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Coretemp / CPUZ VID

post #1 of 18
Thread Starter 
I'm confused. I posted in a thread where I thought I was reading the VID. So I'm told that you cant read the VID from that program. Puzzled I open up coretemp + CPUZ. I read the VID off.

Plugged in:

CPUZ - 1.275v
Ctemp- 1.1625v

Battery

CPUZ - 1.063v
Ctemp- 0.9500v


I'm confused which is which. Also does the VID change (on a laptop?) That doesn't make sense...So really its two questions:

Which is the real VID?

Do power saving modes change the VID?


Edited by justarealguy - 12/24/08 at 9:14pm
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post #2 of 18
I'd say that the real vid is the the one where the cpu is running at rated speed, which is 1.1625v @ 2.0ghz
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post #3 of 18
Thread Starter 
Quote:
Originally Posted by Mikecdm View Post
I'd say that the real vid is the the one where the cpu is running at rated speed, which is 1.1625v @ 2.0ghz
Yes but only one program is saying that. At the rated speed coretemp shows 1.1625v, whereas CPU-Z says 1.275...
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post #4 of 18
Go to your BIOS, you will see your vCore there.
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post #5 of 18
Being a laptop I have no idea which program shows the "correct" VID. I don't think it really matters much, anyway, since you aren't going to overclock it.

Quote:
Originally Posted by tusku View Post
Go to your BIOS, you will see your vCore there.
These mobile processors don't have VCC_SENSE outputs so you can't tell what the Vcore is that the CPU has actually dropped to.
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post #6 of 18
Thread Starter 
Well the laptop idea I threw in there is because I'm not on my sig rig atm lol.

On a desktop which is correct?
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post #7 of 18
Quote:
Originally Posted by justarealguy View Post
Well the laptop idea I threw in there is because I'm not on my sig rig atm lol.

On a desktop which is correct?
Both.
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post #8 of 18
Thread Starter 
Quote:
Originally Posted by error10 View Post
Both.
So on a desktop they'd read the same thing? Why is it different on a laptop?
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post #9 of 18
Quote:
Originally Posted by justarealguy View Post
So on a desktop they'd read the same thing? Why is it different on a laptop?
Go home and get on your desktop.

On your desktop, CPU-Z doesn't display the VID, it displays the Vcore as measured off the VCC_SENSE pin on the CPU socket. Mobile CPUs don't have such a pin, so it displays VID instead. Or seems to. Obviously one of the two is incorrect in the case of your laptop, though I really have no way of knowing which.
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post #10 of 18
Thread Starter 
Quote:
Originally Posted by error10 View Post
Go home and get on your desktop.

On your desktop, CPU-Z doesn't display the VID, it displays the Vcore as measured off the VCC_SENSE pin on the CPU socket. Mobile CPUs don't have such a pin, so it displays VID instead. Or seems to. Obviously one of the two is incorrect in the case of your laptop, though I really have no way of knowing which.
I am at home tehee.

Thanks for all your help error bro, really appreciate the clarification. +Rep.
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