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|Pentium D 820 (2.8 GHz)||$241|
|Pentium D 830 (3.0 GHz)||$316|
|Pentium D 840 (3.2 GHz)||$530|
These numbers are not official, but it is likely that they won't change much.
The average thermal loss of the Pentium D and Pentium Extreme Edition processors will likely be higher again than earlier models, so it is fortunate that Intel did not forget to give them its SpeedStep technology. After enabling this feature in the BIOS and changing the Windows energy profile to 'mobile/portable', the system will be able to dynamically adjust the clock speed according to the current workload. However, we would love to see lower minimum clock speeds in order to further decrease thermal loss and energy consumption.