
Introduction
Streaming on Twitch has become more competitive than ever, and many professional streamers are constantly looking for ways to enhance their performance and stream quality. One of the most effective ways to do this is by using a dual-PC streaming setup—one PC dedicated to gaming and the other handling the stream.
But why go through the trouble of setting up two PCs instead of just using one? In this guide, we'll break down everything you need to know about dual-PC streaming, including its benefits, potential downsides, and how to set up your own. Plus, we’ll recommend an affordable second monitor that’s perfect for managing your stream. Let’s dive in!
What is a Dual-PC Streaming Setup?
A dual-PC streaming setup is a system configuration where two separate computers work together to handle different aspects of a live stream. This setup is designed to distribute the workload between two machines, ensuring smooth gameplay while maintaining high-quality streaming output.
The two primary components of this setup include:
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Gaming PC – This is the primary machine responsible for running the game at its highest possible settings. It focuses entirely on performance, ensuring that gameplay remains smooth, frame rates stay high, and graphics quality is maximized. The gaming PC does not have to worry about additional resource-heavy tasks such as encoding video for a live stream, as those are offloaded to the second PC.
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Streaming PC – This secondary PC is dedicated to handling everything related to broadcasting. It encodes and transmits video and audio data to streaming platforms like Twitch, YouTube, or Facebook Gaming. Since this PC is not running the game itself, it can focus on efficient encoding, reducing dropped frames, and maintaining consistent bitrates for the best possible streaming experience.
Why Do Streamers Use Two PCs?

1. Performance Optimization
When using a single PC for both gaming and streaming, running OBS (Open Broadcaster Software) alongside a game can slow down performance. With a second PC handling streaming, your gaming rig can run at full speed without worrying about extra processing demands.
By offloading video encoding to a separate PC, the gaming system’s CPU and GPU remain dedicated to the game, resulting in smoother gameplay and improved responsiveness, especially in competitive gaming scenarios where high frame rates matter.
2. Better Stream Quality
A dedicated streaming PC can encode high-quality video without affecting game performance. This means you can stream at higher resolutions and bitrates, giving your viewers a smoother and clearer experience. This is particularly useful for streamers who aim to provide 1080p 60fps or even 4K streaming.
The second PC also helps in reducing encoding lag, ensuring that streams do not stutter or drop frames due to CPU overload.
3. System Stability
If a game crashes on your gaming PC, your stream will still be live on the streaming PC, allowing you to interact with your audience and troubleshoot without immediately losing your viewers. This is particularly useful for streamers who rely on Twitch or YouTube for income, as keeping a consistent stream is essential.
Additionally, by having a separate streaming PC, you reduce the risk of unexpected in-game performance drops due to background tasks running while streaming.
4. Multitasking Benefits
With two PCs, you can keep streaming software, alerts, and chat windows separate from your gameplay, making it easier to engage with viewers without tabbing out of your game. This also allows streamers to run additional applications, such as Discord for team communication or music software, without impacting gaming performance.
5. Flexibility in Setup and Customization
Having a second PC allows you to experiment with more complex streaming setups, such as:
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Running multiple camera angles.
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Using a green screen with real-time background removal.
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Implementing higher-end visual overlays and animations.
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Running bot software or AI-driven tools without affecting gameplay performance.
Potential Downsides of a Dual-PC Setup

1. Higher Cost
Buying and maintaining two PCs, extra peripherals, and capture cards can be expensive. However, if you’re serious about streaming, it’s an investment worth considering.
2. Complex Setup
A dual-PC setup requires additional equipment like capture cards and audio routing solutions, which can be tricky to configure. Setting up audio correctly can be particularly challenging, as sound must be properly routed between both PCs to ensure both stream audio and game audio are balanced correctly.
3. More Space & Power Consumption
Running two PCs means more desk space is needed, and it will increase electricity usage. Additionally, managing the heat output from two computers in a confined space can become an issue, requiring better ventilation or cooling solutions.
4. Additional Cables and Accessories
Since two PCs are being used simultaneously, you may need extra cables, USB hubs, or even a KVM switch to efficiently switch between the two setups.
Essential Components for a Dual-PC Setup
Gaming PC – Recommended: