Have you ever wondered what uses the most battery power on your laptop? Well here is a list of the most power consuming devices on your laptop. This list of course does not including peripheral devices.
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LCD: 43%
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Chipset: 21%
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Processor: 9%
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Graphics: 8%
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Hard Drive: 5%
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Network: 4%
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Other bits: 10%
The two items that surprised me were the chipset and hard drive. From the “olden days” hard drives consumed way more power than anything else. That belief lasted for a long time in the computer world. I knew that the power consumption had been reduced but not that much.
In Windows 7 Microsoft has used this information to optimize it’s power consumption. You will notice things like your LCD screen dims if you don’t use your computer 2 min on battery and 5 min when connected to the AC. Even Windows 7 slide show will be paused if it’s on battery power. So many small things they looked at to enhance the battery life.
So the next time you tweaking your screen settings think about your battery life and if it is really needed to tweak that setting.