Use Windows 11 Efficiency Mode to Free Up CPU and Improve Gaming Smoothness
Difficulty: Beginner |
Time Required: 10 minutes
If your game feels a little choppy even though your PC “should” be fast enough, background apps may be stealing CPU time from the game. Windows 11 includes a built-in feature called
Efficiency mode that helps reduce the resources used by selected background processes. In many cases, this can free up CPU capacity, lower unnecessary power usage, and help your game run more smoothly.
This tutorial walks you through how to use Efficiency mode safely, when to use it, and what to avoid changing.
What Efficiency Mode Does
Efficiency mode is a Windows 11 Task Manager feature that lowers the priority of a process and applies power-saving behavior where supported. In simple terms, it tells Windows:
- this app is less important right now
- give more attention to the program I actually care about, like my game
- reduce background CPU pressure where possible
This can be especially helpful if you are gaming while apps like browsers, launchers, update tools, chat apps, RGB utilities, or other background programs are running.
Note: Efficiency mode is a Windows 11 feature available through the modern Task Manager interface. It is not part of standard Windows 10 Task Manager in the same way.
Prerequisites
Before you begin, make sure you have:
- A PC running Windows 11
- Administrator rights for some processes
- A game or app you want to prioritize
- Background applications currently running
- Basic familiarity with Task Manager
Recommended Windows Version
Efficiency mode is available in
Windows 11, especially on systems using the newer Task Manager design included in
Windows 11 22H2 and later. If your Task Manager looks older or you do not see the option, install the latest Windows updates.
When You Should Use Efficiency Mode
Efficiency mode works best for
non-essential background apps, such as:
- Web browsers with many open tabs
- Game launchers you no longer need open
- Updater tools
- Cloud sync apps during gameplay
- Utility apps running in the background
- Some chat or media apps
Do not use it on:
- Your game itself
- Windows system-critical processes
- Antivirus/security software unless you fully understand the impact
- Audio drivers or streaming/recording apps you actively need
- Processes you do not recognize
Warning: Setting the wrong process to Efficiency mode may reduce responsiveness in that app or cause unexpected behavior.
Step-by-Step: Enable Efficiency Mode in Windows 11
1. Start your game or prepare for gaming
First, launch the game you plan to play, or at least open the apps you normally have running while gaming. This helps you identify which background processes are active and consuming resources.
Examples include:
- Steam, Epic Games Launcher, or Battle.net
- Discord
- Chrome, Edge, or Firefox
- Spotify
- RGB/peripheral software
- OneDrive or sync tools
2. Open Task Manager
There are several easy ways to open Task Manager:
- Press Ctrl + Shift + Esc
- Or right-click the Start button and choose Task Manager
- Or press Ctrl + Alt + Delete and then select Task Manager
If Task Manager opens in the simplified view, click
More details at the bottom.
3. Go to the Processes or Details view
In Windows 11 Task Manager, you can usually work from:
- Processes tab for a simpler overview
- Details tab for more advanced control
For most users, the
Processes page is the easiest place to begin because it shows app names clearly and often displays CPU usage in real time.
Look for apps using noticeable CPU in the background.
4. Identify background apps consuming CPU
Now scan the list for apps that are active but not important during gameplay.
Pay attention to:
- CPU usage
- Number of background processes
- Apps you are not actively using
Common examples:
- A browser playing video in the background
- A launcher left open after starting the game
- Update services checking for downloads
- Productivity apps still open from earlier
Tip: Click the CPU column to sort processes by highest CPU usage first. This makes it much easier to spot what is stealing performance.
5. Turn on Efficiency Mode for a selected app
Once you find a background process you want to limit:
- Right-click the app or process
- Click Efficiency mode
- Confirm the prompt if Windows asks for confirmation
After enabling it, you may see a leaf icon or similar indicator showing the process is now running in Efficiency mode.
If you are in the
Details tab, the process name may be more technical, so double-check before changing anything.
Note: Some processes cannot be changed because Windows protects system-critical tasks.
