(And the limit is obviously set lower than what the silicon could actually handle.) Just look at Apple's laptops: they run hot as all hell and throttle like there's no tomorrow, all to stay slim and quiet, yet they also have a well deserved reputation for longevity. The CPU has built in protection circuitry to avoid any type of thermal damage, and there is no evidence suggesting that the CPU takes any kind of damage from running at TJmax for extended periods of time - it'll simply throttle down to avoid going over the limit. When it comes to RAM you want to aim for at LEAST 8 hours stable and preferably 24 hours for your OC to be considered good.A bit unrelated to the topic - undervolting might be worthwhile despite this - but you really shouldn't worry about those thermals. 5-10 minute tests do not validate your overclock/undervolt and even for basic changes on your CPU/GPU you need to spend a couple of hours (overnight preferably). If you are committed to a manual tune you need to dedicate the necessary time to see if your settings are stable. You can test in-game while you tune frequency/timings for progress or regression but you cannot use a game as a stability test for RAM under any circumstances. 1-2 hours of VT3-VST in y-cruncher to test the IMC and then 96 cycles of TM5 with the PCB Destroyer as a baseline. You want to test for at least a couple of hours when it comes to your RAM overclock/tighter timings because, with RAM, errors can show 8+ hours into the test meaning you are not truly running stable values.ĭO NOT run some basic tests like MemTest86 or AIDA64 since these are known to not identify errors. RAM Stability TestingĪs mentioned in this article you need to use heavy tests on the RAM because this is a very sensitive component that can cause a lot of issues down the road if unstable. Even from my own experience, most times I think I should be stable with my CPU/GPU OC, I end up needing to increase the voltage or reduce the frequency because of an unexpected crash 30+ minutes into the testing. If you do not have the patience for it simply run stock values and enjoy your gaming time. If you want to test your GPU run Superposition 8K for at least an hour, and if you want to test your CPU overclock run OCCT AVX2 – Small – Extreme/ Prime95 Small FFTs. Low usage benchmarks like Cinebench also offer limited usability because there is nowhere near enough stress on the components. Power consumption and thermals do not scale linearly between games, and do not scale even within the same game – some loading screens can pull 2x the amount of power from your CPU when it is pre-caching shaders. Some may say that this is not necessary since gaming loads in terms of vcore/wattage/temperatures are a lot lower, but the problem of testing your overclock/undervolt with a game is that each game has different requirements. When it comes to CPU/ GPU voltage and frequency tweaking the best way to proceed is to hit each component with the hardest benchmark/stress test you can find.
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