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AMD Phenom II x4 965 Downclocking in game

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November 7, 2013 1:43:22 PM

I have an AMD phenom II x4 965 be and a CoolerMaster Hyper 103 CPU cooler which I installed yesterday.

In the game Team Fortress 2 I will play for about 5 minutes or so with a clock of 3.4ghz before I am downclocked to like 800mhz for a time period of about 30 seconds.

My idle temps are 40-45C and in game I haven't gone over 51C

I wouldn't have thought 51C was hot enough to make the CPU underclock, can anyone help?

Please and thankyou.

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November 7, 2013 1:53:32 PM

No problems, "Cool N Quiet" is working properly. The CPU can use 4 different frequencies depending upon load. You can turn "Cool n Quiet " Off in the BIOS if this bothers you, but I assure you it will make no real performance difference and it will save you money and keep your system much cooler when not gaming!

There are times in games when the CPU is simply not worked that hard and it is OK to run slower. It wouldn't hurt to change your multiplier in the BIOS to 18, now that you have a better cooler. 3.6Ghz will still be safe for your cooler. I had a 965 for quite a while with a cooler no bigger than yours!
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November 7, 2013 1:57:20 PM

So do you get an FPS drop? Otherwise I don't see an issue.
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November 7, 2013 2:15:19 PM

I am dropping from a capped 132 frames down to 20-40, I play in leagues and it can be infuriating in a match when I am constantly losing frames every 2 or so minutes.

I believe I have disabled Cool'n'Quiet but should probably double check that, I will post again if it was already disabled.
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November 7, 2013 2:18:00 PM

bouncedk said:
Probably Cool'n'Quiet kicking in when you're loading up a new level or something. It can change power and clocks 30 times per second so you should not notice it. Your idle is a tad high in my book, you sure you seated it properly?

If you see no performance decrease etc. then all is well. You'd be surprised how many times your graphics card does this as well, even during gaming. It's all based on load to maximize power savings which is a good thing (when its purely hardware based that is).


I spent quite a while assuring the thermal paste was applied properly and I'm fairly sure the cooler is sitting properly, should I potentially screw it down with a flat head? Right now it is only as tight as my fingers are.
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November 7, 2013 2:35:24 PM

Snips said:
bouncedk said:
Probably Cool'n'Quiet kicking in when you're loading up a new level or something. It can change power and clocks 30 times per second so you should not notice it. Your idle is a tad high in my book, you sure you seated it properly?

If you see no performance decrease etc. then all is well. You'd be surprised how many times your graphics card does this as well, even during gaming. It's all based on load to maximize power savings which is a good thing (when its purely hardware based that is).


I spent quite a while assuring the thermal paste was applied properly and I'm fairly sure the cooler is sitting properly, should I potentially screw it down with a flat head? Right now it is only as tight as my fingers are.


It wouldn't hurt to try and reapply the paste.

Remember when seating the heatsink to do a few rotations at do each side alternately e.g. top right few turns, bottom left few turns, bottom right few turns, top left few turns; repeat until its tight. That assures that the heatsink is sitting properly and the thermal paste spreads evenly and not all over the place.
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