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8800GT poor overclock?

Tags:
  • Nvidia
  • Overclocking
  • Geforce
  • Graphics
Last response: in Graphics Cards
August 13, 2008 6:16:51 PM

Ok, I have an XFX Geforce 8800GT 512MB (600/900). I also have the latest drivers (ForceWare 177.83).

I've been trying to overclock my card using rivatuner to change clocks and monitor temps, ATItool to check for artifacts and 3DMark06 for stress testing (5x Loop).

My maximum overclock without artifacts, freezing, etc. is only 660/960 +/- 5MHz!

My temps NEVER go above 62c so I doubt its a heat issue.

Here is my rig:

MOBO: Gigabyte GA-P35-DS3L Rev. 2
CPU: Intel C2D E6750 @ 3.2GHz (AC Freezer 7 Pro)
RAM: G.Skill DDR2-800 PC6400
GPU: XFX Geforce 8800GT 512MB (Not factory OC'ed)
PSU: Xclio Stablepower 500w (cause???)
HDD: Seagate Barracuda 7200.10 250GB 16MB cache
DVD: Asus DVD+/-RW Drive

I know my PSU isn't great but I've had NO power related issues except maybe this...
Maybe I got a card that just won't OC?

Help!

More about : 8800gt poor overclock

August 13, 2008 6:36:37 PM

One thing you have to understand is that not all chips are created equally. It's not automatic that if someone got his card oc'ed to let's say 725mhz that yours will get to that speed also.

I had an evga 8800gt and a friend of mine had a leadtek 8800gt. He could do 745mhz with his but mine would only do 670mhz.
August 13, 2008 6:45:27 PM

So it might be the card then? I'm not upset at the lack of overclock because I did not by the card thinking I'd need to (my last card was a 9800pro).

If it's a limitation of the card, I'll gladly accept it (35-40fps in crysis!) I'm just making sure the problem is not any other one of my components (especially the PSU)
Related resources
August 13, 2008 6:54:09 PM

if it was the psu you would get random lockups and restarts...if it doesnt do that, chances are you are fine
August 13, 2008 6:56:06 PM

Well, I only get lockups when I push the card past 670/970
August 13, 2008 7:01:15 PM

lambofgod3x, I know I'm off topic here but I couln't help but notice in your sig that you have a modded x-fi. Could you tell me what the mod is ?
August 13, 2008 7:31:46 PM

Don't worry so much about OC'ing the 8800GT, OC'ing mine gave me a MAX of 6 fps in most games, 3 in others. I went from stock to 675/1675/950 and like I said, I barely get 6 fps in the games I play. To me OC'ing GPU's is a poor way to increase performance and a quick way to deteriorating your GPU. I put mine back at stock settings, works fine stays way under 60 load, would rather it last a year than OC and get 6 fps.
August 14, 2008 4:02:16 AM

Right now I have Rivatuner automatically overclock to 660/1675/960 when ANY 3D app is launched and underclock to 300/750/450 when not running a 3D app. I think this may be a good compromise... I mean, it is overclocked while gaming, but it's underclocked when not, so it may average out to be overall GOOD for the card...

Or I could be spewing BS. What do you guys think?
August 14, 2008 9:50:16 AM

Bottom line is that the 8800GT is a bad OCer. Thats not to say it wont OC well in some cases but rather that it requires expensive aftermarket cooling and offers little gain.
August 15, 2008 1:07:33 AM

Well, I managed to get to 700/1000 stable 65c load in crysis by doin the 1.1v bios mod... That was my goal so I'm happy!
August 16, 2008 4:40:23 AM

broketechjunkie said:
Ok, I have an XFX Geforce 8800GT 512MB (600/900). I also have the latest drivers (ForceWare 177.83).

I've been trying to overclock my card using rivatuner to change clocks and monitor temps, ATItool to check for artifacts and 3DMark06 for stress testing (5x Loop).

My maximum overclock without artifacts, freezing, etc. is only 660/960 +/- 5MHz!

My temps NEVER go above 62c so I doubt its a heat issue.

Here is my rig:

MOBO: Gigabyte GA-P35-DS3L Rev. 2
CPU: Intel C2D E6750 @ 3.2GHz (AC Freezer 7 Pro)
RAM: G.Skill DDR2-800 PC6400
GPU: XFX Geforce 8800GT 512MB (Not factory OC'ed)
PSU: Xclio Stablepower 500w (cause???)
HDD: Seagate Barracuda 7200.10 250GB 16MB cache
DVD: Asus DVD+/-RW Drive

I know my PSU isn't great but I've had NO power related issues except maybe this...
Maybe I got a card that just won't OC?

Help!

Try lowering your memory to 950mhz
XFX highest stock o'c card was 670/975
Evga had a 700/1000

jerseygamer said:
Bottom line is that the 8800GT is a bad OCer. Thats not to say it wont OC well in some cases but rather that it requires expensive aftermarket cooling and offers little gain.

Bottom line is your experience will vary by card.

http://service.futuremark.com/compare?3dm06=7099805

August 23, 2008 8:32:01 PM

i have 2 evga 8800gt's in sli and i can only push them to 680 core, 1700shader, 950 mem... verry disappointing