How to Fix Sims 4 Lagging on PC: Essential Tweaks

Last Updated: August 26, 2023By
The Sims 4 on laptop

As any avid gamer will attest, smooth gameplay is key to full immersion and optimal enjoyment of any game. The Sims 4, a beloved life-simulation title, offers players the chance to craft intricate stories and control digital lives.

However, encountering lags and performance issues can disrupt the flow of this virtual storytelling. This guide aims to provide solutions for those who’ve faced such disruptions, ensuring that your Sims 4 experience on PC remains unhindered by such technical setbacks.

Basic Troubleshooting Steps

Before diving deeper into advanced solutions, it’s often beneficial to start with some foundational troubleshooting steps. These are general actions which often resolve a wide array of issues, including lagging in games like The Sims 4.

Restart Your PC

This may sound overly simplistic, but sometimes, simply restarting your computer can resolve minor glitches and free up resources. If your game starts to lag after hours of gameplay, give your PC a quick reboot.

Update Your Drivers

Outdated drivers, especially those for video cards, can impact game performance significantly. Ensure that you have the latest drivers installed for your graphics card, as well as other critical hardware components.

Regularly checking for updates ensures compatibility and optimal performance.

Close Background Applications

Having numerous applications running in the background can consume valuable system resources. This can cause games to lag due to reduced available memory.

Make it a habit to close unnecessary applications when playing The Sims 4.

Check for Game Updates or Patches

Sometimes, the game developers release updates or patches that address performance issues or in-game bugs. Regularly check the platform from which you purchased The Sims 4, such as Origin or Steam, for any available updates.

By starting with these basic steps, you can often tackle common causes of lag without requiring more in-depth interventions. If these don’t yield the desired results, there are further steps to explore, ensuring you get back to uninterrupted gameplay as soon as possible.

Adjust In-game Settings

The in-game settings play a significant role in how The Sims 4 performs on your PC. Tweaking these settings can lead to noticeable improvements in gameplay, especially if your system is struggling to keep up with the game’s demands.

Here are a few recommendations to optimize those settings for a lag-free experience.

Reduce Graphics Quality

High-quality graphics can put a strain on your PC if it doesn’t meet the game’s recommended specifications.

  • Lowering Resolution
    Choosing a lower screen resolution can increase game speed and reduce lag, as it requires fewer resources to display the game.
  • Turning off or Reducing Visual Effects
    Features such as shadows, reflections, and high-quality textures can be taxing on your GPU. Consider turning off or reducing these visual effects for better game performance.
  • Adjusting Texture Quality
    High-resolution textures are visually appealing but can slow down your game. Opt for medium or low texture quality if you’re experiencing lag.

Turn off Online Features

Online features can consume both system and network resources. Disabling them might lead to smoother gameplay, especially if your internet connection is not stable.

  • Disable Sharing and Downloading Content
    Limit the game’s online interactions by disabling features that share or download content.

Set Frame Rate Limit

By limiting how many frames per second (fps) the game can display, you can reduce the workload on your GPU, potentially alleviating some lag issues.

  • Limiting FPS
    A common choice is 60 fps. Adjusting to this rate, especially if it’s higher than what you’re currently using, can enhance the smoothness of your gameplay without compromising too much on visual quality.

Fine-tuning these in-game settings can significantly improve your Sims 4 experience. It’s all about finding the right balance between visual quality and gameplay performance, ensuring both enjoyment and immersion in your virtual world.

Computer Hardware Checks and Upgrades

While in-game settings can significantly influence performance, the physical components of your computer also play an integral role. Ensuring that your hardware is up to the task can make all the difference in how The Sims 4 runs on your PC.

Let’s explore the areas to focus on and possible upgrades to consider.

Check RAM Capacity and Speed

The amount and speed of RAM in your system can influence how quickly data is accessed and processed, directly affecting game speed.

  • Ensure Recommended RAM
    The Sims 4 has both minimum and recommended RAM requirements. It’s always better to meet or exceed the recommended amount for optimal gameplay.
  • Upgrade If Necessary
    If you’re close to the minimum RAM requirement or notice frequent system slowdowns during gameplay, consider investing in a RAM upgrade.

Examine Your Graphics Card

The GPU is a crucial component when it comes to gaming performance. Ensuring compatibility and adequacy is key.

