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How long does it take for a CPU to TurboBoost?

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Culbrelai

Member
Joined
Oct 25, 2012
Another one of my weird questions, sorry:

How long does it take for a CPU to go from an idle state (e.g. 760 mhz) to it's max turboboost frequency? Microseconds? Could you ever notice stutter from it? Would turning off TurboBoost (and thereby making it run at max freq at all times) give less average "lag"?
 

trents

Senior Member
Joined
Dec 27, 2008
It should happen immediately as soon as you put a load on the system. I don't know how you would measure it but there should be no stutter or lag noticed.
 

EarthDog

Gulper Nozzle Co-Owner
Joined
Dec 15, 2008
Location
Buckeyes!
And I believe it improved on Kaby...

It should not cause stuttering or anything no. Want to f8nd out if that is the culprit??? Test it. Run with full clocks and run with boost... report back on your 'butt dyno' experience. :)
 

Woomack

Benching Team Leader
Joined
Jan 2, 2005
On new platforms it's not even affecting benchmark results. It slightly affects results when you run full C states as then it puts some part of the chip into "sleep". It's also not recommended to use more than C1+EIST when you are overclocking as there can be some problems with high enough voltage while quick idle/load switching and you may see some instability ( not always ).

XTU sometimes gives "bonus" points for lower temps, lower voltages etc. I have no idea how it's counted but I've noticed that couple of times.
 
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