Quick answer: For most streamers in 2026, the safe setup is 1080p at 60 fps, 6,000 kbps CBR, a 2-second keyframe interval, and a hardware encoder (NVENC for NVIDIA, AV1 if you have an RTX 40/50-series card and stream to YouTube or Twitch Enhanced Broadcasting). The full lookup tables below give you the exact numbers for every resolution, encoder, and platform.
H.264 ranges. Lower end = slow/static scenes; upper end = fast gaming/sports. AV1 or HEVC lets you drop these numbers ~30–40% for the same quality.
| Resolution | 30 fps | 60 fps |
|---|---|---|
| 480p | 1,000–2,000 kbps | — |
| 720p | 2,500–4,000 kbps | 3,500–5,000 kbps |
| 1080p | 4,000–6,000 kbps | 6,000–8,000 kbps |
| 1440p (2K) | 6,000–13,000 kbps | 9,000–18,000 kbps |
| 2160p (4K) | 13,000–34,000 kbps | 20,000–51,000 kbps |
The number you can actually send is limited by the platform, not just your gear.
| Platform | Max res / fps | Bitrate | Codecs | Notes |
|---|---|---|---|---|
| Twitch (standard) | 1080p60 | 6,000 kbps (≈8,000 hard ceiling) | H.264 only | Above ~8,000 not transcoded |
| Twitch Enhanced Broadcasting | up to 4K | up to ~10,000 kbps | H.264, HEVC, AV1 | Auto-configures OBS; up to 5 encodes |
| YouTube Live | 4K60+ | No hard cap | H.264, HEVC, AV1, VP9 | Best quality headroom of the big platforms |
| Kick | 1080p60 | up to 8,000 kbps | H.264 only | Generous cap; no AV1/HEVC yet in 2026 |
| Facebook Live | 1080p | ~4,000–6,000 kbps | H.264 | 2-second keyframe required |
| TikTok LIVE | 720p–1080p vertical | ~2,500–4,000 kbps | H.264 | Mobile-first; vertical framing matters |
Widely available in 2026 for Partners and many Affiliates. Unlocks AV1/HEVC, up to 4K, and multiple concurrent client-side encodes so every viewer gets a working quality option.
~40% more efficient than H.264. An AV1 stream at ~5,000 kbps looks close to H.264 at ~8,000. Needs an RTX 40/50, Intel Arc, or RX 7000+ GPU. YouTube and Twitch Enhanced accept it; Kick does not yet.
No hard bitrate cap and native AV1/HEVC/VP9 ingest. Best choice for high-fidelity 1440p/4K streams. See our YouTube vs Twitch guide.
Your encoder decides how much quality you squeeze out of every kilobit. Pick based on your hardware and whether you stream on one PC or two.
| Encoder | Use it when | Quality / bitrate | Performance hit | |
|---|---|---|---|---|
| NVENC H.264 (NVIDIA RTX) | Single-PC default | Excellent | Near-zero | Recommended |
| NVENC AV1 (RTX 40/50) | YouTube or Twitch Enhanced | Best (~30–40% better) | Near-zero | Best quality |
| x264 (CPU) | Dual-PC or non-gaming streams | Best at slow presets | Heavy CPU use | Dual-PC |
| AMD AMF (RX 7000+) | AMD single-PC setup | Good (improved on 7000-series) | Low | AMD |
| Intel QuickSync / Arc | Intel systems; Arc does AV1 | Good | Low | Intel |
| HEVC (H.265) | YouTube / Twitch Enhanced 1440p | ~50% better than H.264 | Low (hardware) | 1440p+ |
NVENC H.264 on a single gaming PC. Runs on a dedicated chip, barely touches game performance. Use the Quality preset (P6 Slower or P7 Slowest).
Switch to NVENC AV1 — free quality upgrade, nothing to lose. Best encoder choice available in 2026.
