GTX 660 Low Clock Speed

[Genoble]

So I just got my Gigabyte GTX 660 and was surprised to find that unlike the advertised 1033 base clock speed it's actually running at 549. What's worse is that I cant OC it via the nvidia control panel because it says that that's the max it can go.... any suggestions anyone?

[Domokun_index]

Check the BIOS or use the Nvidia system tools. But you said the control panel thought it was already maxed?

[Delko DJ]

maybe it is a bug

[Genoble]

Check the BIOS or use the Nvidia system tools. But you said the control panel thought it was already maxed?

This is what I get

[uhZylon]

549mhz on a 660.
Dayum.

[Domokun_index]

This is what I get

Hmm.
Try GPU-Z, worked for me a while ago. Tell me the results you get.
GPU-Z Video card GPU Information Utility

also, what kind of options do you get using the 'Custom' selection?

[Genoble]

Hmm.
Try GPU-Z, worked for me a while ago. Tell me the results you get.
GPU-Z Video card GPU Information Utility

also, what kind of options do you get using the 'Custom' selection?

Thanks, I'll try that out now. and If I check 'Custom' then It is exactly the same except the sliders etc. are not grey'd out. I have tried typing a number into the box and setting the clock that way but it says an invalid input has been made.



That is now reading the correct results for my GTX 660, however it's also showing the the memory clock on my GT 630 is running at half of the default. Typical, solve one problem, find another. but I cba with that. I'm only using it as a secondary which is dedicated to running physx so it doesn't really matter

[Domokun_index]

Thanks, I'll try that out now. and If I check 'Custom' then It is exactly the same except the sliders etc. are not grey'd out. I have tried typing a number into the box and setting the clock that way but it says an invalid input has been made.


That is now reading the correct results for my GTX 660, however it's also showing the the memory clock on my GT 630 is running at half of the default. Typical, solve one problem, find another. but I cba with that. I'm only using it as a secondary which is dedicated to running physx so it doesn't really matter

Let me know how GPU-Z works out for you. ^_^

[uhZylon]

Has your 660 got enough power going to it?
Also, try playing a game, check the fps then google the average forma normal gtx 660.
Your gpu might be running at 1033mhz but a fault may be displaying wrong numbers.
So if you're getting similar results it may be a small fault.

[yugurt]

Thanks, I'll try that out now. and If I check 'Custom' then It is exactly the same except the sliders etc. are not grey'd out. I have tried typing a number into the box and setting the clock that way but it says an invalid input has been made.



That is now reading the correct results for my GTX 660, however it's also showing the the memory clock on my GT 630 is running at half of the default. Typical, solve one problem, find another. but I cba with that. I'm only using it as a secondary which is dedicated to running physx so it doesn't really matter

are you sure that you aren't just checking the idle speed?

[Genoble]

are you sure that you aren't just checking the idle speed?

I took that pic while playing planetside 2 so I hopefully my GPUs not idling while I'm playing PS2

[yugurt]

I took that pic while playing planetside 2 so I hopefully my GPUs not idling while I'm playing PS2

ok yeah it shouldn't do that but people have been having issues with idling in planetside 2 so just to be sure play another game and check

[EscribaBender]

maybe in that moment you didn't need more power, so the chipset choose get a lower hz.

[[MPGH]Doc]

There is nothing wrong with your graphics card. These kinds of programs will typically only show half of your actual clock due to some bullshit I can't be bothered to go in depth about. Basically you double your displayed clock speed to get your real clock speed, which in this case is 1098 which is the boost clock speed for Gigabyte 660's.

[Genesis]

There is nothing wrong with your graphics card. These kinds of programs will typically only show half of your actual clock due to some bullshit I can't be bothered to go in depth about. Basically you double your displayed clock speed to get your real clock speed, which in this case is 1098 which is the boost clock speed for Gigabyte 660's.

Is it because the GPU is conserving power when it's not being used in a game?