Diablo 4 High Memory Usage: How to Reduce it Effectively

Diablo 4 is a great game that deserves to be played without any interruptions or errors. However, if you are facing high memory usage issues that are affecting your performance and quality, apply this tips to reduce it effectively and enjoy the game without any lag or stuttering.

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Diablo 4 is the highly anticipated installment in the legendary action role-playing game series (from Blizzard) that has captivated millions of fans worldwide. The game promises to deliver an epic and immersive experience with stunning graphics, dynamic gameplay, and a rich story. However, as with any new and ambitious game, Diablo 4 also comes with some challenges and issues that can affect its performance and quality. Some Windows 11 users reported “Diablo 4 High Memory Usage” The game crashed randomly due to high memory usage impacting the overall performance. This article explores what causes, Diablo IV High Memory Usage and How to Reduce it Effectively.

Diablo 4 high memory usage in Windows 11

Memory, or RAM (Random Access Memory), is one of the most important components of your PC that affects its performance and speed. Memory is where your PC stores and accesses the data and information that it needs to run programs and applications, such as Diablo 4. The more memory you have, the faster and smoother your PC can run multiple tasks at once.

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Well, a memory leak (High Memory usage) is a situation where a program or a process uses more and more memory over time without releasing it back to the system. This can cause the system to run out of memory and slow down or crash other programs. In the case of Diablo 4, the memory leak issue seems to be caused by some graphical settings that are not optimized for the game. These include the texture quality, the draw distance, and the fullscreen mode. These settings can affect how much memory the game uses to render the game world and its elements.

  • Running the game at ultra-high graphics settings, especially on systems with limited RAM or VRAM, may lead to increased memory usage.
  • Outdated or incompatible GPU drivers can contribute to memory leaks and increased usage.
  • Compatibility problems between Diablo 4 and certain hardware configurations or software components can result in high memory usage
  • Background processes and other running applications can consume system resources, including memory.
  • Game software may sometimes have memory leaks or bugs that lead to increased memory usage over time.
  • Certain third-party software, such as antivirus programs or performance optimization tools, may interfere with game processes and contribute to memory usage issues.

Check System Requirements

The first thing you need to do is to check Diablo 4 system requirements and make sure that your PC meets the minimum or recommended specifications for Diablo 4. You can find the system requirements here. According to the official system requirements, Diablo 4 will need at least 8 GB of RAM and 2 GB of VRAM to run on minimum settings. For recommended settings, you will need at least 16 GB of RAM and 6 GB of VRAM.

Minimum Requirements

  • OS: 64-bit Windows® 10 version 1909 or newer
  • Processor: Intel® Core i5-2500K or AMD™ FX-8350
  • Memory: 8 GB RAM
  • Graphics: NVIDIA® GeForce® GTX 660 or AMD Radeon™ R9 280 or Intel® Arc™ A380
  • DirectX®: Version 12
  • Storage: SSD with 90 GB available space
  • Internet: Broadband Connection

Diablo 4 system requirements

If your PC does not meet the requirements, you may need to upgrade your system to meet or exceed the recommended ones for the game. This means adding more RAM to your PC or getting a new PC with more RAM and a better processor. This will allow your PC to run Diablo 4 smoothly without any issues or errors. However, this might not be possible or affordable for everyone, so you can also try the other tips below.

Adjust Diablo 4 in-game settings

Another way to reduce the memory usage of Diablo 4 is to adjust your in-game settings to optimize your graphics and gameplay experience. You can try lowering some settings that are not essential for you, such as texture quality, shadow quality, anti-aliasing, or ambient occlusion. You can also turn off some features that are not needed, such as v-sync, motion blur, or depth of field.

Lowering the in-game graphics settings reduces the strain on your system’s memory by decreasing the demand for graphical resources.

  • Launch Diablo 4 and go to Options > Graphics > Texture Quality. Choose Medium or Low from the drop-down menu.
  • Again from Options > Graphics -> View Distance. Move the slider to the left until you find a value that suits your preference and performance.
  • Click Apply and restart your game.

Adjust Diablo 4 in-game settings

Experiment with different settings and see which ones work best for you and your PC. You can also use the Auto-Detect option in the game to let Diablo 4 automatically adjust your settings based on your system requirements.

Update Graphics Drivers

Outdated or incompatible graphics drivers can lead to memory leaks and increased memory usage. Updating your graphics drivers ensures that Diablo 4 can efficiently utilize your GPU, potentially resolving memory-related issues.You can use device manager, or third-party driver updater software, or visit the manufacturer’s website to download and install the drivers.

  • Press Windows + X on your keyboard and select Device Manager,
  • Expand the Display adapter, right-click on the graphics card, and select Update driver
  • Choose Search automatically for updated driver software to let Windows find and install the latest driver for your device.

update graphics driver

You can use a driver updater tool like Driver Booster or Driver Easy to scan and update your drivers automatically. Alternatively, you can visit the official website of your graphics card manufacturer and download the latest driver manually.

Close unnecessary programs

As mentioned before, other programs that are running in the background can take up a lot of memory and interfere with Diablo 4. Therefore, you should close any programs that you don’t need while playing Diablo 4, such as browsers, music players, or other games.

