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Voltage, clock speed and power consumption
While the clock speed is the first characteristic that identifies the benefits, while the increase of tension is a variable used to reach higher clock speeds, the voltage is the parameter that affects the energy consumption. The increase in clock speed has a lower impact on consumption than the increase of operating voltage, which impacts more heavily. Similarly, the reduction in operating voltage can greatly reduce fuel consumption.
Low-voltage products
Many laptop processors are simply modified versions, to consume less, desktop counterparts. Think of the Intel Core 2 mobile: it is optimized versions, but in certain conditions consume and offer services identical to those of the brothers for desktop PCs. The Core 2 Duo T-series, have a TDP of 35 W (maximum power consumption of 35 watts), while the P series does not exceed 25 watts.
There are versions with low power consumption for desktop processors: AMD provides long-efficient processors, identified by the suffix and (Phenom II X4 900th and 905th, or X4 9350e), Intel Core 2 Quad models offer the "s" which offer the same benefits of regular models, but have a TDP of 65W instead of 95W. Although these processors are usually more expensive, both in idle which are able to reach peak power consumption reduced, as promised.
CPU low cost do-it-yourself ?
Considering the benefits described above, why not change the operating voltage of the processor on our behalf? We took two MSI motherboard, the P45D3 Neo, recently used for the article "Core 2 Duo better when overclocked, and we have matched with a Core 2 Extreme QX9650, along with a 790FX-GD70, used for the tests with the AMD Phenom II X4 955.
