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i5 4570 Turbo Boost not working

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  • Intel i5
  • Turbo Boost
  • CPUs
Last response: in CPUs
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July 20, 2014 5:51:24 PM

So, I realize I must sound like the biggest noob,but hear me out. I have an i5-4570 on a z87 mobo and my cpu doesn't seem to ever turbo up to 3.6 GHz like advertised. I realize that Intel intends for this feature to be automatic, but even when I use CPU stress test software and use CPU-Z to measure my clock speed I still can't get it to change from 3.2 GHz. Is there a setting in my Bios that I need to change or am just missing something? Any help would be appreciated.

More about : 4570 turbo boost working

a c 163 à CPUs
July 20, 2014 6:58:41 PM

It's enabled by default. What are your temps?
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July 20, 2014 8:16:29 PM

k1114 said:
It's enabled by default. What are your temps?



After running five-ish minutes of a stress test, I got about 66 to 67 C.
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a c 163 à CPUs
July 20, 2014 8:40:29 PM

The turbo boost setting in bios is simply an on/off but other settings could interfere. Have you or anyone ever changed anything in bios?
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July 20, 2014 9:13:25 PM

k1114 said:
The turbo boost setting in bios is simply an on/off but other settings could interfere. Have you or anyone ever changed anything in bios?


Not to my knowledge. I did install my OS (Windows 8.1 Pro) via USB drive if that helps at all. I will double check, though. Is there any particular setting that should be set to on/off?
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a c 163 à CPUs
July 21, 2014 8:35:17 AM

Turbo should be enabled. Power limits should be on auto. Cpu ratio should be auto or 36.
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July 21, 2014 8:04:58 PM

k1114 said:
Turbo should be enabled. Power limits should be on auto. Cpu ratio should be auto or 36.


Well, I checked and I was able to find the power limits and CPU ratio. The power was set to auto and the CPU was set to 36 just like you said. I still wasn't able to find a turbo setting, though. The odd thing is, in my bios, it says that my CPU has a base clock of 3.6 GHz.
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