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Why Does YouTube Use So Much CPU?

Every day, hundreds of thousands of people log onto YouTube to view their favorite videos. These films are of great quality and interesting, but they can also be a substantial drain on the processing power of your computer’s CPU.

After further investigation, it was discovered that YouTube is one of the most CPU-intensive sites available today. It will be explained in this blog post why YouTube consumes so much CPU and what you can do to lower your CPU use while still watching high-quality videos on the platform.

Why does YouTube use so much CPU?

YouTube consumes a significant amount of CPU resources because it is continually decoding video and audio. It is required to do this in order to watch videos without any glitches or interruptions.

Using the HTML/Javascript player requires some processing power from your browser to render the page, but not nearly as much as using YouTube’s native player. Using the older player, YouTube will run a Flash application in the background to handle some of the more complex functions of the site. This application makes use of the CPU as well.

YouTube’s player is extremely efficient, and it often only consumes roughly as much CPU as Vimeo, which provides a video of significantly greater quality than YouTube itself. Audio playback, on the other hand, might cause problems with your laptop or desktop computer since it consumes so much power that you may not be able to use your computer for anything else without running out of battery power while playing back audio.

Therefore, if your computer is capable of handling it, we recommend that you utilise the HTML/JavaScript player rather than switching to the Flash player on older computers or netbooks with limited CPU resources.

Because there is no Flash support on mobile devices such as the iPod Touch, iPhone, or Android phone, the YouTube native player is the only alternative if you are using one of these devices.

How to save on CPU when on YouTube?

When watching YouTube videos, there are a few things you can do to conserve your computer’s processing power. There are two options: one is to activate the “dark mode” feature, which will make the video’s background black rather than white.

This will result in fewer CPU usage because white images require your computer to work harder to display than black graphics. To activate the “dark mode” function, locate the Settings cogwheel in the bottom right corner of your video screen and click on that icon.

It is also possible to download YouTube videos directly from the website itself, which will prevent the website from creating a new window and consuming CPU resources. To do so, simply click “Download” and then select an output format for your video clip from the drop-down menu. Finally, you can minimize any other programmes that are currently running on your computer so that it can concentrate on the movie.

A Chrome addon known as “The Great Suspender” will prevent YouTube videos from utilizing your computer’s CPU when they are not being played directly. This may help to minimize the amount of noise and heat produced by your device, but it may also have an adverse effect on performance when watching videos or playing games online due to the reduced amount of available memory.

If you are experiencing PC overheating issues, it is likely that YouTube is consuming too much CPU power. If this is the case, consider closing some of the other programmes that are currently running on your device to make room for YouTube. In addition, you may want to consider upgrading your gear to one that is capable of handling more demanding tasks.

Another option is to alter the video’s overall quality by increasing or decreasing the resolution. The better the quality, the greater the amount of CPU it will consume. For those who don’t mind watching a video of lesser quality, you can save some CPU power in this manner. In the same location as the “dark mode” feature, you’ll find the video quality options, which include options for 360p, 720p, and 1080p video resolutions.

At the end of the process, you should close any other programmes that you aren’t currently utilizing while watching YouTube. This will free up more resources on your computer, allowing it to concentrate on the movie. This will free up more CPU resources for the video and will aid in the overall performance of your machine.

What are the causes of high CPU usage?

It is critical to discover the fundamental cause of excessive CPU consumption before proceeding with troubleshooting. If you are unable to pinpoint the source of the problem, get assistance from a technician or your computer maker. Although the reasons for high CPU utilization can vary, there are certain common elements that contribute to it.

These are some examples:

  • Performing CPU-intensive tasks on your computer, such as video rendering or software compilation, will frequently make your computer’s processor to work harder than it would otherwise.
  • Additionally, if you have numerous applications open at the same time or if your computer is running low on accessible memory, this can result in increased CPU consumption. Opening a large number of apps at the same time causes the CPU to become overloaded, resulting in decreased performance as more processes run at the same time.
  • Sometimes, a virus or other piece of malware may be the primary cause of high CPU utilisation on your computer.
  • There may possibly be a background process or programme running in the background that is CPU-intensive but that you are not aware of.
  • When your computer’s power settings are configured incorrectly, it can overheat as a result of the ongoing excessive demand. This will cause system crashes, freezes, slowdowns, and even irreversible hardware damage, all of which will impact system performance.
  • If your computer is overheating as a result of dust or dirt accumulation inside the case, this might also result in increased CPU utilization. Additionally, other symptoms such as reduced performance, system crashes, freezing, and so on will be present.
  • The causes of high CPU use are not usually straightforward to identify on your own. You can typically get to the root of the problem with a little detective work and the assistance of a professional or your computer maker, however.

