Guide · 2026-05-24
Why Multistreaming Drops Frames and Lags Your PC (and How to Fix It)
You added a second platform to your stream, and now it stutters. Or the dreaded "Encoding overloaded" message appears the moment you go live. Or your game frame rate tanks the instant the stream starts.
If multistreaming has made your setup worse, that is not bad luck and it is not a mystery. It is a predictable result of asking one computer to do several streams' worth of work at once. This guide explains what is actually happening, how to tell which kind of problem you have, and how to fix it properly.
Three different problems that all look like "lag"
"My stream is laggy" can mean three separate things, and they have three separate causes. Streaming software counts them differently for exactly this reason — and the fix depends entirely on which one you have.
- Lagged frames come from the rendering stage — your GPU is too
busy compositing the scene. Common when the game and the stream are fighting over the same graphics card.
- Skipped frames come from the encoder — it cannot compress video
fast enough to keep up. This is usually a CPU problem, and it is the one that produces the "Encoding overloaded" warning.
- Dropped frames come from the network — the upload connection
cannot send data fast enough, so frames are discarded in transit.
In OBS you can see which is which: open View → Stats. The panel breaks out rendering lag, encoding lag, and network drops separately. Before changing anything, look there — it tells you which of the three you are actually fighting.
Why multistreaming makes all three worse at once
Here is the part that matters if the trouble started when you added platforms.
Your streaming software encodes video on your own computer — using your CPU or GPU — and then uploads it. When you stream to one platform, that is one encode and one upload. Manageable.
When you make your software send to several platforms directly, it does that work per platform:
- Each platform is another encode. Two platforms can mean two
encoding jobs running at once; three means three. Encoding is one of the heaviest things streaming software does, and multiplying it is what tips a machine into "Encoding overloaded."
- Each platform is another upload. A single 1080p60 stream is
around 6,000 kbps. Three of them at once is roughly 18,000 kbps of sustained upload — enough to saturate a lot of home connections, at which point frames start dropping.
- Your game is competing for the same hardware. The CPU and GPU
encoding those streams are the same CPU and GPU running your game. Three encodes plus a game is often the moment in-game frame rate falls off a cliff.
This is not a rare edge case. A common pattern streamers describe: one platform streams perfectly on its own, then adding a second platform triggers "Encoding overloaded" the instant it starts. The first stream was fine. The machine simply had nothing left for the second.
The local fixes — and their ceiling
If your trouble is a single stream struggling, the standard fixes are worth doing, and they genuinely help:
- Use a hardware encoder. Switching to a GPU hardware encoder (such
as NVENC on an NVIDIA card) moves encoding off your CPU onto a dedicated chip built for it. This is the single most effective change for CPU-bound encoding lag.
- Cap your game's frame rate. Locking the game to 120 fps leaves
the GPU headroom to composite the stream, and 120 divides cleanly to 60 and 30.
- Stream on a wired connection. Wi-Fi fluctuates; Ethernet doesn't.
- Set a sensible bitrate. Around 6,000 kbps for 1080p60 is the
standard target. Going higher than your upload can sustain just causes network drops.
These are real improvements. But notice their ceiling: every one of them is about squeezing one stream's workload down to fit your hardware. They do not change the core problem of multistreaming, which is that you are running several streams' workload at once. You can tune a single encode to be lighter. You cannot tune away the fact that direct multistreaming asks for three of them.
The fix that actually removes the cause
The structural fix is to stop multiplying the work on your machine at all.
Instead of your computer sending a separate stream to each platform, it sends one stream to one place — a relay — and the relay forwards that stream to every platform from its own server.
What this changes:
- Your PC encodes once. One stream out, one encode, no matter how
many platforms ultimately receive it. The encoding-overload problem simply stops existing, because the multiplication is gone.
- Your upload carries one stream. You send roughly 6,000 kbps
total, not 6,000 per platform. Your connection is no longer saturated.
- Your game gets its hardware back. One encode leaves far more CPU
and GPU for the game itself.
Sleipnir is a relay built for exactly this. You send it a single stream — the same way you would stream to one platform — and it forwards that stream, unchanged, to Twitch, YouTube, Kick, or wherever else you have set up. It does not re-encode your video; it passes it straight through. From your computer's point of view, you are streaming to one destination, with one stream's workload, whether the relay is fanning it out to two platforms or ten.
The local fixes above still apply to that one stream — a hardware encoder is still worth using. But you are now tuning a single encode that your machine can comfortably handle, instead of fighting a pile-up that no amount of tuning fully clears.
In short
Dropped frames, skipped frames, and "Encoding overloaded" while multistreaming are not random. They are the direct, predictable result of one computer doing several streams' worth of encoding and uploading at the same time — while also running your game.
Check View → Stats in OBS to see which kind of frame loss you have. Apply the standard fixes — a hardware encoder above all — to keep a single stream healthy. But if the trouble appeared when you added platforms, the real fix is structural: send one stream to a relay and let it do the fan-out, so your PC only ever does one stream's work.