12 Best Free Software For CPU, GPU, RAM Stress Test For PC

Have a problem with an old computer aging system or overclocking any of the components when building the new computer? Here we suggest some software for RAM, CPU, GPU stress test to install on your computer and check its stability. This is very important to ensure that your computer will work well either in starting up or running on the programs.

In this guide, we are going to share the software you can use to overcome the problem particularly in testing the system’s components, for instance, the best CPU stress test, the best RAM stress test, and the best GPU stress test.

Check them all out below along with the additional information you may need. You may take note of some important information that may be many advantages.


The Best CPU Stress Test For Windows PC

The first thing you have to find out is the best CPU stress test. Carrying out the stress test over your CPU typically includes checking the stability of the processor which runs after the overclocking and checking if there is a cooling problem on the CPU. To get these two checked, the following software will be much of an advantage.


1. Prime95

Best CPU Stress Test For PC

Best CPU Stress Test For PC


Looking for the best GPU stress test? Prime95 was developed by GIMPA as a computing project to find new Mersenne prime numbers. It includes the torture test in the program to ensure accurate operation in the way of searching the numbers. Many hardware enthusiasts adopt the torture test to assist them to stress their computer processor, particularly after they overclock the CPU and memory.

Prime95 is a popular software program for stress and torture testing a CPU. It has been widely used by overclockers and system builders to test the stability of their CPUs and processor cache. The software puts a heavy load on the processor by utilizing its integer and floating point instructions, and it also uses all cores of a multi-CPU/multi-core system to ensure a high-load stress test environment. By testing the stability of the computer, Prime95 helps to identify hidden flaws in key components such as CPU, memory, and cooling, which can lead to incorrect calculations and unexplained system crashes.

Overclocking is a common practice among computer enthusiasts to increase the speed of the CPU and memory for better performance. However, pushing a machine past its limits can be risky, and it is important to ensure the stability of the system. That’s where stress testing programs like Prime95 come in handy. They put a heavy load on the system to test its stability and identify any flaws or weaknesses. With Prime95, both overclockers and non-overclockers can test the stability of their systems and ensure they are working properly.


2. Aida64

aida64 cpu temperature

aida64 cpu temperature


What is the best overclocking software? Aida64 is one of the best software for CPU, and GPU stress test, Aida64 is a software of CPU stress tests which is widely used. Compared to the torture test offered by prime95 to push the operation in an unrealistic way, Aida64 comes more practically through mimicking real-world processes and is able to load up to 100% on the test.

The only downside of Aida 64 is the charge. Yeah, it is not free. Aida64 requires you to pay $34.99 for a handful of stress tests. This is not very expensive but it is considered not ideal to take as an option among the users.

Aida64 offers a 30-day trial which is available for free. You can actually optimize this feature to try the software when you really need to use it. When you are finished, you don’t have to pay for the software installation.


3. IntelBurn test

IntelBurn test

IntelBurn test


The next stress test for CPU you can try is the IntelBurn test. This is an ideal stress test tool you can use maximally to determine stability. Like Prime95, the IntelBurn test works further than necessary in pushing the processor. It can even more unnecessary stress on your computer’s processor than Prime95 does.

More typically, the CPU stress test is performed to check the CPU’s performance after running the full speed which is completely up to the maximum temperature. When you perform the CPU stress test, the cores inside the multi-core system will start to be used. later, the CPU will be tested with a justified and compatible workload.


The Best GPU Stress Test For PC

The second thing to know after the CPU stress test is the GPU stress test. There are always a variety of options dealing with GPU stress tests. Now you can try to push your GPU maximally by one of the following benchmarks:


4. Heaven and Valley Benchmarks

Heaven and Valley Benchmarks

Heaven and Valley Benchmarks


If you’re looking to stress test your GPU, the Heaven and Valley benchmarks are a great option to consider. These benchmarks were formerly known as Unigine and have become very popular in the graphics card testing community. The software is not only great for testing stability, but also for testing your card’s performance after overclocking. Additionally, the Heaven and Valley benchmarks can be used as a synthetic benchmark to gauge how well your graphics card performs overall. With its VR features, the Heaven and Valley benchmarks are definitely worth considering for anyone looking to test their GPU.

