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98 Posts

10-25-2008

NYC

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i7-820 performance

2010-09-07, 6:47 AM

Follow up question :)

Regarding the i7-820 processor (1.73 Ghz).  Its my understanding that these things 'turbo boost'

in times of need.  I've been keeping a close eye on resource monitor -- I do a lot of heavy 3D CAD and

numerical analysis (but not a great deal of multi-tasking).

 

I've never seen this processor (2 months now) go above 1.73.  In addition, 4 (if not 5) of the cores

shown are usually "parked".  Is the turbo boost something I should see happen in resource

monitor?  Is there any way to make the processor use all of its cores?

 

Thanks.

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68 Posts

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Cali

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Re: i7-820 performance

2010-09-07, 7:33 AM

I might be able to answer this one...  Basically what turbo boost is doing is using less cores to increase speed for the remaining cores to get max speed it would basically stop using all but 1 core to get you that 3.06GHz speed all while it retains the 45W power for this cpu.  This happens when applications can't utilize multiple cores but your 3D CAD software most likely can utilize multiple cores to help render in the background.  Anyways to see your turboboost in action you'll need to download the software from Intel, here's the link

 

http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&ProdId=3052&DwnldID=19105&lang=eng

 

After all that, you could always try setting the processes to a specific CPU to see if it makes any difference.

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68 Posts

09-07-2010

Cali

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Re: i7-820 performance

2010-09-07, 7:33 AM

I might be able to answer this one...  Basically what turbo boost is doing is using less cores to increase speed for the remaining cores to get max speed it would basically stop using all but 1 core to get you that 3.06GHz speed all while it retains the 45W power for this cpu.  This happens when applications can't utilize multiple cores but your 3D CAD software most likely can utilize multiple cores to help render in the background.  Anyways to see your turboboost in action you'll need to download the software from Intel, here's the link

 

http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&ProdId=3052&DwnldID=19105&lang=eng

 

After all that, you could always try setting the processes to a specific CPU to see if it makes any difference.

0 person found this solution to be helpful.

This helped me too

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98 Posts

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Re: i7-820 performance

2010-09-08, 7:32 AM
Thanks player! its been interesting to watch. So far I've tried to put the machine through its paces but it hasn't gone past 2.0 GHz yet.

Are there any other settings that effect this?
I'm on a docking station with the big power supply.

Thanks again.
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68 Posts

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Re: i7-820 performance

2010-09-08, 19:45 PM

Not sure I'm still new to all of the i5/i7 stuff.  But first thing first is to make sure your power settings are at max.  So go to your Advanced Power Settings, at least choose High Performance and go in to the advance settings and make sure your maximum cpu on battery and plug is at 100%

 

Also you could try some other benchmark software too.

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98 Posts

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Re: i7-820 performance

2010-09-09, 20:47 PM

have done a bit more digging...

We have two other W510's in the office.. both of which make it to 2.8 Ghz when under

heavy load.

 

I've started watching power usage in the Power Manager.

 

All of the W510's get to 59 W or so.. and 2 of the 3 show 2.8 Ghz in the intel gadget.

Mine, however, refuses to pass the 2.0 mark.

 

-Tony

 

PS.. I'm set to max power .. could any BIOS setting be affecting this?  I don't think I've

fooled around there anyway.  I do not have the latest bios (I have the last one) -- but

there do no appear to be any significant fixes in there.  Finally, I do have the Intel

Management Engine uninstalled -- from what I've read its not a platform I need running.

Possible problems?

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250 Posts

04-18-2010

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Re: i7-820 performance

2010-09-10, 16:58 PM

This might help too http://forum.notebookreview.com/lenovo-ibm/480518-facts-turbo-boost.html

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98 Posts

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Re: i7-820 performance

2010-09-10, 20:22 PM

Great find! thats exactly what I was looking for.

I am running on a docking station with the lid closed.  Time for some

experiments.

 

Can anyone confirm that running a W510 on a docking station with the

lid open does in fact turbo boost?  It specify in that link.

 

Thanks!

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250 Posts

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Re: i7-820 performance

2010-09-10, 21:55 PM

Yes it does ... opening Outlook or Word will trigger it.

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98 Posts

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Re: i7-820 performance

2010-09-11, 12:07 PM

Well I've officially given up.

 

I spent most of my day trying to sort this thing out.  Reinstalled all the software that seemed

relevant -- can't get TurboBoost Tech to appear in my device manager.. or in Power Manager.

 

Just the laptop (no docking station / external anything) -- on the 135W power supply, set to

max performance, and I always max out at 2 Ghz.

 

This is quite a let down for having spent extra money on the processor.

 

The part thats really screwing with me is that its actually *boosting* up from 1.73 .. so something

must be working.  Just can't figure out why it won't go all the way and the other machines will.

 

Thanks all for your help so far.

 

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68 Posts

09-07-2010

Cali

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Re: i7-820 performance

2010-09-13, 17:54 PM

lol, don't give up.... :)

 

Is your fan kicking in?  Check your power settings for the fan make sure it's active... or check to make sure every setting is identical to your co-worker's laptop for your test.

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