Home device power use: Difference between revisions
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* Assume 40W or more for laptops, idling at 10W with things dialed down | * Assume 40W or more for laptops, idling at 10W with things dialed down | ||
* 150W or more for desktops, idling at 100W (can be much less, if specialized) | * 150W or more for desktops, idling at 100W (''can'' be much less, if specialized) | ||
: counting basic monitors (larger and brighter may add | :: counting basic monitors (larger and brighter may add more) | ||
:: most gaming machines don't go over 300 or 400W when working hard | |||
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====Monitor==== | |||
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Assume that a modern LCD panel takes around 25W for a 20" screen. | |||
It can be a more, depending largely on size and brightness (a 30" might be 60W, a 40" might be 100W). | |||
In standby they tend to still use a few watts. | |||
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====Storage==== | |||
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[[Image:spinup power.png|thumb|right|211px|Three platter drives made to spin up in sequence]] | |||
Platter may take 4 to 10W while spinning (more while spinning up - assume it might be 20W) | |||
Solid state might be 3 to 5W for SSDs and NVMe in use (can be multiples higher for higher end), and can be negligible while idling. | |||
Note that for platter, a good portion of which may just be to keep it spinning, | |||
whereas SSD power use is more related to how much you use it (in particular write), | |||
and can be quite low when idle. | |||
Note that SSD isn't much more efficient than platter in active use, but ''is'' when idle. | |||
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====Can we do better?==== | |||
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Yes. | Yes. | ||
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====CPU==== | =====CPU===== | ||
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== | =====Motherboard===== | ||
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Revision as of 17:01, 8 April 2024
Computers
tl;dr:
- Assume 40W or more for laptops, idling at 10W with things dialed down
- 150W or more for desktops, idling at 100W (can be much less, if specialized)
- counting basic monitors (larger and brighter may add more)
- most gaming machines don't go over 300 or 400W when working hard