How to turn on turbo mode

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Aug 19, 2018
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I am getting a new system with an i7 9700k CPU. It is advertised as 3.6 GHz and 4.9 GHz in turbo mode. How will I switch between the two speeds and how will I know which one is active?
 
I am getting a new system with an i7 9700k CPU. It is advertised as 3.6 GHz and 4.9 GHz in turbo mode. How will I switch between the two speeds and how will I know which one is active?
Turbo should be enabled by default.

As for the maximum turbo mode speed, that depends on how many cores are in use. That varies from 4.9 GHz when only a single core is in use, 4.8 GHz when two cores are being used, 4.7 GHz with three or four cores used, and finally 4.6 GHz when more than four cores are in use.
 
turbo-button-on-old-pc.jpg
 
Turbo should be enabled by default.

As for the maximum turbo mode speed, that depends on how many cores are in use. That varies from 4.9 GHz when only a single core is in use, 4.8 GHz when two cores are being used, 4.7 GHz with three or four cores used, and finally 4.6 GHz when more than four cores are in use.
IMO the single core turbo speed is almost meaningless cause usually at least 2 cores are loaded
 
IMO the single core turbo speed is almost meaningless cause usually at least 2 cores are loaded
And in the history of turbo'd Intel CPUs, there have been a few that stayed at stock non-turbo speed when all cores are loaded. And there may have been a couple that stayed at stock non-turbo speed when more than two cores are loaded.
 
And in the history of turbo'd Intel CPUs, there have been a few that stayed at stock non-turbo speed when all cores are loaded. And there may have been a couple that stayed at stock non-turbo speed when more than two cores are loaded.
Not sure I follow what you’re saying. For most current gen CPUs you can find the turbo tables on chip wiki or Wikipedia.
 
Turbo should be enabled by default.

As for the maximum turbo mode speed, that depends on how many cores are in use. That varies from 4.9 GHz when only a single core is in use, 4.8 GHz when two cores are being used, 4.7 GHz with three or four cores used, and finally 4.6 GHz when more than four cores are in use.


Just to expand on this, the wattage plays a big part in your all core turbo. Under gaming you’ll probably hit the full all core turbo. Gaming isnt as CPU intensive as most people thing hence the CPU can run under its long term max wattage. Under AVX workload, which really makes the core work, you’ll probably be at base clock.

If you raise the max long term wattage, you can sustain higher turbo boosts under load at the cost of heat.
 
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