'Stock voltage' is the voltage the chip requests from the motherboard when running at stock speeds. This should be called the vid to reduce confusion.
Cpuz measures current voltage. So if you boot the computer on default settings, the current voltage is the vid. This is indeed not printed on the boxes. It will fall in the range 0.80V to 1.375V for the D0 i7 chip.
It is a popular opinion that how far a chip overclocks depends on its vid, the reasoning being you can increase the voltage further from default before you hit 1.375. I believe it is fair to say that the majority of chips with a low vid clock well, however it is not required to have a low vid in order to clock well.
A better measure is probably what voltage it will run stock speed at, as this should be fairly reflective of the quality of the silicon. Vid is the voltage intel think it will run at stock speeds at, in any motherboard. As a result, a better board may well run it using less than the vid. The lowest voltage for stock speeds in your board can be considered the vid tailered to your system.
I think I've repeated myself at points, but hopefully this makes sense. Searching out batch numbers remains good practice, as each batch will have been made slightly differently. Not every chip from one batch will have the same vid. The vid is a crude indicator of a chip's overclocking potential
Cpuz measures current voltage. So if you boot the computer on default settings, the current voltage is the vid. This is indeed not printed on the boxes. It will fall in the range 0.80V to 1.375V for the D0 i7 chip.
It is a popular opinion that how far a chip overclocks depends on its vid, the reasoning being you can increase the voltage further from default before you hit 1.375. I believe it is fair to say that the majority of chips with a low vid clock well, however it is not required to have a low vid in order to clock well.
A better measure is probably what voltage it will run stock speed at, as this should be fairly reflective of the quality of the silicon. Vid is the voltage intel think it will run at stock speeds at, in any motherboard. As a result, a better board may well run it using less than the vid. The lowest voltage for stock speeds in your board can be considered the vid tailered to your system.
I think I've repeated myself at points, but hopefully this makes sense. Searching out batch numbers remains good practice, as each batch will have been made slightly differently. Not every chip from one batch will have the same vid. The vid is a crude indicator of a chip's overclocking potential
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