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5770 core and memory clock jumping up and down constantly

Last response: in Graphics & Displays
June 14, 2010 6:23:02 AM

Hey, this is my 2nd ati card (first one was a sweet 9800Pro way back). Anyway when I'm looking at "Ati overdrive" I can see the gpu and memory clock jumping up and down. I'm not playing any games, I'm just moving a few windows around and browsing some websites, nothing that needs full 3D mode in any way.

Surely it can't be healthy for it to jump from 157mhz to 850mhz then back to 157 every few seconds.. Same goes for the memory clock, it jumps from 300 to 1200 then back to 300.

Driver is the latest 10.5 - Freshly installed on a fresh OS. Is there something wrong or is it perfectly normal on radeon cards?

June 14, 2010 8:17:06 AM

The card is supposed to clock up and down depending on load. Are you running Windows 7? It might be that moving a window around with Aero enabled causes the card to kick into high gear.

I usually prefer to use something like RivaTuner to control my clocks manually, that way these things don't happen.
a b } Memory
June 14, 2010 1:21:18 PM

If you're are only using one gpu and one monitor revert back to version 10.4.
10.5 is a release geared to eyefinity users.
One card users will notice higher gpu clock and temps with 10.5.
Related resources
June 14, 2010 2:12:26 PM

I've tried Win7 and XP, happens on both. Maybe I should look into rivatuner again, I've been using evga precision until now so I'm quite rusty :) 

Yes just one monitor and gpu. Rolled back to 10.4 and it's pretty much the same result on my end. There were a number of blue artifacts on the screen as I was looking for the driver (which went away as I moved a window around on top of the artifacts).. That's how my 8800 died, artifacts .. My heart stopped for a second there :)  Oh idle temp: 41, full load: 53-60.
June 14, 2010 3:58:02 PM

It could be a driver installation issue or a virus issue.

My card (Sapphire Radeon HD5770) remains consistently at 157/300 when I am at the desktop, dragging windows to and fro. When I play a DVD movie, it jumps to 400/900 and stays there until the movie is over, at which time it drops back to 157/300.

Therefore, I suggest you uninstall the driver, clean the remnants, and re-install it.
June 14, 2010 4:30:16 PM

It's even doing it when I move my mouse around ... That's beyond odd.
Look here:

Maybe it doesn't like Logitech Setpoint? I kinda need that for my G5.
June 14, 2010 5:36:46 PM

can it b a virus?
June 14, 2010 5:48:05 PM

Nah I doubt it, it's a fresh os with pretty much nothing installed except for steam at the moment.
a b } Memory
June 15, 2010 1:51:57 AM

Btw i have an MX-518 and haven't used Setpoint for a couple of years cuz it caused issues.
I also game on Steam and haven't noticed any difference gaming with MS generic driver.
Download DriverSweeper
run it in safemode
purge all gpu files
reload 10.4
June 15, 2010 8:39:33 PM

Well one this is for certain, my 8800 performed way better in all games I've tried so far. Think I'll return the card and go nvidia instead.
October 15, 2010 12:43:39 AM

Hey There is a lot of people with this issue
I am one of them
I have a 5770 sapphire vapor-x and the clock keeps going up and down
And when i play starcraft I get some choke sometime
I can alt tab and see the clock going 860/1200 down to 157/300 in second.
When open my mozial tab to write this I can see the clock moving don and up aas i open the window and stuff.So I am going to install msi overclock and remoce CCC
I think CCC is *** :p  I got the10.9 btw