![]() If you want to really test your cpu even if it's for daily use and not for gimps I don't think anyone complains about you doing a few DC with it. )Then I will run some DC before I'm confident that the cpu is good. Leaving it on when going to work and staring DC after dinner. Maybe a hiccup here and there.įor gimps cpu I will run for minimum 12 hour. So if you pass p95 for 60 min you will probably not have any issues in daily workload on your PC. And p95 is extreme for cpu both with heat and other errors. And you know if you will be in the heat range you are aiming for. You will probably find errors on OC within 30-60 min. #PRIME95 CPU STRESS TEST PC#That's on a PC that's not going to crank numbers for gimps. When I want to check hardware I use p95 for about 30-60 min. I used to test each separately in hopes of identifying the culprit for a failure, and found that two separately stable OC settings for cpu and ram could combine to make for rare crashes and data corruption.Īnother reason to do 24hr test is that an OC that's right on the edge of instability might work fine in the evening, but fail in the heat of the day. If I'm overclocking RAM to any settings more aggressive than SPD built-in settings, I run torture tests for 48hr or more to try to ensure memory is stable.Īn aggressive cpu OC and a maybe-aggro RAM OC can produce rare errors that either one on its own do not. Some failures, particularly RAM hiccups, manifest themselves very rarely. Once I started doing tasks where accuracy mattered and crashes could cost me a day's computation or more, I started testing with P95 for 24 hr or more. Some custom-watercooled systems have quite a lot of heat capacity in the water, and take hours to reach maximum CPU temp. As long as I was willing to accept occasional hard crashes of my machine, I called an overclock "stable" if it lasted an hour on P95. The only utilities I've ever found that come as close as possible to 100% TDP are Prime95 v26.6 Small FFT's for thermal testing, which is a steady workload, and Asus RealBench for stability testing, which is a fluctuating workload.Īlthough the topic of Prime95 (with and without AVX) was covered, I would like to have seen RealBench included in your test suite, as it's widely accepted as an excellent utility for testing overall system stability, and uses a realistic AVX workload.Most desktop rigs running Prime95 reach their maximum operating temp after 10 to 15 minutes most overclocking failures will manifest themselves because thermals are what gets in the way of most overclocks. ![]() However, since Intel validates their thermal specifications at a steady 100% TDP, it's most appropriate to select utilities that don't overload or underload the CPU. This article provides some excellent comparisons. ![]() #PRIME95 CPU STRESS TEST SOFTWARE#Since most users test their rigs without a sense of scale for power and temperature, they can't compare apples to apples, especially when combined with major variables such as differences in ambient temperature, hardware configurations and software utilities. Otherwise, great work! I was very pleased to read this article!Ģ0741319 said:As the author of the Intel Temperature Guide - I can fully appreciate how much work went into creating this outstanding article, which has been sorely needed! The only utilities I've ever found that come as close as possible to 100% TDP are Prime95 v26.6 Small FFT's as a steady workload for thermal testing, and Asus RealBench as a fluctuating workload for stability testing.Īlthough the topic of Prime95 (with and without AVX) was covered, I would like to have seen RealBench included in your test suite,since it's widely accepted as an excellent utility for testing overall system stability, and uses a realistic AVX workload. Nevertheless, our results are very similar. The Intel Temperature Guide differs in its approach toward the topic of processor Core temperatures and cooling with respect to Intel's TDP specifications, and distinguishes between steady workloads for thermal testing versus fluctuating workloads for stability testing. This article provides a perspective and some excellent comparisons. ![]() As the author of the Intel Temperature Guide - I can fully appreciate how much work went into creating this outstanding article, which has been sorely needed! ![]()
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