How do you turbo boost i7 4790k in Asus z97

Tom Tan · Jul 11, 2015

with Cooler Master 212 Evo.
How do you turn in on and how do you check it?

de5_Roy · Jul 11, 2015

turbo boost works automatically. when you do something cpu intensive, the cpu will turbo boost as long as thermal headroom is available.
it's enabled by default. however, you can change turbo behavior from bios.
you can check with any clockrate monitoring utility like cpuid's cpu-z.
asus' ai suite also has a clockrate monitoring utility. bring it up, load your cpu and watch the clockrates change.

this article should help you understand:
Intel® Turbo Boost Technology Frequently Asked Questions
http://www.intel.com/support/processors/sb/CS-029908.htm

Tom Tan · Jul 11, 2015

de5_Roy :

There is a non Turbo performance option selected(and Turbo Performance is a choice of it but not selected and it's default setting)
when i run a stress test in optimized default setting, it only stay around 3999mhz....

Reaper_7799 · Jul 11, 2015

Tom Tan :

Make sure it's checked for turbo performance. It should come turned on as default. Go into the uefi bios when you restart your comp or are first starting, hit f2 when it shows the writing at the bottom of the screen while booting up. That takes you into uefi bios and go into the advanced settings or into ai tweaker and look for anything that has to do with turbo or anything like that and make sure it is checked to turn on.

Then when you exit hit save and exit, not load optimzed default settings or whatever and then it will restart again with the saved changes.

Tom Tan · Jul 12, 2015

Reaper_7799 :

the following is the Internal CPU power management where I found a Turbo term at(is that the only one needed? It's on default)

here are more voltage at 4.0 system default

and this is the boot performance mode that default is "Max Non-Turbo" is it the cause of my cpu not getting up to 4.4 during stress test?

so should i select it to turbo performance?
Here is another one in the advanced page which is similar to the first one right?

Help

Reaper_7799 · Jul 12, 2015

Yes set that last one to turbo and make sure you save settings and exit, not load optimized settings.

Reaper_7799 · Jul 12, 2015

no that's just during boot, you can leave that

Reaper_7799 · Jul 12, 2015

Everything looks like it's enabled there. You could go ahead and just overclock it to 4.4 if you want, you have hyper 212, that's what I'm using now and it keeps it cool enough.

Reaper_7799 · Jul 12, 2015

I'll go look in mine and see if it's in there somewhere hidden.

Reaper_7799 · Jul 12, 2015

That's how mine is set up and it works fine. You can download this from intel, go into the manual tuning and check the settings to make sure nothing is accidentally turned off. If you can't figure it out and you just want to overclock it to 4.4Ghz, let me know. It's easy to do and will work if you need it.

https://downloadcenter.intel.com/download/24075/Intel-Extreme-Tuning-Utility-Intel-XTU-

de5_Roy · Jul 12, 2015

Tom Tan :

asus boards have two different turbo settings. keep the enhanced turbo (multicore enhancement) setting disabled. that one auto overclocks top single core turbo clockrate to all cpu cores. it's not factory default.

the one from the cpu power management menu is the default turbo mode. that one should be enabled.

in addition to that, enable the one from AI Tweaker menu as well. that one handles power and time limits for turbo to be active. just keep the turbo mode enabled and the rest alone.

the one in the boot menu is to reduce turbo clockrates when in BIOS. when in bios, the power saving options are usualy disabled, causing the cpu to run at it's constant base clockrate.

after setting up, save settings from exit menu and reboot.

Tom Tan · Jul 12, 2015

Reaper_7799 :

wat do you mean by last one? the boot turbo performance section?
before I do it, when I play LOL, frequency can jump to 4299 sometime...does it mean I am in turbo now? does 550w a good power supply to turbo or oc?

Tom Tan · Jul 12, 2015

de5_Roy :

can you take picture of which one is which? I believe the only one I didn't enable is the boot turbo performance one in Max Non-Turbo Performance....What do I do if I just want to stick at 4.0 not over? disable all the section with the name of turbo? so optimal default is a turbo default?

