For a 4K 60fps YouTube Live stream, set OBS to 3840×2160 at 60 fps, use CBR, set the keyframe interval to 2 seconds, and choose a codec-supported bitrate: YouTube’s current live-encoder guidance recommends 50 Mbps for H.264 or 35 Mbps for AV1 or H.265/HEVC at 2160p60. Those are starting targets, not guarantees: the gaming PC must render and encode the game while the internet connection sustains the stream. Test a representative scene before broadcasting.
Recommended OBS settings for 2160p60
Use these as a starting configuration for a 4K, 60 fps live stream. YouTube’s current live-encoder table was accessed in 2026; the page does not state a publication year. OBS labels and available options vary by version, codec and GPU.
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| Setting | Starting choice | Notes |
|---|---|---|
| Output resolution | 3840×2160 | Use only if the PC and sustained upload connection can handle it. |
| Frame rate | 60 fps | Use progressive video and a square pixel aspect ratio. |
| Rate control | CBR | Constant bitrate is YouTube’s recommended live setting. |
| Keyframe interval | 2 seconds | YouTube says not to exceed 4 seconds. |
| Video bitrate | H.264: 50 Mbps; AV1 or HEVC: 35 Mbps | These are YouTube’s recommended live-ingestion rates at 2160p60, not upload-video encoding rates. |
| B-frames | 2, where available | Consistent with YouTube’s advanced recommendations; the control may not appear for every encoder. |
| Encoder | GPU hardware encoder, if supported | Choose a codec that works with the GPU, OBS version and YouTube ingest workflow. |
YouTube lists minimum 2160p60 live bitrates of 14 Mbps for H.264 and 10 Mbps for AV1 or HEVC. These are lower bounds, not quality targets. YouTube recommends RTMPS for ingestion and supports H.264, H.265/HEVC and AV1. H.264 is the broad fallback when newer codec support is unavailable. AV1 or HEVC may meet YouTube’s recommended target at a lower bitrate than H.264, but confirm your complete encoder and ingest path supports your chosen format.
Choose a codec and encoder preset
H.264
H.264 is the practical compatibility choice when your GPU or software workflow lacks AV1 or HEVC support. At 2160p60, YouTube’s current live table recommends 50 Mbps. Keep the same CBR and two-second keyframe settings.
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AV1 or HEVC
YouTube’s current live table recommends 35 Mbps for either codec at 2160p60. Hardware and software support vary, so confirm the codec is available in OBS and accepted by your YouTube ingest workflow before building your live setup around it.
GPU encoding and quality presets
In OBS, choose the hardware encoder provided by your GPU when available, then select a suitable current quality-oriented preset. The exact controls differ by encoder generation and OBS version. OBS’s NVIDIA NVENC guide offers a useful starting configuration—CBR, two-second keyframes, quality-oriented preset, high-quality tuning, two-pass quarter-resolution multipass and an appropriate codec profile—but that guide dates to 2018 and is not a universal 2026 prescription.
OBS documentation dated 2024-08-21 for options introduced in OBS 31.0 describes adaptive quantization as the newer label equivalent to the earlier Psycho-Visual Tuning concept, and notes B-frame-as-reference support for HEVC/AV1. It also says Ultra High Quality tuning is not recommended for gaming content and significantly reduces throughput. Do not enable it by default for a gaming stream. Check OBS’s Stats dock and YouTube stream health during a real test rather than assuming a preset will work for every game and PC.
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Set bitrate to match both codec and connection
The bitrate targets below come from YouTube’s live encoder settings page, accessed in 2026; that page does not state a publication year. They refer to live ingestion at the specified resolution and frame rate.
| 2160p60 live codec | YouTube recommended video bitrate | YouTube minimum video bitrate |
|---|---|---|
| H.264 | 50 Mbps | 14 Mbps |
| AV1 or H.265/HEVC | 35 Mbps | 10 Mbps |
These figures are for video. Leave additional connection capacity for audio and network variation. A one-time speed test does not establish that your connection can sustain the target throughout a long broadcast. YouTube’s separate upload-encoding settings page, also accessed in 2026, recommends 53–68 Mbps for high-frame-rate SDR 4K uploaded videos. That figure is for uploaded videos, not live ingestion, so do not use it in place of the live-stream table.
If your connection cannot consistently sustain the recommended video bitrate, reduce bitrate and/or output resolution rather than relying on a brief speed-test result. At 2160p, YouTube says the low-latency improvement option is unavailable; streams are optimized for normal latency.
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Configure audio and color
Stereo audio
For stereo live audio, YouTube supports AAC or MP3 and recommends AAC at 128 Kbps and 44.1 kHz. Check game and microphone levels, synchronization and clipping during the test broadcast.
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For 5.1 live audio, YouTube specifies AAC support and recommends 384 Kbps at 48 kHz. Use this only if your audio setup and content actually support 5.1.
SDR color
For SDR, use Rec. 709, 8-bit color and progressive video. These settings are a different workflow from HDR; do not enable HDR just because a game offers it.
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HDR
YouTube recommends H.265/HEVC over RTMP(S) for HDR, with 10-bit depth, and says AV1 is not supported for HDR. The complete encoding and viewing path—including viewers’ displays—must support HDR for the intended result to be visible.
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- Check compatibility. Confirm that your OBS version, GPU driver, selected encoder codec and YouTube stream key work together. Keep the stream key private; do not show it in a capture, overlay or screen share.
- Run a private or unlisted test. Use actual gameplay movement and the overlays, microphone and game audio you plan to use. A static desktop is not a representative load for a gaming stream.
- Check both systems. Watch OBS’s Stats dock for rendering or encoding overload and check ingestion health and messages in YouTube Live Control Room. Official guidance calls for testing and monitoring; it does not establish one pass threshold that guarantees every gaming PC will perform well.
- Adjust based on the symptom. If frames are lost at the network stage, check sustained upload stability and lower bitrate or output resolution. If encoding or rendering is overloaded, try a faster preset, lower resolution or frame rate, or reduce the game’s rendering load.
- Recheck YouTube’s current encoder table. Supported codecs and recommended rates can change, so verify the live settings before relying on them for a new broadcast.
YouTube’s official Choose live encoder settings, bitrates, and resolutions guidance says: “Make sure to test before you start your live stream.”
Troubleshoot common 4K60 problems
| Symptom | What to check | Adjustment |
|---|---|---|
| Network-dropped frames or unstable ingestion | Whether the connection sustains the target bitrate over time; YouTube stream health and messages. | Lower video bitrate and/or output resolution. A speed test alone cannot guarantee stable delivery. |
| Encoding overload | OBS Stats dock, encoder selection and current preset. | Try a faster preset or lower output resolution/frame rate. |
| Rendering lag while gaming | OBS Stats dock and the game’s rendering load. | Reduce game rendering load, or lower stream resolution/frame rate. |
| Codec unavailable or stream will not ingest | GPU capability, driver, OBS version, codec selection and YouTube ingest workflow. | Use a supported encoder/codec combination; H.264 is the fallback where newer codec support is unavailable. |
| HDR looks wrong or is not visible as intended | HEVC over RTMP(S), 10-bit encoding, and HDR support throughout the viewing path. | Follow YouTube’s HDR guidance, or use the SDR Rec. 709 8-bit workflow if the full HDR path is not supported. |
Official guidance does not specify a universal minimum GPU or CPU that guarantees a given game can render and encode at 4K60 without performance loss. The result depends on the actual game, PC, encoder and connection; validate your own setup with a representative test.
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