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Got to try out an ultrabook for the first time - Page 2

post #11 of 16
Turbo only applies when one core is being used, if all cores are being used then it won't turbo.
post #12 of 16
Thread Starter 
Quote:
Originally Posted by jrbroad77 View Post

Power management settings devil.gif Well, actually, the max single-core turbo is 2.7ghz. So you'll have to run Prime95 just one one core (and 1 thread). I'm not sure on the max dual-turbo, maybe it's 2ghz if you can't adjust any power management settings.
I put it to the maximum performance profile under the power settings thumb.gif
Quote:
Originally Posted by ablearcher View Post

2.4GHz is the dual core max turbo for that chip. However, the OEM can set a TDP limit in the BIOS (like what Dell does with their M11x line...), to whatever they like.
I completely overlooked the BIOS on it. Maybe I'll take a look at it next time I come in to work.
Quote:
Originally Posted by AchuSaysBlessYou View Post

Turbo only applies when one core is being used, if all cores are being used then it won't turbo.
This isn't an AMD chip LOL. Turbo is being applied as the spec'd speed is 1.7Ghz. You can see from the screen shot that its at 2Ghz with all 4 threads being used. My question was why the cores weren't going up to the rated 2.7Ghz Turbo.
post #13 of 16
Quote:
Originally Posted by uncholowapo View Post

I put it to the maximum performance profile under the power settings thumb.gif
I completely overlooked the BIOS on it. Maybe I'll take a look at it next time I come in to work.
This isn't an AMD chip LOL. Turbo is being applied as the spec'd speed is 1.7Ghz. You can see from the screen shot that its at 2Ghz with all 4 threads being used. My question was why the cores weren't going up to the rated 2.7Ghz Turbo.

Use ThrottleStop. http://forum.notebookreview.com/hardware-components-aftermarket-upgrades/531329-throttlestop-guide.html

Well, I would assume that Asus is limiting the CPU temperature. Maybe they're throttling it some other way. Anyways I already answered why it's not hitting 2.7ghz - that's the max single-core turbo. Intel doesn't list the different turbo levels on their site, nor in their official specs; just max SC turbo.

You can find the single/dual turbos here. Note the number is the amount of bins ( 1 bin = 100mhz for SB, I think it's 133 for 1st-gen). http://en.wikipedia.org/wiki/List_of_Intel_Core_i5_microprocessors
 
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post #14 of 16
Quote:
Originally Posted by uncholowapo View Post

This isn't an AMD chip LOL. Turbo is being applied as the spec'd speed is 1.7Ghz. You can see from the screen shot that its at 2Ghz with all 4 threads being used. My question was why the cores weren't going up to the rated 2.7Ghz Turbo.

Turboboost is nevertheless NOT an overclock because the cores are not supposed to both hit 2.7 GHz... I'm not sure what you meant by the AMD reference, but from this article:

http://www.intel.com/content/www/us/en/architecture-and-technology/turbo-boost/turbo-boost-technology.html
Quote:
Any of the following can set the upper limit of Intel Turbo Boost Technology 2.0 on a given workload:

Number of active cores
Estimated current consumption
Estimated power consumption
Processor temperature

What i'm saying is that 2.7 GHz should only be obtainable if only one core needs the speed, if two cores can run at 2.7GHz 24/7 it, then why not call the CPU an i5-2540M and make it a full powered CPU... there's got to be a give and take (don't say because this one takes less power, an i5-2540M probably uses the same amount of power at the same clocks w/ speedstepping). But since your chip can't do that, but it still needs the processing power on both cores, you're going to hit 2.0 only

In fact, you can use this tool:

http://www.intel.com/support/processors/sb/CS-031038.htm

and it'll show how much you're turbo-ing to.
post #15 of 16
Thread Starter 
Quote:
Originally Posted by AchuSaysBlessYou View Post

Turboboost is nevertheless NOT an overclock because the cores are not supposed to both hit 2.7 GHz... I'm not sure what you meant by the AMD reference, but from this article:
http://www.intel.com/content/www/us/en/architecture-and-technology/turbo-boost/turbo-boost-technology.html
What i'm saying is that 2.7 GHz should only be obtainable if only one core needs the speed, if two cores can run at 2.7GHz 24/7 it, then why not call the CPU an i5-2540M and make it a full powered CPU... there's got to be a give and take (don't say because this one takes less power, an i5-2540M probably uses the same amount of power at the same clocks w/ speedstepping). But since your chip can't do that, but it still needs the processing power on both cores, you're going to hit 2.0 only
In fact, you can use this tool:
http://www.intel.com/support/processors/sb/CS-031038.htm
and it'll show how much you're turbo-ing to.

Ummm... ok.,didn't mean to get you mad there tongue.gif
post #16 of 16
After seeing this, I really wonder how Trinity and Ivy Bridge perform.
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Corsair CX430 NZXT Source 220 Logitech Click! Mouse SteelSeries QcK Mini Diablo III Edition 
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