AIDA stability test

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SimonGranstrom

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My i5-4670k is currently at 4.7ghz and during normal stress tests, it rarely passes the 80°C mark.
But when i stress FPU, it overheats and shuts down within seconds.
Is this normal or is something wrong, for example is the thermal paste ont applied correctly?
 
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mr1hm


i think 70C is fine, at least while playing Arma 3. AIDA's FPU test is extremely intensive on the CPU and will stress your chip harder than P95. Haswell's MAX temperatures (Tj max) are 105C but, i highly recommend you stay under 90C to prevent throttling of the CPU.
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Roland Of Gilead

Roland Of Gilead

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no, its not normal. yes, there is something slightly wrong. Chances are, it's one of two things. Your voltage to CPU is too high, and producing too much heat (it's definitely an unstable overclock). Or your cooling isn't sufficient.

You need to start by dialling back your OC, And stress test. Personally I use Prime95 small fft's. Its more reliable than other methods. Your temps should not be going over say 65 degrees. 80 is too high, and that's why its shutting down. It's protecting itself from failing.

You should use Coretemp to establish your CPU's VID, which will give you a starting point for overclocking your CPU safely. Once you have the VID you can begin to OC slowly and raise the voltage should you need to for stability. Ideally you want your temps below 65 at full load (mine will touch low 60 on full stress testing.
 
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mr1hm

mr1hm

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i think 70C is fine, at least while playing Arma 3. AIDA's FPU test is extremely intensive on the CPU and will stress your chip harder than P95. Haswell's MAX temperatures (Tj max) are 105C but, i highly recommend you stay under 90C to prevent throttling of the CPU.
 
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Roland Of Gilead

Roland Of Gilead

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not wanting to sound rude, but you've missed the point. You have an unstable overclock. You need to find stable settings, to allow your PC to function 24/7 properly, or you will continue to have issues, even if you dial back to 4.6!!!.
 
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Roland Of Gilead

Roland Of Gilead

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I wont get into which is the better for stress testing, AIda, Prime or IBT. They are all similar, some getting your CPU hotter than others. I think its widely accepted that, a combination of two of those is good, but P95 being the main one, as it can find stability issues where the others do not.
 
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SimonGranstrom

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Prime95, 12 hours run - stable and never above 80C.
 
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Roland Of Gilead

Roland Of Gilead

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I'm kinda confused. Your first post says your not stable when stress testing FPU, then your 12+ hours P95 stable in your last post!?
What are your settings for P95? You should use small fft's to ensure only cache and CPU are tested. If your 12 ours stable on small ffts then it's pretty much a given you have stable CPU settings. Could be your mem is the reason your shutting down. If your temps are steady and your passing P95 for that long, it's pointing in the direction of something else, which isn't right. Have you tested your mem?
 
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mr1hm

mr1hm

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it's true that P95 can show stable results and that it's a solid stress test but, there have been countless articles/reviews/threads about the potential harm P95 can bring onto the CPU; also, there has always been lots of talk over why CPUs crash in a simple game when they've tested for 8+ hours. your statement about P95 finding stability issues where other programs do may have been true a while ago, but P95 is unrealistic, sure it can ramp up your temperatures and have you believe that you're going to stable in ALL things you do on that PC but, it completely misses specific areas of the CPU...

Asus and Intel have already stated AIDA64 is recommended as its' stress tests have been designed for the Haswell architecture. it will test those specific areas like AVX/AES and other instruction sets that P95 just completely misses...

Simon, my recommendation for you is to go with a quick test of AIDA64's FPU stress test, make sure your monitoring the temps and don't plan on running it for long as youll quickly notice an extreme rise in temperatures, i usually stick with around 30min to 1 hour; after that, launch Arma/most used programs and make sure there are no irregularities or WHEA erorrs.

4.6 is a solid overclock :)
 
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SimonGranstrom

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As i mentioned, when i start the FPU test, the CPU overheats within seconds but it never passes 70C in games and it's completely stable. It has never crashed when i have been playing games.(i play for several hours almost every day because i live "in the forest")

 
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