Build an Energy Efficient PC

Tom's Hardware has a great guide on energy efficiency, discussing about ways to save power at different levels: technology, component, product, and user.

"Selecting the right components is important in building an energy efficient machine. If you go for an old Pentium D instead of the current Core 2 Duo processor, you will get two processing cores in both cases and even higher clock speeds with the Pentium D. The old Pentium generation is based on the NetBurst architecture, though, which is considerably slower than the Core 2 family (including the Pentium Dual Core, which is a stripped down version). Despite its deficient performance, the Pentium D will still consume much more power than a Core 2 processor under all possible conditions. Clearly, selecting the right technology is very important." [Tom's Hardware | Tom's Energy Efficiency Guide]

The guide also suggests some component choices for your next PC build.

AMD System:

• Gigabyte GA-MA78GM with AMD780G Chipset motherboard
• AMD Phenom X4 9100e processor

Intel System:

• ECS G33T with Intel G33 Chipset motherboard
• Intel Core 2 Duo E8400

Other components:

• Samsung Spinpoint F1 HD103UJ (1 TB) hard drive
• Western Digital WD10EACS hard drive
• Radeon HD 3870 graphics card
• GeForce 9600 GT graphics card
• Silverstone ST50EF Plus (500 W) power supply unit

It's interesting to see that Tom's Hardware chose an AMD780G Chipset motherboard for the AMD system. I'm sure that Nvidia fans may opt for a motherboard with the NVIDIA GeForce 8200 chipset, but unless we have the concrete numbers as to which chipset is more efficient, we may just have to go with subjectivity on this matter.

Other than that, I'm sure that the components mentioned in the article would be a good guideline for your next energy efficient PC build.

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