  • Verify Game Compatibility
    Ensure that your graphics card is not only compatible with the game but also provides the best performance for its demands.
  • Consider a Graphics Card Upgrade
    If your current GPU struggles with The Sims 4 or is outdated, a newer model might provide a noticeable boost in game performance.

Review Hard Drive Space and Type

The speed at which game data is read from the storage device can influence loading times and overall responsiveness.

  • Ensure Ample Storage
    Ensure there’s sufficient free space on your hard drive. Lack of space can slow down performance and even cause issues when saving the game.
  • Shift to an SSD
    If The Sims 4 is installed on a traditional hard drive, consider moving it to a Solid State Drive (SSD). SSDs offer faster read and write speeds, leading to quicker game load times.

Regularly checking and upgrading computer hardware ensures that your system remains capable of handling the demands of modern games like The Sims 4. It’s an investment in smoother, more enjoyable gameplay sessions for the long term.

Game Files and Mods

Beyond hardware and settings, the very files and modifications you use with The Sims 4 can influence its performance. The game’s core files can sometimes become corrupted, and mods, while enhancing gameplay, can also introduce instabilities. 

Here’s how to handle these potential issues.

Clear Cache Files

Over time, temporary cache files can accumulate and impact game performance.

  • Locate Cache Files
    These files are typically found in the directory where The Sims 4 is installed or in the game’s user data folder.
  • Regular Cleaning
    It’s beneficial to periodically delete these cache files. After removal, the game will regenerate necessary files during the next launch.

Repair The Sims 4

Occasionally, the game files might get corrupted, leading to performance issues.

  • Using Game Platforms
    Platforms like Origin offer a “Repair Game” option. Utilize this feature to scan and fix any potential game file issues.

Manage Mods and Custom Content

While mods and custom content (CC) can greatly enhance gameplay, they can also introduce instability.

  • Update Mods and CC
    Ensure that all mods and custom content are updated and compatible with the latest game version. Outdated mods can cause conflicts and slow down performance.
  • Test Game Performance
    If you’re facing lag, try disabling all mods and custom content to determine if they are the cause. Re-enable them one by one to pinpoint problematic files.
  • Stay Informed
    Join The Sims 4 communities or forums to stay updated on common mod-related issues and solutions shared by other players.

By maintaining the integrity of your game files and being selective about the mods and custom content you introduce, you can enjoy a balance of enhanced gameplay without compromising on performance.

Optimize PC Performance

Beyond specific game-centric solutions, the overall health and optimization of your computer system can have a direct effect on The Sims 4 performance. Enhancing the efficiency of your PC not only benefits this game but also improves the overall responsiveness of your system for all tasks.

Disk Cleanup

Accumulation of temporary files and system cache can bog down a computer.

  • Removing Temporary Files
    Windows has a built-in tool called “Disk Cleanup” that helps remove unneeded files, freeing up storage space and potentially improving system speed.
  • Uninstall Unused Applications
    Over time, we tend to accumulate software that we no longer need. Periodically go through your installed applications and uninstall those that are no longer in use.

Defragment and Optimize Drives

Fragmented data can slow down your hard drive’s ability to access and read files.

  • Use Built-in Tools
    On traditional hard drives, the built-in Windows tool “Defragment and Optimize Drives” can help rearrange fragmented data, making the drive work more efficiently. Note: SSDs do not need defragmentation.

Adjust PC’s Power Plan

The power settings can influence how your PC allocates resources.

  • High Performance Mode
    Switching your computer’s power plan to “High Performance” ensures that your system is using its resources to the fullest, which can be especially useful for gaming.

Stay Updated

Regular software and operating system updates often come with performance improvements.

  • Check for Windows Updates
    Ensure your operating system is up-to-date, as updates often include performance enhancements and stability improvements.

By maintaining a well-optimized PC, you create an environment where games like The Sims 4 can run at their best. Simple maintenance tasks and tweaks can lead to a noticeably better gaming experience.


Optimizing The Sims 4 for a seamless gaming experience involves a combination of in-game adjustments, hardware evaluations, and overall PC maintenance. From basic troubleshooting to making informed choices about mods, each step contributes to a smoother gameplay session.

Regularly checking your system’s health, ensuring game files are in order, and keeping both software and hardware updated can profoundly enhance not just The Sims 4, but the overall performance of your PC. Embracing these practices ensures that your virtual stories and adventures remain uninterrupted by technical glitches.