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Windows 7: CPU speed question

22 Jan 2015   #1
realflow100

Windows 7 Ultimate x64
 
 
CPU speed question

How would I slow a processor down to "Half" it's original speed? Do I divide the frequency in half? or is there some other more complicated matter involved? this applies to multi-core or single core.


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22 Jan 2015   #2
Dude

Windows 10 Pro X64
 
 

You would access your BIOS, if it allows you to you can change the speed. Most branded computers do not allow much. Here is an example how it looks on my bios

CPU speed question-cpu-setting-bios.png


My System SpecsSystem Spec
22 Jan 2015   #3
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

I have a silly question.
Why would one want to do such a thing.

Quote:
How would I slow a processor down to "Half" it's original speed
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22 Jan 2015   #4
Dude

Windows 10 Pro X64
 
 

Good question, I guess to save power maybe.
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22 Jan 2015   #5
logicearth

Windows 10 Pro (x64)
 
 

Intel SpeedStep, built into Windows power management. Just adjust the Max Processor Fregrency from there. However, it does not guarantee the processor will be cut in off, but will try.

Screen shot from a quick search:
What Is Minimum And Maximum Processor State In Windows 7 Power Management? - Super User


I personally set the minimum to 1% on my system to get to the lowest available.
My System SpecsSystem Spec
22 Jan 2015   #6
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

Here we are busting our humps to push it passed 5 GHz and someone wants to cut their cpu in half
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22 Jan 2015   #7
logicearth

Windows 10 Pro (x64)
 
 

Quote   Quote: Originally Posted by AddRAM View Post
Here we are busting our humps to push it passed 5 GHz and someone wants to cut their cpu in half
Cause, it does not need to stay at 5ghz while I browse the intertubes.
My System SpecsSystem Spec
22 Jan 2015   #8
Dude

Windows 10 Pro X64
 
 

Quote   Quote: Originally Posted by logicearth View Post
Quote   Quote: Originally Posted by AddRAM View Post
Here we are busting our humps to push it passed 5 GHz and someone wants to cut their cpu in half
Cause, it does not need to stay at 5ghz while I browse the intertubes.
No it needs to boost past 6

CPU speed question-surfing-5g.png

I use speed step. This is a real ss I got, although I could never validate at that speed. Just a weird spike


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23 Jan 2015   #9
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

Now that`s the spirit

I Love the smell of CPU in the morning.
My System SpecsSystem Spec
23 Jan 2015   #10
realflow100

Windows 7 Ultimate x64
 
 

jeeze that bios is like a full blown OS! Mine is more like a bios from 2004 Can't even touch the CPU speed other than enabling and disabling intel speedstep

using min and max CPU power in control paenl on the power saver power plan does seem to alter the clock speed though. lowest i got was 1333mhz or so at 0% min and 0% max i can also set a low performance balanced and high performance checkbox on my GPU

and when i disable idle states (enabling hidden power plan option via registry)
my CPU always locks at it's highest turbo frequency. 2.415Ghz which is amazing and makes everything much more snappy and doesn't change the temperature by a single degree

but i still dont know how to cut my CPU speed exactly in "half" (testing)
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