Quad CPU?

By Justice101
Nov 9, 2009
  1. I'm kinda a newbie to CPU stuff and I've been wondering, if you have a quad core CPU running at 2.8 GHz, does that mean that all 4 cores are running at that speed or all 4 cores combined equal this speed. I'm guessing not because atm i am on a computer with a single core running at 3.0 GHz.
    thanks for any answers :)
  2. red1776

    red1776 Omnipotent Ruler of the Universe Posts: 5,219   +157

    Hi Justice,
    It means that each individual core is running at 2.8Ghz
  3. Justice101

    Justice101 TS Rookie Topic Starter

    Ok thanks, thats what i thought
  4. IvanAwfulitch

    IvanAwfulitch TS Booster Posts: 218   +11

    Just in case you need some more interesting info, here's a piece to chew on.

    A lot of people who are new to processors automatically assume that 4 processors running at some speed....say...2.5...means that their total power is 2.5 + 2.5 + 2.5 + 2.5 for a total of 10 gigaHertz. This is in fact totally false, if you couldn't tell by my example. Each individual core may be running at 2.5ghz, but having 4 of them simply means that the work is divided amongst those 4 cores. Having less stuff to process makes things quicker and more efficient.
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