A program or process is using too much CPU power:

If you have a suspicion that a software or process is consuming excessive CPU power, you can investigate this suspicion using the Task Manager. To access the Task Manager, press Ctrl+Alt+Delete and then select Task Manager from the drop-down menu.

Examine the Processes tab for any processes that consume a significant portion of your CPU’s resources. If you come across one, right-click it and pick End Process from the context menu.

How to troubleshoot high CPU usage on a PC

There are a number of potential causes for the excessive use of the CPU on your personal computer; nevertheless, there is a technique to diagnose and correct the issue:

A program or process is using too much CPU power:

You may utilise the Task Manager to investigate your suspicions that a certain application or process consumes an excessive amount of CPU time and resources. Simply pressing Ctrl+Alt+Delete and then selecting Task Manager will launch the Task Manager for you.

In the tab labelled “Processes,” seek for a programme that is using a significant portion of your computer’s processing power. If you come across one, right-click it and pick “End Process” from the menu that appears.

Your computer is overheating:

If your computer is running too hot, the dust that has accumulated in its fans and vents may need to be cleaned out or you may need to replace the cooling system entirely. You may also lessen the strain on your central processing unit by shutting applications that aren’t needed.

You have a virus or malware infection:

You may check your computer for viruses using a free antivirus application if you have any reason to believe that it may be infected with a virus or other malicious software. If you discover any viruses, you should eliminate them as soon as possible. You might also attempt eliminating any malware infestations by using a product designed specifically for the eradication of malware.

Incorrect power settings configured on your computer:

Incorrect power settings on your computer might result in your central processing unit operating at a pace that is much faster than the norm. To see the power settings for your computer, open the Control Panel and pick Power Options from the menu that appears.

In the area titled “Power Plans,” you should check to see that your plan is either set to “Balance” or “High Performance.” Alternately, you might try adjusting the option for the processor’s power management to “Maximum Performance.”

Your computer is overclocked:

Because the processor speed has been elevated over its normal level, having your computer that has been overclocked might lead it to utilise a significant amount of its CPU. To determine whether or not the settings on your computer have been altered:

  • To open the Task Manager, press Ctrl+Alt+Delete all at once.
  • In the tab labelled “Processes,” seek for a programme that is using a significant portion of your computer’s processing power.
  • If you come across one, right-click it and pick “End Process” from the menu that appears.

You need to upgrade your computer:

It is possible that you will need to change the hardware of your computer in order to lower the amount of processing power it uses. You may verify the system requirements of any newly installed apps to discover what kind of hardware requirements they have by checking the system requirements.

If your computer does not satisfy these minimal requirements, you may need to update either your central processing unit or your random access memory (RAM) in order for the software application to work properly. You may also use an application such as Speccy to learn more about the hardware on your computer and identify any issues that may be occurring with your CPU.

A program or process is using too much CPU power:

If the hardware on your computer is not up to date, you may need to improve it in order to lower the amount of CPU that it uses. You are able to verify the system requirements for any newly installed apps to determine what kind of hardware needs they have.

If your computer does not fulfil these minimal requirements, you will likely need to increase either your central processing unit (CPU) or your random access memory (RAM) in order for the software application to work properly. You may learn more about the hardware on your computer by using a programme such as Speccy, which can also identify issues with your computer’s CPU.



YouTube is always expanding its features and becoming better. It’s not only about the videos that you see; it’s also about what goes on behind the scenes to ensure that everything goes off without a hitch.

It is important to keep in mind that central processing units (CPUs) are typically used for more than one task at the same time. Because of this, if the performance of your computer is poor, you should first address other issues, such as updating drivers or uninstalling unused programmes, before determining whether excessive CPU usage by YouTube is to blame.

In this article, we have discussed the reasons behind why YouTube consumes a significant amount of processing power. In addition, we demonstrated how to fix this problem and provided a few recommendations for minimising the amount of processing power that your device uses.

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