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by joncrane
1722 days ago
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>If my PSU's 12V rail can deliver 250W, and my cooler can easily displace 250W, why not let my processor consume that much? 1) Because electricity costs money
2) In the summer, your AC also has to get rid of that heat from your conditioned space, using even MORE electricity. |
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not to an extent that really matters to a home user. let's say you actually let your cpu draw 250W 24/7. average US consumer electricity rate is ~$0.13/kWh. that would add ~$23 to your monthly electricity bill. certainly a lot for a single component, but not likely to matter to the sort of person who would buy a high end cpu in the first place. if you could get the same performance using 100W, you would only save about $14 each month. and of course most people don't max out their cpu 24/7, so the actual savings would be even less.