7800GTX standard Overclock?

sugoi · 15 Jan 2006 at 13:57

I have a standard 7800GTX 256MB... and i was wondering what max overclock do you reckon i could get on AIR, stock is at 430/1200... :confused:

Insanity · 15 Jan 2006 at 14:03

Impossible to say, its hit and miss. But i clocked mine to EE speeds and left it at that (490/1.30). It seems happy enough.

sugoi · 15 Jan 2006 at 14:06

and is that with air? what are your temps on idle and load (possibly gaming)?

Firegod · 15 Jan 2006 at 14:16

I managed to hit just under EE speeds with mine with the stock cooler. You'll see artifacts and corruption before temps become a "real" issue, so I wouldn't worry...

chaparral · 15 Jan 2006 at 14:51

I say set it to 450/1250 and then work up from there..

The core should top out somewhere between 470 to 495 on most..
You should see between 1325 to 1385 max on the memory..

sugoi · 15 Jan 2006 at 15:03

thnx, i did get 470/1250 ... but after installing the new nvidia drivers, it resetted the clocks...

Duff-Man · 15 Jan 2006 at 15:11

sugoi said:
thnx, i did get 470/1250 ... but after installing the new nvidia drivers, it resetted the clocks...

Yes - the overclock is done through drivers...

If you want it to keep the clock settings between driver installs you will need to flash the bios.

sugoi · 15 Jan 2006 at 15:24

at stock 430/1200, my 7800GTX got 7797 3DMark05

and at 490/1300, it got 8728.... does that seem right?
system is in sig... no artifacts or corruption...as far as i can see..

andyp · 15 Jan 2006 at 15:35

got my leadtek the week the gtx's came out.

it'll clock to 472/1300 on standard cooler.

8,261 '05 marks with a 3700 clawhammer @ 2.75ghz

pegasus1 · 15 Jan 2006 at 18:22

510/1.37 on my Leadtek using coolbits, coolbits is a little restrictive as i think i could go a fair bit higher.
I removed both the core and mem cooling and replaced the horrid conductive pads with AS5 and the temps at idle are 36-39C depending on room temp (39C atm and im comfy in a tshirt), no sign of artifacts in 3d2005 or COD2.
I may lap the HS as its far from smooth.

Arcane · 15 Jan 2006 at 20:35

492/1300 is the highest I've managed, keep it at 480 though.

pegasus1 · 15 Jan 2006 at 21:22

510 and 1.37 with zero artifacts.

ScarySquirrel · 15 Jan 2006 at 21:25

490/1350 on mine, runs fine in everything, never had any probs, coolbits wont let me go higher

pegasus1 · 15 Jan 2006 at 21:50

nick_cfc said:
490/1350 on mine, runs fine in everything, never had any probs, coolbits wont let me go higher

Was that on auto detect or manually, auto detect gives me slightly less than that and manually it it allowed me 505/1.35.
Thats a fair bit higher than before i replaced the thermal pads.

Mundu · 15 Jan 2006 at 22:20

I can get my POV 7800GTX to 490/1300. It can only go a few MHz more before it gets errors in ATI Tool.

It does get pretty toasty though very near 80C under load but the cooler is stock and extremely quiet. Does anyone think a better cooler would get me a worthwhile increase from my 490/1300?

sugoi · 15 Jan 2006 at 22:21

hmm, i have droppped it to 450/1250 now...
seems to me, shown artifacts in CS: Source, missing graphics and stuff....?

KillBoY_UK · 16 Jan 2006 at 00:51

i say about 80%+ can (i can get my POV to) 493/1301 in my small case (stock or AC cooler) leave the window open to let the cold air in it do 510/1390

sugoi · 16 Jan 2006 at 09:20

i used 3dMark05 to benchmark it at 490/1300... and got no artifacts or corruption...

hmm, but in CS:Source, i see blocks of mismatched textures.... anyone else get this?

Fat Dog · 16 Jan 2006 at 10:05

495/1300 with an Arctic Cooler here (the stock cooler allowed almost as high overclocks, much to my surprise and disappointment).