GTX 260 / 280 Overclocking Thread

Deluxe1 · 26 Jun 2008 at 01:18

Not a bad oc,havent pushed it any further yet.

Idle temps are 50c and seen it go as high as 83c under load.

Running a Q9450 at 3.4GHz under Vista64 with the Physx drivers installed:

fornowagain · 26 Jun 2008 at 01:22

Tried Furmark? 83C would have been great on mine.

Deluxe1 · 26 Jun 2008 at 01:46

Just tried furmark,not sure if i had the same settings as you but it topped out at 89c by the end of the 5 min run:

fornowagain · 26 Jun 2008 at 01:56

Thanks, that kinda proves a point for me. That's quite a difference, mine just rocketed to 105C in seconds.

fornowagain · 27 Jun 2008 at 00:33

Blastflow: Cooling plate for their waterblock. Any other blocks yet, fullcover or core?

Reality|Bites · 27 Jun 2008 at 00:39

I read a review somewhere that the temp issue is caused by the driver.
He had to use the one supplied on the CD to get decent temps.

fornowagain · 30 Jun 2008 at 18:30

DD-Tieton for GTX280/260

mmj_uk · 6 Jul 2008 at 13:44

Does anybody have the BFG 280 OC2 model?? I wouldn't mind a BIOS dump of the original BIOS.

rounddodger · 6 Jul 2008 at 15:00

All good so far, no overheating in Furmark, gets to about 89 degrees C with fan at 80% on this overclock. Very happy.

Talrinys · 6 Jul 2008 at 15:36

At 80% fan speed how bad is the noise? Really considering getting one at those shader clocks, should be a beast for folding

rounddodger · 6 Jul 2008 at 15:42

Talrinys said:
At 80% fan speed how bad is the noise? Really considering getting one at those shader clocks, should be a beast for folding

It's fine really, no louder than my old Ultra really! Obviously when not gaming just ramp the fans down. That said at 100% it's like a helicopter taking off...

Talrinys · 6 Jul 2008 at 15:44

rounddodger said:
It's fine really, no louder than my old Ultra really! Obviously when not gaming just ramp the fans down. That said at 100% it's like a helicopter taking off...

Alright, i think i'll be fine then, will order one soon

Thanks

rounddodger · 9 Jul 2008 at 22:12

The memory on the 280 seems to clock very well indeed. Upto 2600Mhz now!

What memory is it?

mmj_uk · 11 Jul 2008 at 11:40

Flashed mine with the EVGA *** BIOS and not a single problem.

I'm quite surprised they have so much headroom for overclocking considering it's on the cutting edge, normally new cards have very little headroom over stock settings.

Either I got a good card for a change or NVidia have been very conservative with the clockspeeds.

Dr_Fartypants · 11 Jul 2008 at 11:44

Quite confused with the overclocking potential of my card (an Asus).

I start to get the odd artifacts over around 660mhz in Crysis, and over ~680 or 690 in other games. Also, the memory doesn't want to clock at all (it will do 1150 but not too much more).

However, my temps are great. I ran rthdrbl fullscreen for an hour, overclocked to 660/1150, and the maximum temp reached was only 77C (and this is with the fan at 40%). I'll try furmark tonight.

Do the higher-clocked BIOSes use a slightly higher voltage? It appears that my card can take a little extra temperature, but is struggling to maintain the clocks.

edit - above 60% fan speed I find that the card gets very noisy indeed. Certainly louder than my old 8800GTX. Of course, this is still fine during gaming, so I wouldn't object to cranking up the fan speed. Has anyone figured out how to adjust the 3D fan speed in rivatuner without affecting the 2D speed?

Scougar · 11 Jul 2008 at 11:56

Very interested to see what these cards will do

Wonder how the new 55nm will compare for overclocking

Matthew

rounddodger · 11 Jul 2008 at 14:34

Dr_Fartypants said:
Quite confused with the overclocking potential of my card (an Asus).

I start to get the odd artifacts over around 660mhz in Crysis, and over ~680 or 690 in other games. Also, the memory doesn't want to clock at all (it will do 1150 but not too much more).

However, my temps are great. I ran rthdrbl fullscreen for an hour, overclocked to 660/1150, and the maximum temp reached was only 77C (and this is with the fan at 40%). I'll try furmark tonight.

Do the higher-clocked BIOSes use a slightly higher voltage? It appears that my card can take a little extra temperature, but is struggling to maintain the clocks.

edit - above 60% fan speed I find that the card gets very noisy indeed. Certainly louder than my old 8800GTX. Of course, this is still fine during gaming, so I wouldn't object to cranking up the fan speed. Has anyone figured out how to adjust the 3D fan speed in rivatuner without affecting the 2D speed?

What shader speed? I find if I go much over 1500 I get problems in Crysis . Also what happens when you overclock the memory and have you tried ATiTool?

Dr_Fartypants · 11 Jul 2008 at 15:12

rounddodger said:
What shader speed? I find if I go much over 1500 I get problems in Crysis . Also what happens when you overclock the memory and have you tried ATiTool?

Just been using rivatuner so far.

When I overclock the memory too far I get the 'traditional' memory artifacts (large flashing triangles appear randomly for one frame on random textures).

I've been leaving the shader speed linked to the core clock. I tried it async, and leaving the core at 650 I could push the shader speed up to a little over 1500, but I saw virtually no performance increase from this, at least in crysis, which really surprised me.

I have good temperatures throughout, though. I'll have a crack with ATI tool as well.

Viper² · 22 Aug 2008 at 00:02

I may aswell join this thread. My idle temps are around 60C, and around 70C under load.

http://www.techpowerup.com/gpuz/bv2pa/

Anyone know a good cooler for this card? I'd like to get it in the 50's idle.

Xez · 22 Aug 2008 at 08:19

Can any of you guys get over 740mhz on the core? My GTX 260 is stable all the way up to 740mhz but the card seems to go back to the last applied overclock if i go over 740mhz. I deffinatly think that its not the that the core cant handle it but something else