The Heaven and Valley benchmarks are a great option for those looking to test the limits of their graphics card. These benchmarks are known for their ability to stress test a GPU and are often used by enthusiasts and professionals alike. In addition to their stability testing capabilities, the Heaven and Valley benchmarks can also be used to benchmark a GPU’s performance. What’s more, these benchmarks offer VR features that make them an attractive option for anyone looking to test their graphics card’s VR capabilities. So if you’re looking to put your graphics card to the test, the Heaven and Valley benchmarks are definitely worth checking out.


5. 3DMark

Best GPU Stress Test

Best GPU Stress Test


3DMark is a software tool that allows you to test your computer’s performance by generating highly demanding game-like visuals in real-time. This enables you to evaluate your system’s ability to handle intensive graphics and processing tasks, and identify areas where your computer’s performance may be lacking.

The tool includes three stunning tests for DirectX 9, DirectX 10, and DirectX 11 hardware, which can be used to evaluate everything from tablets to gaming PCs. The Ice Storm, Cloud Gate, and Fire Strike tests are designed to measure different aspects of your system’s performance and provide a comprehensive assessment of its capabilities.

One of the most significant advantages of 3DMark is that it is easy to use, and no technical know-how is needed. Moreover, 3DMark Basic is free for home users, which makes it accessible to a wide range of users. However, there are other paid versions available that include many more benchmarks and tests.

In addition, you can compare scores across Windows, Android, and iOS platforms, and even create a free online account to manage your results. This can be especially useful if you want to track your progress over time and see how your system’s performance improves with upgrades or optimizations.

The latest update to 3DMark Windows (version 2.26.8092 Steam) includes support for the launch of the AMD FSR feature test for 3DMark Advanced Edition and 3DMark Professional Edition. This new feature test allows you to evaluate your system’s performance when using AMD’s FidelityFX Super Resolution technology.

In summary, 3DMark is a valuable tool for anyone looking to evaluate their system’s performance and optimize it for maximum efficiency. With its range of tests and benchmarks, easy-to-use interface, and support for multiple platforms, 3DMark is an essential tool for gamers, designers, and professionals alike.


6. FurMark

FurMark GPU Stress Test

FurMark GPU Stress Test


FurMark is another GPU stress test option you can try. Many enthusiasts do not prefer using this stress test due to the unrealistic amount of stress on the graphic card. FurMark can only be used for a short time. Many users say it is not the best option for your graphic card stress test.

FurMark is a powerful stress-testing tool designed for the Windows platform, which puts your graphics card or GPU through its paces with intense processing demands. This stress test helps evaluate your system’s performance by simulating a range of demanding graphical scenarios. Additionally, FurMark is also an efficient OpenGL benchmark that allows you to compare your scores online against other users.

Despite its intensity, FurMark is surprisingly lightweight and easy to use. The tool requires no advanced technical knowledge, making it accessible to a wide range of users. Furthermore, FurMark is available for free, making it a budget-friendly option for anyone looking to assess their system’s performance.

Whether you’re a gamer, designer, or power user, FurMark can help you determine if your graphics card or GPU is up to the task of handling demanding graphical tasks. By identifying areas where your system may be lacking, you can take steps to optimize your computer’s performance and achieve better results. Overall, FurMark is an essential tool for anyone seeking to maximize their system’s graphical capabilities.


The Best RAM Stress Test For PC/ Laptop

Now it’s time for you to check out the best RAM stress test, too. In relation to the software for CPU, GPU stress test, this software works out your system’s memory not only to detect any issues that may occur in your RAM but also to check the computer’s stability after overclocking. Thus, its function is the same as CPU and GPU stress test.