Tom Tan · Jul 12, 2015

Reaper_7799 :

I dont want to OC, is turbo treats cpu nicer with less damage?
Can you show me a way that make my cpu stay at the stock frequency?

Reaper_7799 · Jul 12, 2015

Tom Tan :

Yeah sorry about that, I looked at it quickly and it was just for the boot turbo, which you don't need. Yeah, if you are using stock speed, it will only jump up to the frequency it needs at any given time. So, it wont always run at 4.4 but if it feels it needs it, it will go to 4.4 and stay if it continues to need it. Whereas, if you overclock to 4.4, it will always stay at 4.4 unless you have power saving settings turned on and such like that.

You can also go into control panel and go into system and security and then into power options and then change plan settings to high performance. If you then click on change plan settings and then advanced power settings it will give you a list of things to choose from. You can then go down to processor power management, press the plus sign and under minimum processor state change it to 100%. I believe though, if you are still stock, this will just make your processor stay at the stock speed of 4.0 and not force turbo on all the time. So it will still use turbo only when it needs it.

Reaper_7799 · Jul 12, 2015

And yes, if you just use turbo, it will be better for your cpu as it wont always be at 4.4ghz but will only use the extra power if it needs too.

de5_Roy · Jul 12, 2015

Tom Tan :

you'll find the multicore enhancement in the AI tweaker menu, ASUS Multicore Enhancement -> set it to "disabled".
the ai tweaker > cpu power management > turbo mode (right under the EIST speedstep setting) > set it to enabled, if it's disabled.
then, in the "advanced" tab > cpu power management configuration > turbo mode > set it to enabled.

the setting in "boot performance mode" essentially lets you choose cpu turbo behavior when you're browsing through the BIOS. by default, the cpu runs at costant base clockrate in BIOS as the power saving features like EIST only kicks in after you start the operating system. but this time, you can set how the cpu will run in BIOS. the first setting is the default one, will run the cpu at constant base clockrate (max. non-turbo). the second one (max battery) sets the cpu miltiplier to the minimum, basically underclocks the cpu while in BIOS. the third one enables turbo ratios in bios.these are pretty self-explanatory, look at the bottom of the screen where each setting was explained well.

if you want to disable turbo, which would stick the cpu at 4.0 GHz base clockrate, disable it from the ai tweaker menu and from cpu power management configuration setting.

the default mode is turbo enabled, but asus goes one step further and enabled multicore enhancement, which is *Not* a factory default setting.

Tom Tan · Jul 12, 2015

de5_Roy :

Tom Tan :

you'll find the multicore enhancement in the AI tweaker menu, ASUS Multicore Enhancement -> set it to "disabled".
the ai tweaker > cpu power management > turbo mode (right under the EIST speedstep setting) > set it to enabled, if it's disabled.
then, in the "advanced" tab > cpu power management configuration > turbo mode > set it to enabled.

the setting in "boot performance mode" essentially lets you choose cpu turbo behavior when you're browsing through the BIOS. by default, the cpu runs at costant base clockrate in BIOS as the power saving features like EIST only kicks in after you start the operating system. but this time, you can set how the cpu will run in BIOS. the first setting is the default one, will run the cpu at constant base clockrate (max. non-turbo). the second one (max battery) sets the cpu miltiplier to the minimum, basically underclocks the cpu while in BIOS. the third one enables turbo ratios in bios.these are pretty self-explanatory, look at the bottom of the screen where each setting was explained well.

if you want to disable turbo, which would stick the cpu at 4.0 GHz base clockrate, disable it from the ai tweaker menu and from cpu power management configuration setting.

the default mode is turbo enabled, but asus goes one step further and enabled multicore enhancement, which is *Not* a factory default setting.

can you list me a step for turbo and step for disable turbo?
when I run prime95, or aida, my frequency always stick at 3999mhz, when i play LOL, sometimes it goes over to 4299
is the stress test make this way or something wrong with my processor?

