5 Best CPU Stress Test Softwares in 2023 [Gaming PC Stress]

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Are you looking for a CPU Stress Test for your gaming computer? If yes then, this article will be talking about everything we know about CPU Stress Test along with the 5 Best Software that will give you appropriate results.

5 Tools for CPU Stress Out
5 Tools for CPU Stress Out

What is a CPU Stress Test?

The Central Processing Unit also known as the CPU of your computer system is responsible for all the core mathematics that is performed to work, and thus tends to have the general-purpose flexibility of a CPU.

Keeping this in mind, we have the CPU Stress Test. Through this stress test, one runs a software program that’s spathe specifically designed to give your CPU incredibly hard problems to solve making sure that its full attention is taken up.

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This process of CPU Stress testing puts computer hardware under high load and stress. This is generally done to ensure the stability of the system when its components are being used in a daily routine. This also checks the performance of each  V component of the CPU by running them at full speed and maximizing their temperature. Basic stress testing includes:

  • tasks
  • thermals
  • extreme workloads
  • clock speeds
  • memory usage

5 Best CPU Stress Test Softwares

There are many CPU Stress Test Softwares available in the market. Some of them are paid and some of them are free, but here we will be talking about the 5 best CPU Stress Test Softwares, whose results are great, and also this software is recommended by people.

5 Best CPU Stress Test Softwares 2021
Core Temp

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Core Temp

With Features such as Motherboard agnostic, Support customization, and support expandability, a core temp is a powerful tool for monitoring the temperature of each core of every processor of the system.

It works for Intel, AMD, and VIA*86 processors. Core Temp will help in displaying the temperature in real-time with changing workloads. This is a free platform for plugin-in that will be helpful to developers is also included.

Core Temp



HWiNFO64 is the diagnostic software that will provide in-depth hardware information for Windows and DOS systems. It is known to perform system monitoring in real-time along with hardware analysis, monitoring, and reporting. HWiNFO64 has features of customization, extensive reporting, and in-depth hardware information.

One can easily download it for free. To know more regarding this, one can visit their official website. Some of the other prominent features of this CPU Stress Test are that it will provide extensive, multiple types of reports. It supports AMD, Intel, and NVIDIA hardware components.




Prime95 is the tool that has been a popular choice for CPU Stress Testing and also RAM Testing. The new version of PRIME95 has included a sub-project of finding prime Mersenne cofactors and can be used automatically and manually. This software gives the user an option to perform stress testing on both memory and processor.

Prime95 is available free of cost and can be downloaded for free. It supports Windows, Mac OS, Linux, and FreeBSD. One other feature of this software is the newly added P-1 factoring. Along with that it also has Step 1 GCD for ECM. When it comes to LL tests, Prime95 can perform enhanced error checking.




Available for Windows as well as Mac OS, Cinebench Software is used for measuring the performance of CPU and GPU. Its significant features include the system’s performance is checked using a 3D scene. This means for measuring the performance of the CPU, it includes a photo-realistic 3D scene in a test scenario.

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In the process of CPU Stress Testing, all the available cores are stressed using the various algorithms and the results thereafter displayed are in points. This scene uses various algorithms and gives stress to all available processor cores. Thus, the higher the number, the faster will be the processor. Cinebench like other software on the list is free of cost. 




AIDA64 is another CPU Stress Tool that takes a practical approach by mimicking real-world processes. This software can place a 100% load on the processor to test it and can detect fake video cards of NVIDIA and monitor sensor values.

Intel CPU platforms and the latest AMD are supported by AIDA64. It provides Apps for iOS and Windows phones that are available for download free of cost. Unfortunately, AIDA64 costs about $34.99 and is not free like the others. Luckily AIDA64 provides a 30-day free trial to its users.



How to CPU Stress Test

The purpose of a CPU Stress Testing and processor stability test is to check the performance of every component to determine how smoothly the CPU works. This is done by running the components at full speed, under high load, and at a maximum temperature.

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In this process, almost all the cores of the chip are burdened to ensure a thorough test. To run a CPU stability test follow the steps given below:

  • Step 1: Start the CPU Stress Test at maximum load
  • Step 2: Wait 30-60 seconds.
  • Step 3: Run this tab in the background
  • Step 4: Simultaneously, switch to other applications or tabs.
  • Step 5: Ensure smooth running of this system in  this “stressful situation”
  • Step 6: It should not affect your usual tasks.
  • Step 7: Monitor the “Speed” and “FPS” indicator
  • Step 8: Make sure that their values do not drop significantly.
How to do CPU Stress Test
How to do CPU Stress Test

Frequently Asked Questions

FAQ 1: CPU stress test is safe?
Answer: Other than the case where you are doing CPU stress tests for a month, it is perfectly safe. Also, if your CPU hits its critical limits, the PC will shut down before any harm can be done.

FAQ 2: How long does CPU Stress Test take?
Answer: To ensure stability, one doe not need more than one hour of CPU Stress Test which’s plenty of time for your CPU to reach its maximum temperature. In case of doubt,  let it run for 24 hours.

FAQ 3: Should you stress test your PC?
Answer: Before doing any kind of important work, it’s good to test a new system to make sure all the components function correctly under load on it. This will also help you find out how hot your computer will get before you need to start worrying about it.

FAQ 4: How hot is too hot for the CPU?
Answer: CPU processor shouldn’t be hotter than 75 degrees Celsius or 167 degrees Fahrenheit, nor should it be colder than 20°C/68°F. In order to keep your PC cool, keep your PC well-ventilated and clear dust from vents and fans

FAQ 5: Best software for CPU stress test Ryzen?
Answer: In the field of CPU stress testing, the most reliable and widely popular CPU stress test is Prime95 which is a go-to tool. This tool finds the Mersenne prime number using the CPU and generates a heavy workload.

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This is all for CPU Stress Test and tools through which you can check. If you are new to us then don’t forget to subscribe to our newsletter for more exciting updates on gaming and tech.

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