Irregular gpu usage and low framerate

chapapa07

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Jun 20, 2012
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Gpu usage goes up and down up and down from 64% to 100%, its never constant.

I just upgraded my gpu from a gtx 550 ti to a r7 265 but Im having trouble with the framerate, it kinda feels there is a cap because in the witcher 3 (eurogamer console settings) the framerate goes from 23 to 31 max , 34 to 42 max in far cry 4 (high settings) and 27 to 43 max in gta v (eurogamer console settings). It doesnt matter if the scene is demanding or not, the framerate dont go higher than the numbers stated above.

This is the graph of the typical gpu usage after playing the witcher 3 for an hour, it goes from 64% to 100%:

http://s1078.photobucket.com/user/chapapa07/media/usage.png.html

The resolution I use is 1080p, vsync is off and the driver is up to date.

Specs:

I5 4570 3.2 GHZ
MSI H87-G43M
2X 4GB Corsair Vengeance
XFX r7 265 Core Edition 2GB
Wester Digital Caviar Black 1002FAEX 1 TB
OCZ Fatal1ty 550w
Windows 7 64 bit
 

Geekwad

Admirable
Did you upgrade anything else the GPU (PSU)?

What are the rest of your specs?

To be honest, those are some demanding titles for a R7 265, so you may need to lower your resolution or dial back some settings to get your frame rate up.
 

chapapa07

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Jun 20, 2012
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No I didnt.

Post updated.

Yes, those are indeed demanding titles but there is no botttleneck in my system and the gpu usage should be from 90 to 100% if they need so much horsepower.
 

chapapa07

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Jun 20, 2012
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Just tested dragon ball xenoverse, afterburner showed the same graph, this time I could see that in the first minute the usage was from 95 to 100% but then it went down to 63 and up to 100%...., I dont know whats happening.
 

maxalge

Champion
Ambassador


sounds like either psu is failing

or your cpu or gpu is thermal throttling

monitor cpu/gpu temps while under full load

 

chapapa07

Honorable
Jun 20, 2012
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The max gpu temp is 81c, I even set the fan to 100%, it didnt past 67c but the results were the same after a minute, the coreclock also was jumping from 900 to 925 (the boostclock).

The max cpu temp doesnt past 68c.