CPU Running constantly at turbo speed?

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tehpatrick

Reputable
Apr 21, 2014
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4,510
I have an Intel i5-4570 and an MSI Z87-G43.
When I first booted and installed windows, I went back into the BIOS just to check everything was running properly. I noticed that the RAM was running at a lower frequency, at something like 1333 MHz I think. Since I had 1866 memory, I changed the settings to that. However, I notice that my CPU is always running at it's turbo speed of 3.6 GHz (checked using HWiNFO64).

Is this safe?
 
Solution
photonboy
Go into your motherboard BIOS, then:
1) Set to Factory defaults
2) click "XMP" and save the settings (optimal DDR3 memory profile. Should show 1866MHz).

That should set the default for both CPU and DDR3 memory optimal settings including the Intel Power Management. I also recommend getting the manual and reading through the BIOS settings for the CPU, but EIST and Turbo should both be enabled, and most other things should be AUTO.

*It's possible you may have to make a few changes after resetting to factory defaults. Possibly the Boot Order.

I didn't think you could disable that anyway with a non-overclockable processor but perhaps I'm wrong.

If BIOS is older than v1.7 update it first.

The last update was 2014-2-26 and says:
-...
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photonboy

photonboy

Titan
Jun 20, 2006
21,567
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85,015
Hi,
First, I recommend using CPU-Z instead to see if the frequency is changing.

Secondly, you don't have an overclockable CPU so it's impossible to run at 3.6GHz constantly unless you were actually stressing all cores in a stress test or converting video.

In idle-mode you should see the frequency toggling up and down in CPU-Z.
 
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tehpatrick

Reputable
Apr 21, 2014
2
0
4,510


Hey,

I installed CPU-Z and it says the same thing, always around like 3.4-3.6 GHz while not doing anything intense.
In the task manager, it says CPU usage is low, around 8% or so.

 
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photonboy

photonboy

Titan
Jun 20, 2006
21,567
13
85,015
Go into your motherboard BIOS, then:
1) Set to Factory defaults
2) click "XMP" and save the settings (optimal DDR3 memory profile. Should show 1866MHz).

That should set the default for both CPU and DDR3 memory optimal settings including the Intel Power Management. I also recommend getting the manual and reading through the BIOS settings for the CPU, but EIST and Turbo should both be enabled, and most other things should be AUTO.

*It's possible you may have to make a few changes after resetting to factory defaults. Possibly the Boot Order.

I didn't think you could disable that anyway with a non-overclockable processor but perhaps I'm wrong.

If BIOS is older than v1.7 update it first.

The last update was 2014-2-26 and says:
- Improved RAID card compatibility.
- Improve memory compatibility.
- Updated VBIOS and GOP Driver.
- Support Next Generation Processors.
 
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