Low framerate, low CPU/GPU/MEMORY usage. What's bottlenecking me?

pernissila · Apr 9, 2014

While playing certain demanding games like Metro Last Light, i get reaaaalllyyyy low fps in a lot of scenes. The GPU and CPU and Memory usage then goes down really low. The GPU clock will also drop to like 600-700 mhz. See screenshot!

What is bottlenecking me?

My specs:
CPU: Intel Core i5-4670K
MB: Gigabyte G1.Sniper Z87, Socket-1150
Mem: Corsair Vengeance DDR3 1600MHz 8GB CL9
GPU: MSI GeForce GTX 780 Gaming 3GB

Eduello · Apr 9, 2014

What are your temps?

pernissila · Apr 9, 2014

Eduello :

I've been watching the msi afterburner OSD for a while now and it seems that the clock speed is reduced when the temp gets around 73-75. I have a MSI GTX 780 Twin Frozr gaming. I thought that card had good cooling :/

Eduello · Apr 9, 2014

Yes, the cooling is very good and the card shouldn't start throttling on temps like that... What about CPU temps?

pernissila · Apr 9, 2014

Eduello :

Sorry, on the screenshot i included, where it says 15%, that was actually gpu power, not usage.
CPU temp is between 45-50.

Eduello · Apr 9, 2014

Well it seems that your GPU is throttling for some reason. Try setting the temp limit to 80C with afterburner.

What power supply and case do you have? How would you describe the airflow of your case?

pernissila · Apr 9, 2014

Eduello :

I cant find an option for setting the temp limit.
My case is a Corsair Carbide 200R
My PSU is a Corsair RM750, 750W PSU

pernissila · Apr 9, 2014

Eduello :

It doesn't seem to be that it is throttling. I just tried setting a custom fan curve and the power usage and thereby the fps when to hell at just 68C this time :/

Eduello · Apr 10, 2014

Try downloading the latest Nvidia drivers. If that doesn't help, try some older ones.

hs99802 · Apr 10, 2014

780 shouldn't be a hot card, especially if its an MSI Gaming, those cards have great cooling. Try another driver like suggested, or try to reset things to default like the fan speeds and such, if that doesn't work just keep tweaking around with things.

pernissila · Apr 10, 2014

hs99802 :

Wow, a clean installation of the drivers did the trick!
The thing i'm worried about now is the temps. It quickly gets to around 78C and then it starts to downclock the card from 1032 Mhz to 1006 Mhz. The fan speed is around 50 % at that temperature.

Eduello · Apr 10, 2014

pernissila :

Go to the settings of MSI Afterburner and in the "fan"-tab check the only option there is. This should let you create a fan curve of your own. Also use compressed air to clean your card of any dust that might have gotten in it.

EDIT: To enable the fan curve, click the icon that's right next to the manual fan speed control. (The icon should look like a a sprocket)

pernissila · Apr 10, 2014

Eduello :

pernissila :

Go to the settings of MSI Afterburner and in the "fan"-tab check the only option there is. This should let you create a fan curve of your own. Also use compressed air to clean your card of any dust that might have gotten in it.

EDIT: To enable the fan curve, click the icon that's right next to the manual fan speed control. (The icon should look like a a sprocket)

Just how hot should this card run? Idle temps are 34C

Eduello · Apr 10, 2014

pernissila :

Eduello :

Just how hot should this card run? Idle temps are 34C

http://www.guru3d.com/articles_pages/msi_geforce_gtx_780_gaming_review,8.html
http://www.tweaktown.com/reviews/5586/msi-geforce-gtx-780-3gb-twin-frozr-gaming-oc-overclocked-video-card-review/index21.html

According to those, idle temps should be around 30C and load temps between 60 and 70C.

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Low framerate, low CPU/GPU/MEMORY usage. What's bottlenecking me?

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