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How to test processor and RAM stability with Prime95

Prime95, processor, RAM, stability, Test


Overulsing, especially the processor (given how easy it is for manufacturers with open combinations) is a common practice, because it allows win a number of tasks merely touching other organs, though yes, with the dissolution of a high consumption and temperature.

The problem, in addition to the temperature or its use, is that after passing through the system sometimes stops getting stronger and we suffer «hangs», BSOD or failures when calculating. For this reason, after excessive overload, either in processor or RAM, it is necessary to use some cables «tools for abuse»Pressing the PC to the limit and, in this way, make sure it can do that and that overclocks are completely stable.

How to test stability with Prim95

Prime95 is one of the longest and most well-known tools for monitoring system stability, especially useful after excessive depletion as we have described. It has many years and is still getting updates, which is why it remains one of the most widely used as it is a series of calculations algorithms that continue to take processors to their limits, it doesn't matter how many cores or processors you have.

You can download it for free from Prime95 development website.

After opening it, the first thing we will see will be a window where we can choose what kind of test we want to do.

In the number that allows us to write, by default the system will have determined how many threads to process and the maximum number will be able to. In the example case, the processor is a Core i7-8700K with 6 strings and 12 threads, so Prime95 already shows 12 threads as the default number. This will be the number of simultaneous processes that will work to compress the processor to its limit.

These are the tests we can do:

  • Smallest FFT: With this test, a very small amount of calculations will be performed, resulting in a complete processor, and a large portion of L1 and L2 cache memory will be tested.
  • Minimum FFTs: same as above, but add L3 cache. These two tests are good if we only want to test the processor or its optimum temperature.
  • MediF FFTs: similar to the first one but the L4 cache is added in the state of having it. Otherwise, it turns out gray.
  • Large FFs: Pressure up to RAM memory and memory controller.
  • Blend (recommended): This test is a combination of all of the above, and it is worth it because when we break down the printer it affects the RAM in a tangible way, and in the same way when we make OC to RAM, it affects the processor.
  • Custom: allows us to customize the test.

Once the method we want to use is selected, press OK and the tool will start working, showing us the calculation and results in real time.

Now a good thing to test for stability is to leave Prime95 working for a while, for at least an hour. The system will run a series of tests automatically and will stop when errors are detected. If this is the case, then we will know that overbursts are unstable and we will have to find a way to do it (reduce speed, increase in power, etc.).

To stop the test, we have to press the test -> Stop menu. The program will show you a brief summary.

It is important that during the test you integrate Prime95 with the Hardware monitoring tool, so that you can watch out for temperatures because during the test we will demand higher value from the processor and RAM, so their temperatures can be increased and especially after excessive swimming.

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