
|---|---|---|---|---|
| 2160p (4K), 60 fps | 10 | 35 | 14 | 50 |
| 2160p (4K), 30 fps | 8 | 30 | 11 | 42 |
| 1440p, 60 fps | 6 | 24 | 8 | 34 |
| 1440p, 30 fps | 5 | 15 | 7 | 21 |
| 1080p, 60 fps | 4 | 12 | 6 | 17 |
| 1080p, 30 fps | 4 | 10 | 5 | 14 |
| 720p, 60 fps | 2 | 6 | 3 | 8 |
| 720p, 30 fps | 2 | 6 | 3 | 8 |
| 480p, 30 fps | 0.3 | 3 | 0.4 | 4 |
| 360p, 30 fps | 0.3 | 3 | 0.4 | 4 |
These recommendations come from YouTube’s live encoder settings guidance. For example, YouTube recommends 14 Mbps for H.264 at 1080p30 and 17 Mbps at 1080p60. The AV1/H.265 recommendations for those modes are 10 Mbps and 12 Mbps, respectively.
How to choose a resolution and frame rate
Start with the content
Higher resolution preserves more detail, while a higher frame rate can make fast movement look smoother. Choose a mode appropriate to what you are streaming; a static presentation or documentary footage may not benefit from 60 fps as much as fast-moving action. Do not increase resolution or frame rate simply because the encoder offers it.
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Check upload capacity and stability
Run an upload speed test and compare the result with the recommended bitrate for your chosen mode. YouTube does not specify a universal upload-headroom multiplier, and a speed-test result alone does not guarantee a stable live stream. If the connection fluctuates or the stream shows health warnings, move down to a mode it can sustain consistently.
Let YouTube choose when appropriate
YouTube recommends automatic resolution and frame-rate detection by default in Live Control Room. Manual selection is available when you create a custom stream key and enable manual settings. YouTube transcodes the incoming feed into multiple output formats for viewers’ devices and network conditions, so your encoder’s resolution is the feed sent to YouTube—not a promise that every viewer receives that exact resolution.
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Encoder settings that affect stream compatibility
YouTube’s encoder recommendations include these settings:
- Protocol: RTMP or RTMPS; YouTube recommends RTMPS.
- Video codec: H.264, H.265 (HEVC), or AV1. Use the bitrate column for the codec actually being sent.
- Rate control: Constant bitrate (CBR).
- Keyframes: Set a 2-second interval; do not exceed 4 seconds.
- Frame rate: YouTube lists support up to 60 fps.
- Picture format: Square pixels and progressive scan.
- Advanced video: Two B-frames, one reference frame, and CABAC.
- SDR color: Rec. 709 and 8-bit SDR.
- HDR: YouTube lists H.265 and 10-bit depth; AV1 is not supported for HDR.
- Audio: AAC or MP3; YouTube recommends 44.1 kHz stereo or 48 kHz 5.1, with 128 Kbps for stereo or 384 Kbps for 5.1. For RTMP/RTMPS, 5.1 audio is supported only with AAC.
Test before going live
- Choose a mode: Select the codec, resolution, and frame rate, then set the corresponding recommended bitrate from the table.
- Configure the encoder: Use CBR, a 2-second keyframe interval, and the compatible video, audio, and color settings above.
- Check the live setup: Follow YouTube’s live stream settings guidance for the selected stream and key.
- Run a representative test: Send audio and video with movement similar to the planned event. Check the stream’s health and any messages in Live Control Room before the event, and monitor them while live.
- Reduce the mode if needed: If the stream is unstable, lower the resolution or frame rate and use the recommended bitrate for the new mode.
One specific limitation: YouTube says the low-latency improvement option is unavailable for 4K/2160p streams; all 4K streams use normal latency.
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Quick Recap
Best Value
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Rank #4
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