GPU utilisation fluctuating weirdly on R9 290, causing fps to vary widely

adnan_J_A · May 30, 2014

So am getting weird extreme fluctuations in most games (far cry3, watch dogs, BF4, mine craft,...) which are causing fps fluctuations rendering games non-plyable (very noticeable fps drops)

I am getting avg fps 59 , min 23, max 85 in BF4 on a 1366x768 resolution (stays almost the same when I change resolution or put everything on low)

Monitoring results during far cry 3
http://i.imgur.com/4XjkpYl.png?1

however everything is normal when I do benchmarks (also results are normal, fps is normal and almost constant)
http://i.imgur.com/R6FvO5T.png?1

GPU temp
http://i.imgur.com/K4ju4wl.png

fraps fps monitoring different games
http://i.imgur.com/QdkWbDw.png

I did a fresh win7 install on a new partition, installed latest drivers, Mb drivers.

PC specs:
i7 860 @ 2.8
sapphire R9 290 trix oc
1 TB 7200 rpm HDD (6 yrs old)
Intel DP55WG MB
8 GB 1333 DDR 3 Ram
750 W thermaltek toughpower

P.S. I didn't have these GPU fluctuations before upgrading from gtx 470

damric · May 30, 2014

It's going to be extremely difficult for an r9 290 to be utilized at 1366x768. These cards are build for super HD.

ezskills · May 30, 2014

Turn your power limit setting to max (95) and save then see if it does the same thing

adnan_J_A · May 30, 2014

ezskills :

u mean from overdrive ?

adnan_J_A · May 30, 2014

damric :

U mean the res is the cause of these fps drops ?!!

ezskills · May 30, 2014

Yes I mean in overdrive

damric · May 30, 2014

You are very CPU bound at that resolution with the R9 290, so your FPS will fly up and down as the game engine works your CPU.

adnan_J_A · May 30, 2014

damric :

but i've tried using windowed mode and upping res to 1080...still same fps results

adnan_J_A · May 30, 2014

ezskills :

i tried increasing it 35% (max is 50%) still same issue

damric · May 30, 2014

adnan_J_A :

These 290s are meant for beyond 1080p. Try 1440p with 8x super sample AA with max detail settings and then measure usage.

Your FPS will still be limited by your CPU and how well it runs the game engine itself.

adnan_J_A · May 30, 2014

damric :

adnan_J_A :

These 290s are meant for beyond 1080p. Try 1440p with 8x super sample AA with max detail settings and then measure usage.

Your FPS will still be limited by your CPU and how well it runs the game engine itself.

I'll try so and report back..thanks for ur reply

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GPU utilisation fluctuating weirdly on R9 290, causing fps to vary widely

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