CPU Clock Fluctuating

YexaC · Aug 7, 2014

I've recently built a new PC and I noticed in the first couple games I downloaded that the game speed/physics speed was inconsistent. In the game Space Engineers it'll run smooth for a moment then the entire game slows down. It didn't feel like a framerate drop, but more of a change in the speed of time. The problem is very noticeable and deal breaking..

I'm running Windows 8.1 Pro and noticed that the clock speed of my CPU (FX-8350) is wildly fluctuating between 2.2 and 4.3 GHz both under load and at idle. Do I need to change something in BIOs or download drivers? Any suggestions would be appreciated, as this problem persists at low or ultra graphical settings. This wasn't a problem with my old build, which was quite inferior. Also, is it normal for the CPU Clock Speed to change so wildly? I assumed it should be static to produce proper timings during physics simulations.

My rig:

MOBO: Asus Sabertooth 990FX R2.0

CPU: AMD FX-8350

GPU: NVIDIA Gigabyte GTX770 Windforce 4GB

RAM: Corsair Vengeance 16GB @ 1600 MHZ (2x 8GB)

PSU: XFX PRO 650W Brtonze ATX650

http://www.amazon.com/gp/product/B0045L5LGI/ref=oh_aui_detailpage_o00_s01?ie=UTF8&psc=1

HDD: WD Blue 1TB

OS: Windows 8.1 Pro

Shaun o · Aug 7, 2014

In a word yes to the bios.
Turn cool and quiet off, set the fans to a manual setting for the cpu.

Check the temps of the cpu to make sure the cpu is not clocking down because of heat build up.
That means your cpu cooler is not fitted right, so the cpu is down clocking to cope with heat.

In windows power scheme set the profile to High performance.

YexaC · Aug 7, 2014

Thanks, but are the fluctuations normal and/or could it cause my problem? I went into my BIOs and selected the performance setting and still have the same problem. Also, my CPU temp hasn't even hit 50C.

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