from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To modify a CPU by the use of underclocking


Sorry, no etymologies found.


  • Search the posts on macrumors for "underclock" and there is a good thread comparing everyone's coolbook settings.

    MacUpdate - Mac OS X

  • AMD's six-core Phenom II X6 CPUs will underclock three cores and automatically overclock the other three

    ZDNet News - News Page One

  • AMD's six-core Phenom II X6 CPUs will underclock three cores and automatically overclock the other three Rumor: Apple testing AMD chips for future Macs.

    ZDNet News - News Page One

  • CHIP DESIGNER AMD intends to implement "Turbo Core" technology in its upcoming Phenom II X6 chips, which will underclock three out of six cores and overclock the other three depending on system load levels.

    The Inquirer

  • Because the chips will underclock three cores down to a leisurely 800MHz, those cores running at close to a 20 per cent overclock will be able to stay within the thermal design power envelope of 95W or 125W.

    The Inquirer

  • It's different from shutting themselves down, they simply underclock themselves so that they don't overheat.

  • It's uncertain if Apple will have to underclock the A4 or otherwise make significant changes to accommodate the tighter spaces and power requirements of a handset.

    MacNN | The Macintosh News Network

  • Im assuming this is because the 4th core was also meant to be run at higher speeds ... say out of a batch of high clocked quads where 1 core couldn't quite keep up, so they underclock all three of the cores and call it an X3.

    The Tech Report: News

  • We've come a long way with innovating lower power chips in the last few years to the point where I think you'd probably want to look having an Intel Atom or other modern low power alternative as your CPU rather than trying to underclock an older power-wasting CPU.

    Ask MetaFilter

  • This also means if two cards have the same GPU but run at different speeds the faster one will have to be underclock to match the slower, so they will be able to run at the same speed.

    Alice Hill's Real Tech News - Independent Tech


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