Stick with NVENC H.264. Kick is H.264-only; AV1 and HEVC are not accepted yet.
x264 at medium or slow gives the best H.264 quality. On a single PC drop to veryfast to avoid dropped frames.
| Setting | Value | Why |
|---|---|---|
| Rate control | CBR | Platforms want a stable, predictable stream |
| Keyframe interval | 2 seconds | Required by Twitch, YouTube, and Kick |
| Profile | High | Best H.264 compression efficiency |
| B-frames | 2 | Better compression with negligible latency cost |
| Audio codec / bitrate | AAC, 160 kbps | Clean voice; bump to 192–320 for music streams |
| Audio sample rate | 48 kHz | Matches platform ingest |
| Color format | NV12, 8-bit, Rec.709 | Standard SDR pipeline |
Twitch (standard, single PC)
NVENC H.264 · 1920×1080 · 60 fps · 6,000 kbps CBR · 2s keyframe · audio 160 kbps / 48 kHz · preset P6 (Slower)
Twitch Enhanced Broadcasting (RTX 40/50)
NVENC AV1 · 1920×1080 or 1440p · 60 fps · 8,000 kbps CBR · 2s keyframe · let Twitch auto-config handle the encode ladder
YouTube Live (RTX 40/50)
NVENC AV1 (or HEVC) · 1920×1080 · 60 fps · 8,000–9,000 kbps CBR · 2s keyframe · audio 160 kbps / 48 kHz. Go 1440p/4K if upload allows
Kick (single PC)
NVENC H.264 (AV1 not supported) · 1920×1080 · 60 fps · 8,000 kbps CBR · 2s keyframe · audio 160 kbps / 48 kHz
The most common cause of a broken stream is not your encoder — it is bandwidth. Your stream bitrate should be no more than ~75% of your stable upload speed (a 6,000 kbps stream needs ~8.4 Mbps of reliable upload).
| Symptom | Cause | Fix |
|---|---|---|
| Dropped frames (Network) | Bitrate exceeds upload capacity | Lower bitrate; switch to Ethernet |
| Encoding lag / overloaded | Preset too demanding for CPU/GPU | Use a faster preset or a hardware encoder |
| Pixelation in fast motion | Bitrate too low for the resolution/fps | Raise bitrate, or lower fps/resolution |
| Looks fine locally, bad for viewers | No transcode ladder on a weak feed | Enable Enhanced Broadcasting (Twitch) or lower bitrate |
| Blurry on mobile | Single high-bitrate encode only | Use multi-encode (Enhanced) or a lower base bitrate |
Use 6,000–8,000 kbps with H.264. On Twitch standard, 6,000 kbps CBR is the safe target; on Kick and YouTube you can push to 8,000. With AV1, 5,000–6,000 kbps looks just as good.
NVENC H.264 is the best default for single-PC NVIDIA setups because it barely affects game performance. If you have an RTX 40/50-series GPU and stream to YouTube or Twitch Enhanced Broadcasting, NVENC AV1 gives the best quality per bitrate. x264 wins on quality only with a dedicated streaming PC.
Yes. AV1 is about 40% more efficient, delivering the same quality at a lower bitrate. It requires a recent GPU (RTX 40/50, Intel Arc, RX 7000+) and a platform that accepts it — YouTube and Twitch Enhanced do, Kick does not yet.
2 seconds. Twitch, YouTube, and Kick all require it, and an incorrect keyframe interval is a top cause of stream failures.
For standard streaming, roughly yes — above about 8,000 kbps is not reliably transcoded. Twitch Enhanced Broadcasting lifts this with multiple encodes, AV1/HEVC, and resolutions up to 4K.
Use CBR (constant bitrate) for live streaming because platforms expect a stable data rate. VBR is for file uploads and recordings.
You are sending a single high-bitrate feed with no lower-quality option. Viewers on slow connections cannot keep up. Enable a transcode ladder (Twitch Enhanced) or lower your base bitrate.
Sources & methodology
Bitrate ranges and codec support reflect each platform's published guidelines and creator-tooling documentation current as of June 2026, including Twitch Enhanced Broadcasting / Twitch Broadcasting Guidelines, YouTube Live encoder recommendations, Kick's streaming specs, and OBS Studio encoder documentation. Ranges are general targets — optimal numbers vary with scene complexity, hardware, and upload stability. Platform limits and beta features (especially Twitch Enhanced Broadcasting and AV1 availability) change frequently; verify current caps in your broadcast dashboard before going live.