Slashdot Mirror

← Back to Stories (view on slashdot.org)

Undervolting a Laptop

Posted by ScuttleMonkey on from the too-late-for-my-laptop-graveyard dept.

Delph1 writes "Laptops often comes with two Achilles heels, heat and limited battery time. There are, if not cures, at least remedies to make them less obvious. By lowering the voltage to the processor you can not only drastically lower the heat dissipation, but also increase the battery time significantly. NordicHardware gives a nice walk through on the process and was able to boast 18% lower temperature and a 20% reduced power consumption."

2 of 262 comments (clear)

  1. It's 18% cooler only in Celsius by RNLockwood · · Score: 0, Redundant

    If you use the American temperature scale (degrees Farenheit) you get a smaller temperature drop: 15%. If you measure in Kelvins you only get 4%.

    For an excercise devise a scale that will give a 50% temperature drop, it's a lot more impressive and means about as much as measured in Celsius!

    --
    Nate
  2. LOL relative temperatures by NotQuiteReal · · Score: 0, Redundant
    I know, I know, there is an absolute temperature scale, but I'll bet most people wouldn't bat an eye at relative temperature comments like "wow, it's 50 degress today - it was twice as hot last summer when it was 100!".

    Oh - here's a good one. In Farenheit - boiling water is only 6.625 times hotter than ice! Of course on the Celsius scale boiling water is infinitely hotter than ice!

    Quick - what's the opposite of circle?

    --
    This issue is a bit more complicated than you think.