Closing unnecessary applications and background processes frees up system memory for Diablo 4 to utilize.

You can use the Task Manager to see which programs are using the most memory and end them if necessary.

  • Open the Windows Task Manager (Ctrl + Shift + Esc).
  • Navigate to the “Processes” tab.
  • Identify and close non-essential applications and background processes.

High CPU or Memory usage

You can also disable some startup programs and services that you don’t need by using the System Configuration tool.

  • To do this, press the Windows + R keys, type msconfig, and hit Enter.
  • Then go to the Services tab and check the Hide all Microsoft services box.
  • Uncheck any services that you don’t need and click Apply.
  • Then go to the Startup tab and click Open Task Manager.
  • Disable any startup programs that you don’t need and close the Task Manager.

hide all Microsoft services

Restart your PC for the changes to take effect. This will free up some memory for Diablo 4 and make it run faster and smoother.

Run Diablo 4 Compatibility Mode

Running Diablo 4 in compatibility mode for an earlier version of Windows can help resolve compatibility issues that may contribute to high memory usage.

  • Right-click on the Diablo 4 executable file.
  • Select “Properties.”
  • Navigate to the “Compatibility” tab.
  • Check the box for “Run this program in compatibility mode for” and select an earlier Windows version from the drop-down menu.

Update windows 11

Keeping your Windows 11 operating system up to date is crucial. Microsoft releases updates that address performance issues and improve system stability, potentially resolving memory-related problems in Diablo 4.

  • Open the Windows Settings (Windows key + I).
  • Go to “Windows Update” Click on “Check for updates” and install any available updates.

Windows 11 update download

In addition, Keeping Diablo 4 updated with the latest patches and updates from Blizzard Entertainment ensures that developers address memory-related issues and optimize overall game performance.

  • Launch the Blizzard Battle.net app.
  • Select Diablo 4 in your game library.
  • Check for and install any available updates or patches.

Adjust Virtual Memory Settings

Adjusting virtual memory settings allows Windows to manage memory more effectively, potentially reducing the impact of high memory usage in Diablo 4.

  • Press the windows key + R, type sysdm. cpl and click ok to open system properties,
  • Navigate to the “Advanced” tab, Under the “Performance” section, click on “Settings.”
  • Go to the “Advanced” tab in the new window. Under the “Virtual memory” section, click “Change” and ensure the system-managed size option is selected.

Adjust virtual memory

Use a memory cleaner

Also, some third-party tools can help you free up some memory by clearing the cache and temporary files on your PC. One of them is Razer Cortex, which is a free software that optimizes your PC for gaming.

You can download it from here: https://www.razer.com/cortex.

Razer Cortex can automatically detect when you launch Diablo 4 and boost your performance by closing unnecessary processes and cleaning your memory. You can also customize how it works and what it does according to your preferences.

Scan Your PC for Malware or Viruses

In addition, Scan your PC for any malware or viruses that may be affecting your memory usage and gaming performance. You can use reliable antivirus software like Malwarebytes or Avast to scan and remove any threats from your PC. You can also use the built-in Windows Security (Defender) tool in Windows 11.

To do this, go to Settings > Update & Security > Windows Security and click Virus & Threat Protection. Then click Scan options and choose Full scan. Click Scan now and wait for the scan to complete.

Windows security full scan

Running multiple programs in the background can consume a lot of memory and CPU resources. Make sure to close any unnecessary applications, such as web browsers, music players, or chat programs, before launching Diablo 4. You can also use a task manager to monitor and end any processes that are using too much memory.

Optimize Your Windows 11 Settings for Gaming Performance

Turn off Windows 11 Game Mode: This feature is supposed to improve gaming performance, but some users have reported that it causes memory issues in some games. To turn it off, go to Settings > Gaming > Game Mode and toggle it off.

Turn off Windows 11 Game Bar: This feature allows you to record and share your gameplay, but it can also consume memory and CPU resources. To turn it off, go to Settings > Gaming > Game Bar and toggle it off.

Turn off Windows 11 Game DVR: This feature allows you to capture screenshots and videos of your gameplay, but it can also cause memory issues in some games. To turn it off, go to Settings > Gaming > Captures and toggle it off.

Turn off Windows 11 Notifications: Notifications can be distracting and annoying when you are playing games, and they can also affect your memory usage. To turn them off, go to Settings > System > Notifications & actions and toggle off Get notifications from apps and other senders.

Turn off Windows 11 Tips: Tips can help you learn more about Windows 11 features, but they can also consume memory and CPU resources. To turn them off, go to Settings > System > Notifications & actions and toggle off Get tips, tricks, and suggestions as you use Windows.

Turn off Windows 11 Visual Effects: Visual effects can make Windows 11 look more appealing, but they can also reduce gaming performance and memory usage. To turn them off, press the Windows + R keys, type sysdm.cpl, and hit Enter. Then go to the Advanced tab and click Settings under Performance. Choose Adjust for best performance and click Apply.

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Steve Ballmer
Steve Ballmer
With over 7 years of experience in the IT industry, I have experience in IT support, helpdesk, sysadmin, network admin, and cloud computing. Certified in Microsoft Technologies (MCTS and MCSA) and also Cisco Certified Professional in Routing and Switching.

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