Tom Tan · Jul 12, 2015

Reaper_7799 :

here is the utility thing Reported 4.18? I am runing prime95 at that time

Reaper_7799 · Jul 12, 2015

de5_Roy :

Tom Tan :

you'll find the multicore enhancement in the AI tweaker menu, ASUS Multicore Enhancement -> set it to "disabled".
the ai tweaker > cpu power management > turbo mode (right under the EIST speedstep setting) > set it to enabled, if it's disabled.
then, in the "advanced" tab > cpu power management configuration > turbo mode > set it to enabled.

the setting in "boot performance mode" essentially lets you choose cpu turbo behavior when you're browsing through the BIOS. by default, the cpu runs at costant base clockrate in BIOS as the power saving features like EIST only kicks in after you start the operating system. but this time, you can set how the cpu will run in BIOS. the first setting is the default one, will run the cpu at constant base clockrate (max. non-turbo). the second one (max battery) sets the cpu miltiplier to the minimum, basically underclocks the cpu while in BIOS. the third one enables turbo ratios in bios.these are pretty self-explanatory, look at the bottom of the screen where each setting was explained well.

if you want to disable turbo, which would stick the cpu at 4.0 GHz base clockrate, disable it from the ai tweaker menu and from cpu power management configuration setting.

the default mode is turbo enabled, but asus goes one step further and enabled multicore enhancement, which is *Not* a factory default setting.

So that multicore enhancement just basically drives off whatever your top core is running at currently and then makes all the other cores do the same? I guess if you have your cores synced, it probably wouldn't affect anything. You would want that off if you were overclocking each core differently right?

de5_Roy · Jul 12, 2015

Tom Tan :

i just did, in the previous post. set those settings to enabled, turbo will turn on, set them to disabled, turbo will be turned off.

Tom Tan :

does it happen after you disable the settings (the ones i mentioned) in BIOS?

keep in mind that changing turbo settings only affect the cpu multiplier.

Tom Tan · Jul 12, 2015

Reaper_7799 :

Tom Tan :

Yeah sorry about that, I looked at it quickly and it was just for the boot turbo, which you don't need. Yeah, if you are using stock speed, it will only jump up to the frequency it needs at any given time. So, it wont always run at 4.4 but if it feels it needs it, it will go to 4.4 and stay if it continues to need it. Whereas, if you overclock to 4.4, it will always stay at 4.4 unless you have power saving settings turned on and such like that.

You can also go into control panel and go into system and security and then into power options and then change plan settings to high performance. If you then click on change plan settings and then advanced power settings it will give you a list of things to choose from. You can then go down to processor power management, press the plus sign and under minimum processor state change it to 100%. I believe though, if you are still stock, this will just make your processor stay at the stock speed of 4.0 and not force turbo on all the time. So it will still use turbo only when it needs it.

1. Do I have to change Boot Turbo Performance?
2. I chosed the High Performance Power plan now and it's 100% in default.

Reaper_7799 · Jul 12, 2015

No you do not have to change boot turbo performance, it will not affect what happens in windows.

Tom Tan · Jul 12, 2015

de5_Roy :

i still have not started yet can you tell me the setting i should change after I set it back to optimal default?
keep it simple, like
Turbo Performance set it to/-> Max Non-Turbo Performance/ Turbo Performance
like that.

de5_Roy · Jul 12, 2015

@tom tan: that higher clockrate sometimes results from the mobo applying a slightly higher bus speed than default e.g. instead of 100 MHz, 101 or 100.5 MHz.

Reaper_7799 :

basically. it forces the top single core turbo clockrate on all cores. for example, if your cpu has 3.0 GHz base clockrate and 3.7 GHz max single core turbo clockrate, enabling mce will result in the cpu running at 3.7 GHz on all cores on a loaf scenario.

no, it doesn't sync cores. that setting is different iirc. that one for applying the same multi on all cores.

yes, you'd want it and the per-core clockrate syncing disabled if you want to o.c. each core separately.

How do you turbo boost i7 4790k in Asus z97

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