CPU Speed Wrong

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MillerTheFeeler

Commendable
Sep 14, 2016
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Hello, Lately ive noticed that my computer started being a bit noisy, Specifically my CPU cooler, I started monitoring my Temps using OpenHardware and noticed that even while my CPU is idle, It sits at 4198 MHz which cause to each one of the 4 cores to jump from 45 to 60 degrees and back every couple of seconds, I am a bit worried of those temp spikes.
Ive tried to restart it and let it sit without being touched at all with OpenHardware running, And after about 5 or 6 minutes it jumped from 800 MHz to 4198 MHz while still being idle.
To mention, I am a complete noob when it comes to BIOS and all of that things.
Also to mention, Ive never touched the BIOS when it comes to over clocking and all of that and none of the threads about this on the forum did not help me to fix my problem.

My hardware:
Intel Core I7 4790k 4.00 GHz 8MB L3 Cache

Arctic Freezer i11

Asus Z87M-PLUS LGA1150

Corsair Value 2x8GB DDR3 1600MHZ CL11

Asus GTX960 4GB STRIX OC DirectCU


 
Solution
M
I found the solution, After running my Avira 2 times and doing everything that is possible, Ive noticed my BIOS and Chipset were outdated, Downloaded the latest updates, Installed them and surprise surprise, My CPU is back to 800 MHz with the normal temp of 35 C as idle.
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Shaun o

Shaun o

Illustrious
Oct 7, 2007
6,113
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I`m not exactly with you on what you are saying.
But in your bios settings of the motherboard Miller.

If you have Intel turbo boost enabled and also Intel speed step options.

When your cpu is at Idle with no activity from yourself with the computer, or launching any program the frequency of the cpu should sit at around 800Mhz. The core voltage while the cpu is at the 800Mhz frequency will also be much lower, something like 1v.

As soon as you run a program, or play a game, watch a film, or just browse the internet the frequency of the cpu should increase.

And when the cpu is required to do a very intensive task it should reach it`s maximum clock speed, and the core voltage of the cpu will also increase to around 1.25 volts.


To keep the Intel cpu running at it`s maximum frequency or speed all of the time disable Intel speed step technology in the bios and also auto cpu boosting.

Then simply manually set the desired multiplier value in the bios settings for your I7 4790K cpu/

The base frequency of the cpu should be 100 Mhz, or 200Mhz.

To get the frequency required the base frequency is multiplied by the cpu multiplier setting in the bios.

200 x 24 = 4800Mhz or 4.8 Ghz overall speed of the cpu.
 
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MillerTheFeeler

Commendable
Sep 14, 2016
12
0
1,520
I'll try that later on, But what I was on about, Even when my computer is idle with nothing opened, It sits for around 5 minutes at the speed of 800 MHz and then goes up to 4198 MHz with the core temps jumping every sec from 45 to 55 and around that, I am concerned about that happening while my PC is idle, In the BIOS the Intel boost is set to enabled and The Intel Speed Step set to default with no other options so I guess it is disabled, I've read around on Reddit that having SpeedSte on causes the CPU jump up and down in Voltages which can cause trouble, Is it some BS or is it actually the case?
 
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M

MillerTheFeeler

Commendable
Sep 14, 2016
12
0
1,520
I found the solution, After running my Avira 2 times and doing everything that is possible, Ive noticed my BIOS and Chipset were outdated, Downloaded the latest updates, Installed them and surprise surprise, My CPU is back to 800 MHz with the normal temp of 35 C as idle.
 
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