6. Repeat for other non-essential background processes
You can apply Efficiency mode to multiple apps if needed, but do it carefully.
Good candidates include:
- Browser helper processes
- Launchers after the game has started
- Background app updaters
- Optional utilities not needed during gaming
Do
not blindly enable it for everything. The goal is to reduce unnecessary CPU usage without breaking something you still need.
A good beginner approach is to start with just
one to three apps and test performance.
7. Return to your game and test performance
Switch back to your game and play for a few minutes.
Check whether you notice improvements such as:
- Fewer stutters
- Smoother frame pacing
- Better responsiveness during background activity
- Lower fan noise in some situations
This is especially useful on:
- Mid-range laptops
- Systems with many startup apps
- PCs with limited CPU headroom
- Gaming while multitasking
8. Disable Efficiency Mode if needed
If an app becomes too slow, stops responding normally, or causes issues, you can reverse the change.
To disable it:
- Open Task Manager
- Find the same process
- Right-click it
- Click Efficiency mode again, if available, or restart the app
In some cases, simply closing and reopening the application will return it to normal behavior.
Tip: Efficiency mode is best treated as a temporary tuning tool for gaming sessions rather than something you must permanently apply to every app.
Tips for Best Results
Close apps you do not need
Efficiency mode helps, but fully closing unused apps is even better. If you do not need a browser, launcher, or media app while gaming, exit it completely.
Combine with Game Mode
Windows 11 also includes
Game Mode, which helps prioritize gaming performance. For best results, use both:
- Settings > Gaming > Game Mode
- Make sure Game Mode is turned On
Watch for CPU-heavy startup apps
If the same programs keep slowing down your gaming sessions, you may want to review startup apps:
- Settings > Apps > Startup
Disable apps you do not need launching automatically.
Check laptop power mode
On laptops, performance may also depend on power settings. For best gaming results while plugged in:
- Go to Settings > System > Power & battery
- Set Power mode to Best performance when appropriate
Warning: Higher performance settings may increase heat, fan noise, and battery use.
Troubleshooting Notes
I do not see Efficiency mode in Task Manager
Try these checks:
- Confirm you are running Windows 11
- Install the latest Windows updates
- Open the full Task Manager using More details
- Try the Processes or Details tab
- Check whether the selected process is eligible
If you are on
Windows 10, this exact feature may not be available in the same form.
Efficiency mode is grayed out
This usually means:
- The process is protected by Windows
- The process is already managed in a special way
- You do not have permission to change it
- It is a child process or system task Windows does not want modified
My game got worse after changing processes
You may have applied Efficiency mode to something important, such as:
- Voice chat
- Capture/streaming software
- Audio tools
- The game launcher while it is still actively managing the game
Undo the change or restart the affected app.
There is no noticeable performance improvement
That can happen if:
- Your bottleneck is actually the GPU, not the CPU
- The background apps were not using many resources
- Your system already has plenty of CPU headroom
- The game stutter is caused by storage, drivers, thermals, or RAM limits
In that case, Efficiency mode may still reduce background load, but it will not solve every performance problem.
Conclusion
Efficiency mode is one of the simplest built-in Windows 11 tools for reducing background CPU usage during gaming. It will not magically boost every game, but it can help trim unnecessary resource use from browsers, launchers, and other non-essential apps so your game gets more attention from the system.
For beginners, the safest approach is to apply it only to obvious background apps, test your game, and avoid touching system or security processes. Combined with Game Mode, startup cleanup, and sensible app management, Efficiency mode can be a quick and effective way to improve smoothness with almost no extra software required.
Key Takeaways:
- Efficiency mode helps reduce CPU usage from non-essential background apps
- It can improve gaming smoothness by giving your game more CPU attention
- Use it only on apps you recognize and do not actively need
- It works best on Windows 11, especially newer builds like 22H2 and later
- Combining it with Game Mode and closing unnecessary apps can give better results
This tutorial was generated to help WindowsForum.com users get the most out of their Windows experience.