The Secret 7: Best Fortnite Command Line Arguments For A Massive FPS Boost In 2024

Fortnite’s performance optimization is a continuous battle, especially with new chapters and game engine updates (like Unreal Engine 5) constantly shifting the goalposts. As of late 2024, professional players and competitive enthusiasts are still leveraging hidden launch options—known as Command Line Arguments—to squeeze every possible Frame Per Second (FPS) out of their hardware, often bypassing default settings for a smoother, lag-free gameplay experience. These specific arguments are critical tools for anyone looking to gain a competitive edge, whether you are playing on an older, low-end PC or a high-end gaming rig aiming for a locked 240Hz refresh rate. Applying the right combination of these arguments in the Epic Games Launcher can dramatically reduce input latency, prevent stuttering, and ensure your system is fully dedicated to running the Battle Royale.

The Essential Performance-Boosting Arguments for 2024

The core intention behind using command line arguments is to explicitly tell the Fortnite client how to allocate system resources and what non-essential features to skip during the launch sequence. The following list contains the most reliable and widely used arguments for achieving an immediate performance boost in 2024.

1. Maximize CPU Usage: -USEALLAVAILABLECORES

This is arguably the most famous and essential argument for gamers with multi-core processors. The -USEALLAVAILABLECORES command forces the Unreal Engine to utilize every available CPU core on your system, preventing the game from defaulting to a limited number of threads. On modern CPUs (Intel Core i7, AMD Ryzen 7, etc.), this can lead to a significant increase in processing efficiency and overall FPS stability, especially during intense build fights or late-game zones.

2. Prioritize the Game Process: -high

The -high argument is a straightforward but effective Windows optimization. It instructs your operating system to launch the Fortnite process with a "High" priority level. This means that if other applications are running in the background (like Discord, Chrome, or streaming software), Windows will prioritize allocating CPU time and resources to Fortnite first, minimizing potential performance dips and micro-stutters. This is a must-have for competitive play.

3. Force True Fullscreen: -fullscreen

While an option exists in the in-game settings, using the -fullscreen command line argument can sometimes force a true, exclusive fullscreen mode. Exclusive fullscreen is vital because it allows the operating system to dedicate the entire graphics output to the game, often leading to lower input latency and a slight FPS increase compared to borderless or windowed fullscreen modes.

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4. Skip the Intro Splash: -NOSPLASH

While it won't boost your in-game FPS, -NOSPLASH is a quality-of-life argument that saves time. It simply bypasses the initial Epic Games and Fortnite splash screens that appear when the game first loads. This is a minor but effective way to get into the lobby faster.

5. Stable Rendering for Older Systems: -d3d11

Fortnite primarily uses DirectX 12 (DX12) for modern rendering, but this can be unstable or cause crashes on older graphics cards or specific driver versions. The -d3d11 argument forces the game to use the older, more stable DirectX 11 API. Many players report that switching to DX11 via this command fixes random crashes, video memory errors, and improves overall frame consistency, especially on mid-range and low-end GPUs.

Advanced Arguments for Competitive & Low-End PCs

These next arguments are highly specialized and come with caveats. They are generally recommended for players prioritizing competitive advantage and raw FPS over visual fidelity, or for those struggling with very limited hardware resources.

6. The Controversial Texture Streamer: -Notexturestreaming

The -Notexturestreaming argument is one of the most debated performance tweaks in the Fortnite community. By default, the game "streams" textures, loading them in as needed to save Video RAM (VRAM) and system memory. This can cause momentary lag or "pop-in" of low-resolution textures as you move quickly across the map.

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• The Benefit: Using this command forces the game to load all high-quality textures into your VRAM and RAM at once. This virtually eliminates texture pop-in and can significantly reduce input lag and stuttering caused by the streaming process, potentially offering a competitive edge.
• The Caveat: This command requires a significant amount of available VRAM (8GB+ recommended) and system RAM (16GB+ recommended). If your PC does not have sufficient memory, using this argument will cause severe performance degradation, stuttering, or even game crashes due to running out of video memory.

7. The Low-End PC Lifeline: -nomansky

For players on truly budget-oriented or older hardware, -nomansky is a powerful argument to consider. This command is designed to disable specific complex sky and cloud rendering effects, which are surprisingly taxing on the GPU.

• The Benefit: By removing these demanding graphical elements, the game can dedicate more resources to rendering the core gameplay environment, resulting in a noticeable FPS increase, especially outdoors.
• The Caveat: It severely impacts the visual quality of the skybox, making the environment look flatter and less realistic. It is a pure performance-over-aesthetics choice, primarily used in Performance Mode setups.

How to Apply Command Line Arguments in the Epic Games Launcher

Applying these launch options is a simple, five-step process that takes place entirely within the Epic Games Launcher, the official distribution platform for Fortnite.

Step-by-Step Guide to Inputting Launch Options

1. Open the Epic Games Launcher: Ensure the launcher is fully updated to the latest version.
2. Navigate to Settings: Click on your profile icon in the top right corner, then select "Settings" from the drop-down menu.
3. Find the Fortnite Section: Scroll down the settings menu until you locate the "Manage Installed Games" section and click on the entry for Fortnite.
4. Enable Arguments: Check the box labeled "Additional Command Line Arguments" under the Fortnite options. A text box will appear below it.
5. Input Your Commands: Type or paste your desired arguments into this text box. Arguments must be separated by a space and must start with a hyphen (-).

Example String for Maximum Performance (High-End PC):

-USEALLAVAILABLECORES -high -fullscreen -NOSPLASH -Notexturestreaming

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Example String for Stability (Low-End/Crashing PC):

-USEALLAVAILABLECORES -high -fullscreen -d3d11 -nomansky

Final Optimization Entities and Caveats

While command line arguments offer significant tweaks, they are only one part of the overall optimization puzzle. For the best results in 2024, you must ensure other key entities are also correctly configured.

Verifying Argument Effectiveness

A useful argument to verify the impact of your changes is -stats. While not a performance booster itself, adding -stats to your launch options will display a detailed performance overlay in-game, allowing you to monitor your FPS, CPU usage, and latency in real-time. This is essential for A/B testing which combination of arguments works best for your unique hardware configuration.

The Performance Mode Entity

For the vast majority of competitive players on any hardware, switching to the in-game Performance Mode rendering setting is the single greatest FPS boost available. This mode, which is essentially a highly optimized, low-fidelity rendering path, works in tandem with the command line arguments listed above. Arguments like -nomansky and -d3d11 are most effective when paired with Performance Mode.

Critical Warnings and Troubleshooting

It is important to understand that command line arguments are not officially supported by Epic Games in the same way as in-game settings. Using too many conflicting or outdated arguments can lead to instability, longer load times, or even prevent the game from launching.

• Testing is Key: Always test arguments one or two at a time to isolate which ones are helping or hurting your performance.
• Outdated Arguments: Arguments like -limitclientticks and -malloc=system are often cited in older guides but are generally considered obsolete or ineffective in the current 2024 build of the game.
• Reverting Changes: If you experience issues, simply uncheck the "Additional Command Line Arguments" box in the Epic Games Launcher to revert to default launch settings.

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