There are two software or tools offered to stress test your RAM we are going to present in the following.


7. Memtest86

memtest86 ram test

memtest86 ram test


Memtest86 is the first RAM stress test you can try to test your system’s memory and solve any issues. There is also Memtest86+ version. It was an offshoot of MemTets86 but it has not been updated since 2003, thus, it is no longer used now. If you want to stress-test your RAM, you can install and use this tool which is always updated.


8. Prime95 Blend Test

Best RAM Stress Test

Best RAM Stress Test


The second software you can choose to help you overcome issues on RAM is Prime95 Blend test. It is a popular CPU stress test tool, however, the “blend” mode torture test serves the incredible RAM stress test. This tool is considered best to your RAM stability. Meanwhile, if you want to check the memory stability, Memtest86 is a better option.

Notice, if you have any of the troubles such as bluescreen or system reboot, you should firstly perform RAM stress test.


Best Hardware Monitoring Tools


While you are running stress tests on your system, hardware monitoring tools are necessary to use to monitor the temperature and load levels of your system. In this concern, there are some tools or software you can consider using while you are benchmarking.


9. ALCPU’s Core Temp

ALCPU Core Temp

ALCPU Core Temp


Core temp is one of the hardware monitoring tools which is also listed as a nice lightweight CPU. This tool is designed to provide you with real-time temperature reading and load percentages on your computer’s processor. It also offers readings for temperature and load on each individual core of your CPU particularly if you have an Intel processor.

Meanwhile, if you have AMD temperatures, this tool will only show a single temperature for the whole CPU.

In relation to software for CPU, GPU stress test, Core Temp supplies the basic information on your processor and tells you the CPU frequency and voltage whether they are running well or not. Additionally, there are a few handy plugins available for Core Temp that comes differently in types due to the capabilities expansion.


10. GPU-Z




The second monitoring tool you can try to use is GPU-Z. Similar to Core Temp, it is not only monitoring your CPU but also obviously monitoring your GPU. Along with this tool, you will be able to monitor your GPU’s temperature and load on your GPU. It also works to monitor the GPU’s clock speed, onboard memory clock speed, fan speed, and the number of memory used along with other things.


11. MSI Afterburner

msi afterburner

msi afterburner


MSI Afterburner is the third monitoring tool you can take into the list. It specializes to monitor your graphic card hardware. However, it turns into its utility tool along with the other features that exist to accompany it. It allows you to overclock your GPU, run-in-game benchmarks, set custom fan profiles, and record gameplay video as well as take-in-game screenshots.


12. HWiNFO64




Now you can also consider installing and using HWiNFO64 as a part of the software for CPU, GPU stress test. Do you know? It is one of the more advanced hardware monitoring software that lets you monitor more than one core component available in your System. HWiNFO64 will also help you track both the temperatures and the other related information on your CPU, GPU, RAM, and motherboard. It additionally helps you track the fan speeds, component loads, and more.

Tips: Hardware monitoring tools should be run based on the usage. Make sure you check that your CPU is well-ventilated and cooled down properly before you decide on performing hardware stress testing. The most important to do is check whether or not the power supply is good. In this case, makes sure the power supply is good to support another program to perform well.


Which Stress Test Tool You Should Choose and Use

Well, it would be very difficult to consider which stress test tool you will choose and use to work for you. In this concern, the best suggestion is to use multiple stress test tools or software. It is considered the best idea to let you use multiple tools we have just shared above.

It is due to the fact that multiple tools will let you know how well the components in your system will help you overcome the problems. If you cannot perform one of the tools successfully, you can still try to use the others.



Having read the review about software for CPU, GPU, RAM stress test, you must find a conclusion that all the software is much recommended to use. They are all good along with their own features and ability to help you find a solution over the CPU and GPU stability.