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RX 460 activity fluctuation and stuttering

Question asked by jabarkis on Jan 9, 2017
Latest reply on Jan 9, 2017 by jabarkis

Hi, I've recently installed a new XFX RX 460 2GB to replace an HD 6870, and although my max framerates seem (subjectively) a fair bit higher, I'm also experiencing considerable stutter in a variety of games, including Skyrim and Mirror's Edge, and also on the desktop (especially noticeable when dragging windows). Running Wattman on my second monitor, I see the "activity" line on the histogram fluctuating from update to update between 100% and 0%. The GPU and RAM lines stay steady. I've tried increasing the power limit to +10.

 

My specs are as follows:

Windows 7 Professional 64-bit

Gigabyte GA-880GM-USB3

AMD Phenom II X6 1090T

16GB RAM

I have two Dell U2410s connected, one by Display Port (primary), one by DVI (secondary)

 

Attached is an image of Wattman and CPUID HWMonitor showing a few minutes of Mirror's Edge gameplay. The CPU temp peaked at 70C and the GPU at 62C.

 

Any help or information would be much appreciated!

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