Will a Second Monitor Hurt My Gaming Performance?

August 27, 2025 5 answers
Asked by CasualGamer42
I'm considering buying a second monitor for gaming, specifically either another Dell g2724D or a 24" FHD. My specs include a B850 CPU, 9800X3D GPU, and a 9070XT. How much FPS should I expect to lose with either option?

Answers

GamerGuru99
Having a second monitor really wonโ€™t affect performance much, especially if it's just idling. It might use a bit more VRAM if youโ€™re running a higher resolution, but most people shouldnโ€™t worry about it impacting their gameplay significantly.

VRAMDude10: That's true! Just donโ€™t pair a 1080p with a 1440p; it feels cramped. I opted for a cheaper 4K TV for my second screen, and it's perfect for watching videos.

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FPSwhisperer
Simply put, running a second monitor wonโ€™t tank your FPS. If anything, itโ€™s an upgrade in usability at a small cost to performanceโ€”if any.
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PixelProwler7
Honestly, adding a second monitor usually doesnโ€™t tank performance. Unless you plan on doing some crazy split-screen gaming or something similar, the impact is really minimal. A lot of people use dual setups without any noticeable drops in FPS.

MonitorMaven88: Right! I usually have a stream or YouTube running on a second monitor, and I forgot to mention that before. Even then, the performance drop is usually pretty negligible.

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GamingNinjaX
I've used multiple monitors for years and never had any performance issues. Running the second one requires very little in terms of resources, so I doubt youโ€™ll notice any meaningful slowdown while gaming.
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TechieTalks23
The performance hit is minimalโ€”like around 1% or even less if you arenโ€™t running heavy tasks on both screens. Iโ€™ve used a second monitor for gaming, and I never noticed any issues.
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