Im confused

So I overclocked my i5 3750K (I think) using my ASRock Z77 extreme 4 board's AXtu utility. It reads 4400 MHz. CPUZ reads 1600MHz Which do I believe and why are they different?
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  1. Best answer
    First, you shouldn't ever use any software to OC, period, but to answer your question, what you're seeing is SpeedStep doing it's job and it's completely normal. Idle with SpeedStep enabled is 1600Mhz and that's what you're getting.
  2. OK Thank You
  3. You're welcome. :)
  4. Best answer selected by byf.
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