Cloud OBS vs. Local Encoding: Which Streaming Setup Wins?

Most streamers run OBS on their gaming PC. Cloud-based streaming, where a VPS handles the encoding and broadcasting, is the other option. Here's when it makes sense and when local encoding is still the better call.

How Cloud Streaming Works

Instead of encoding on your gaming PC, you:

1. Capture your gameplay locally
2. Send a raw or lightly compressed feed to a VPS
3. The VPS encodes and broadcasts to Twitch/YouTube

The VPS handles the CPU-intensive encoding, freeing your gaming PC to focus on rendering the game.

Comparison

When Cloud Wins

CPU-limited gaming: If you play CPU-intensive titles (Minecraft, simulation games, strategy games) and can't spare encoding overhead without frame drops.

Multi-platform streaming: A VPS can restream to Twitch, YouTube, and Kick simultaneously. Your local PC sends one stream; the VPS multiplies it.

Consistent quality: A VPS running nothing but encoding produces more consistent stream quality than a gaming PC juggling encoding alongside a demanding game.

When Local Wins

Low upload bandwidth: If your internet upload is under 20 Mbps, you can't send a high-quality raw feed to a VPS. Local encoding at 6 Mbps is more realistic.

Low latency requirements: Every hop adds delay, and a second encode adds more. If chat interaction has to feel instant, local encoding keeps the chain shorter.

Simplicity: OBS on your gaming PC just works. Cloud setups require VPS management, FFmpeg configuration, and troubleshooting network issues.

Cloud Encoding Setup

You need a Linux VPS with 4 or more CPU cores. Space-Node's own VPS plans start at €4.20 a month on Premium and €4.99 a month on Standard; the streaming VPS runs Windows with OBS preinstalled, which suits the hybrid approach further down better than this Nginx setup.

Nginx-RTMP Configuration

rtmp {
    server {
        listen 1935;
        application ingest {
            live on;
            exec_push ffmpeg -i rtmp://localhost/ingest/$name
                -c:v libx264 -preset medium -b:v 6000k
                -c:a aac -b:a 160k
                -f flv rtmp://live.twitch.tv/app/YOUR_KEY;
        }
    }
}

Your OBS sends to rtmp://your-vps-ip/ingest/stream and the VPS re-encodes and pushes to Twitch.

Hardware Requirements

Treat the table as a starting point, not a promise. x264 at 1080p60 on the "medium" preset is heavy, and the core count you need depends on the CPU generation and on how busy the scene is. Watch the ffmpeg speed figure: if it stays under 1x, the encoder is falling behind and you need a faster preset or more cores. The reason to bother is that slower presets usually give a cleaner picture at the same bitrate than the "veryfast" preset many local streamers use.

Hybrid Approach

The best of both worlds: encode locally with NVENC (GPU encoder, nearly free on the CPU) and use a VPS purely for restreaming to multiple platforms.

Your GPU handles encoding with minimal performance impact, and the VPS multiplies the stream to every platform without re-encoding.

Compare the Quality Yourself

Your game, your scene and your bitrate decide how big the gap is, and it takes about ten minutes to measure.

1. Record a one-minute clip of your busiest scene losslessly (or at a very high bitrate) as the reference.
2. Encode it twice at your real stream bitrate, once with each preset:

ffmpeg -i reference.mkv -c:v libx264 -preset veryfast -b:v 6000k -maxrate 6000k -bufsize 12000k -an veryfast.mp4
ffmpeg -i reference.mkv -c:v libx264 -preset medium -b:v 6000k -maxrate 6000k -bufsize 12000k -an medium.mp4

3. Score each encode against the reference with VMAF. The first input is the encode being scored, the second is the reference, and your ffmpeg build needs libvmaf:

ffmpeg -i veryfast.mp4 -i reference.mkv -lavfi libvmaf -f null -
ffmpeg -i medium.mp4 -i reference.mkv -lavfi libvmaf -f null -

Both files come out at roughly the same size because the bitrate is capped, so the difference in score comes from the preset. Fast motion (shooters, racing, particle-heavy scenes) usually shows the gap most. If the difference is small for your content, the VPS pipeline is not worth the extra delay and upload; if it is clearly visible, it can be.

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