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How much underclock does make a gpu significantly cooler?

post #1 of 11
Thread Starter 
How much percents do you have to underclock to make a gpu like 5 C cooler?
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post #2 of 11
Misread LOL
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post #3 of 11
It depends, but IMO 5c isn't worth the downclock. Performance>Temps.
post #4 of 11
Depends, my 4890's idle almost 3c lower if I set them to 450mhz minimum. And that is coming from the standard built in 900/240mhz switching. There's only one way of finding out which is trying.
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post #5 of 11
Thread Starter 
Quote:
Originally Posted by HunT3R.! View Post
It depends, but IMO 5c isn't worth the downclock. Performance>Temps.
It is. When it is 5 C cooler, my games will stop lagging.
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post #6 of 11
Thread Starter 
Quote:
Originally Posted by MasterFire View Post
Depends, my 4890's idle almost 3c lower if I set them to 450mhz minimum. And that is coming from the standard built in 900/240mhz switching. There's only one way of finding out which is trying.
So, you set it to the half of the power and that differs only 3 C?
My pc
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My pc
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post #7 of 11
How hot is it getting? What games?
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RAMHard DriveHard DriveHard Drive
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CoolingOSMonitorMonitor
5 120mm Cooler master R4 Blade Master Windows 7 ultimate 64bit Viewsonic VX2233WM Viewsonic VX2239WM 
MonitorKeyboardPowerCase
Viewsonic VX2239WM Razer Lycosa Mirror 650w Antec Truepower New Antec 900 
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post #8 of 11
Thread Starter 
Quote:
Originally Posted by TheLastPriest View Post
How hot is it getting? What games?
82 C and recent games as Modern Warfare 2. But the 8400 and 8600 cards are known for its heat problems.
My pc
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CPUMotherboardGraphicsRAM
E8400 @ 3,33 Ghz Asustek, P5KPL Ati 3870 512 MB 4 Gigabyte (3,5 or something used) 
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My pc
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CPUMotherboardGraphicsRAM
E8400 @ 3,33 Ghz Asustek, P5KPL Ati 3870 512 MB 4 Gigabyte (3,5 or something used) 
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post #9 of 11
what case are you using? maybe it doesn't have good airflow.
post #10 of 11
Thread Starter 
Quote:
Originally Posted by HunT3R.! View Post
what case are you using? maybe it doesn't have good airflow.
It is a laptop: Acer 7520.
My pc
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CPUMotherboardGraphicsRAM
E8400 @ 3,33 Ghz Asustek, P5KPL Ati 3870 512 MB 4 Gigabyte (3,5 or something used) 
  hide details  
Reply
My pc
(13 items)
 
  
CPUMotherboardGraphicsRAM
E8400 @ 3,33 Ghz Asustek, P5KPL Ati 3870 512 MB 4 Gigabyte (3,5 or something used) 
  hide details  
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