AMD 290x GPU usage jumping 100% to 0%

bigcat1 · Jun 6, 2015

Hi, i just bought new Asus 290x card and when im playing my gpu usage is dropping from 100% to 0% in every 30seconds Like this
And is it normal that its dropping like that? Getting fps drops from 100 to 30 for a seconds, pls help

Last pic was from gta this is from arma3 all ultra setting and still gpu usage dropping to 0 evry 30seconds??? + lagspike http://gyazo.com/432804fc184554a0985f1df8723cdc01
Other specs
Processor. Intel Core i7 4790K
Cooler. H100i Water cooling + 6fans
Graphics card. R9 Asus 290x
Motherboard. Asus Maximus VII Ranger
SSD. Samsung 840 Pro 256gb
Ram. 16gb Kingston DDR3
OS. Windows 8.1 Pro
Power 550w XFX

DeathRabit · Jun 6, 2015

Until you really do not have FPS drops it is OK, GPU usage depend what need be render in game, less to work for GPU = less load.
How look your GPU temps ?

bigcat1 · Jun 6, 2015

DeathRabit :

GPU temps are on the pic but maximum 79 and normally 70-79 when in game idle 45

bigcat1 · Jun 6, 2015

Edit. played other games and im getting fps drops http://gyazo.com/84ca38e23362a37d587882e2de1c6a19

DeathRabit · Jun 6, 2015

Run GPU-Z start playing some games and check VRM temps, VRM can work up to 120C * and they start causing problems and this level.
example for faulty GPU : http://i.imgur.com/F8eXZ.png
GPU-Z : http://www.techpowerup.com/gpuz/

coozie7 · Jun 6, 2015

The graphs you are showing so not show FPS, they show GPU use so are you seeing actual FPS drops (slowdowns and stutters) or just drops in GPU use?

bigcat1 · Jun 6, 2015

coozie7 :

Im using fraps where i can see my FPS and im seeing fps slowdowns

bigcat1 · Jun 6, 2015

DeathRabit :

vrm temps are fine 50-60celcius but still same thing gpu load is jumping in gpuz aswell http://gyazo.com/68bb0bb7015b87cd8d780d188f8c99ec

bigcat1 · Jun 6, 2015

DeathRabit :

as you can see in your imgur gpuz picture GPU load is more stable too than mine, that is the problem

DeathRabit · Jun 6, 2015

http://gyazo.com/68bb0bb7015b87cd8d780d188f8c99ec and check VRM temps !

bigcat1 · Jun 6, 2015

DeathRabit :

50-60celcius

DeathRabit · Jun 7, 2015

Sorry I see now temps are OK.

Run http://www.ozone3d.net/benchmarks/fur/ and check for GPU usages drops, if you do not have any, but in game have.
Your PSU probably have problems to keep stable 12v on heavy load.

Software cheeking under Windows can be inaccurate.
Use multimeter to check : https://www.youtube.com/watch?v=Or7_Za_dYBE

Your CPU + GPU on heavy load need around 400W-450W
Mobo, SSD, Rams Cooler, fans. ~ 50-80W
450W-530W your PSU is working on upper limit all the time.

bigcat1 · Jun 7, 2015

DeathRabit :

Done, in that benchmark GPU usage was stable 100% but in games still jumping 100-50-0% + FPS drops

Benchmark http://gyazo.com/cd5bd466f5c653732ea5f8760d7f5962
GTA V http://gyazo.com/e8f5ec3a4b3ae9c67db6b5afc024c755

DeathRabit · Jun 7, 2015

In that case you do not have problem with GPU, except PSU can be drivers problems.

Use this http://www.guru3d.com/content-page/guru3d-driver-sweeper.html
And follow instruction :
Use the official uninstaller(s) of the driver(s) you want to uninstall.
Reboot your PC in Safe Mode.
Run Driver Sweeper and select what to clean.
Analyse lists all the entries possible to remove, cleaning removes the entries selected.
Install fresh drivers.

Anyway ask someone with multimeter to help you check 12V line in you PC PSU.

bigcat1 · Jun 7, 2015

DeathRabit :

I did that yasterday deleted everything with same program and deleted gpu tweak aswell then reinstalled asll back still same problem. So can we be sure that its the PSU what is messing up?

DeathRabit · Jun 7, 2015

Best is check on multimeter to confirm this but most liekly this is PSU issue.
If you can test your GPU on another PC, or borrow better PSU to confirm this.
You can also try under-clock GPU decrease Mhz and Vcore.

You can also
Unplug all additional Fans * they drain from 12V rail, under-clock CPU and run some games, to check GPU Usage/ FPS drops.
*Test PC on open case, and left fans on CPU cooler

bigcat1 · Jun 7, 2015

DeathRabit :

I saw so much effort doing all this overlocking cpu to 5ghz with right voltages, im just gonna buy new powersupply tomorrow

DeathRabit · Jun 7, 2015

Best deal for $ * http://pcpartpicker.com/part/antec-power-supply-hcg750m
*if you use rebate.

bigcat1 · Jun 13, 2015

DeathRabit :

ok, got 750w power
Tried with new power got still fps lags and gpu usage drops
Reinstalled once again all drivers
Now i dont get fps drops but gpu usage still jumps all the the time form 100% to 0% is it normal? my friend with 270x in gta v dont get usage drops he have stable 100-95%

DeathRabit · Jun 13, 2015

This odd but if you alt tab windows GPU this normal to usage change.
Anyway main problem solved no more fps drops

- PSU changed.
About GPU usage if changing without off alt tab, can be still some drivers / windows issue if Driver Sweeper no help your last resort is fresh Windows install * format system HDD partition and install fresh system - this solving 99.9999% drivers / system issues

bigcat1 · Jun 13, 2015

Thank you for your help!

AMD 290x GPU usage jumping 100% to 0%

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