Intel SpeedStep is disabled, why is my CPU going stupidly slow?

i5 2500k
My CPU was fine for a very long time and all of a sudden (after installing a new CPU fan recently) I have been having bad FPS and slow processor speeds. So I decided to do a 'quick' intel burn test. Here is what happened
During: [1] (processor only going ~800MHz, should be going 3.3GHz)
Post: [2] (224 seconds for 2 tests, it should be about 25 seconds)
Notes; Intel SpeedStep is disabled.
My CPU is going 1.6Ghz as I type this.
I have a GTX 780 and I was getting bad FPS during CoD4 because of my processor going ~800Mhz
4 answers Last reply Best Answer
More about intel speedstep disabled cpu stupidly slow
  1. What temps? Sounds like overheating.
  2. Reset bios settings and test or enable speedstep again and test
  3. Someone Somewhere said:
    What temps? Sounds like overheating.

    Here it is with SpeedFan temps next to it.

    It reached 73 by the end, only took 90 seconds to complete this time.
  4. Best answer
    Core 0: 95C. Overheating and thermal throttling.

    Pull the fan, clean and apply new thermal paste, and try again.
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