What causes fps drops in games

Content on WhatAnswers is provided "as is" for informational purposes. While we strive for accuracy, we make no guarantees. Content is AI-assisted and should not be used as professional advice.

Last updated: April 4, 2026

Quick Answer: FPS drops in games are primarily caused by your computer's hardware struggling to keep up with the demands of the game. This can stem from an underpowered CPU or GPU, insufficient RAM, slow storage, or overheating components, all of which prevent the system from rendering frames quickly enough.

Key Facts

Overview

Experiencing sudden dips in your game's frame rate, often referred to as 'FPS drops,' can be incredibly frustrating. Frames Per Second (FPS) is a metric that measures how many individual images (frames) your graphics card can produce and display on your screen each second. A higher FPS generally results in a smoother, more responsive gaming experience, while a lower FPS leads to choppiness, lag, and makes the game feel sluggish. These drops can occur at random intervals or during specific demanding moments in a game, transforming a fluid experience into a stuttering mess.

Common Causes of FPS Drops

1. Insufficient Hardware Power

The most frequent reason for FPS drops is that your computer's hardware simply cannot keep up with the graphical demands of the game you are playing. Modern games are incredibly resource-intensive, pushing the limits of your components.

2. Overheating Components

When your CPU or GPU gets too hot, they automatically reduce their operating speed (clock speed) to prevent permanent damage. This process is called thermal throttling. Even if your components are powerful enough on paper, overheating can severely cripple their performance, leading to dramatic FPS drops. Dust buildup in fans and heatsinks, poor case ventilation, or failing cooling systems are common culprits.

3. Outdated or Corrupt Drivers

Graphics drivers are software that allows your operating system and games to communicate effectively with your GPU. Manufacturers like NVIDIA and AMD regularly release driver updates that optimize performance for new games, fix bugs, and improve stability. Running outdated drivers can lead to compatibility issues and suboptimal performance, resulting in FPS drops. Similarly, corrupt drivers can cause all sorts of graphical glitches and performance problems.

4. Background Applications and Processes

Your computer is likely running several background applications and processes even when you're just gaming. These can include antivirus software, cloud storage sync clients, web browsers with multiple tabs open, and system utilities. All these processes consume CPU, RAM, and sometimes even GPU resources. If these background tasks are resource-heavy, they can starve your game of the resources it needs, causing FPS drops.

5. Insufficient Storage Speed

While less common as a direct cause of FPS drops during gameplay itself, a slow storage drive (especially an older Hard Disk Drive or HDD) can significantly impact game loading times and texture streaming. If assets aren't loaded quickly enough from the storage into RAM, it can lead to stuttering and temporary freezes as the game waits for data. Upgrading to a Solid State Drive (SSD) can dramatically improve these aspects.

6. Game Settings and Optimization

Sometimes, the issue isn't with your hardware but with the game's settings. Running a game at excessively high graphical settings (like ultra textures, ray tracing, or very high resolutions) on hardware that can't handle it will inevitably lead to performance issues. Lowering specific graphical settings, such as shadows, anti-aliasing, or post-processing effects, can often provide a significant FPS boost without drastically impacting visual quality.

7. Network Issues (for Online Games)

For online multiplayer games, network latency (ping) and packet loss can sometimes be mistaken for FPS drops. While they don't directly affect the frames rendered by your GPU, high ping can cause significant input lag and make the game feel unresponsive and jerky, mimicking the sensation of low FPS. Ensure you have a stable internet connection.

Troubleshooting FPS Drops

To address FPS drops, consider the following steps:

By understanding these potential causes, you can better diagnose and resolve FPS drops to enjoy a smoother, more immersive gaming experience.

Sources

  1. Frame rate - WikipediaCC-BY-SA-4.0
  2. Basic Graphics Settings Guide | GeForcefair-use
  3. Tips to improve PC gaming performance on Windows - Microsoft Supportfair-use

Missing an answer?

Suggest a question and we'll generate an answer for it.