BFG 7800 GT OC overclocking results

[niggles]

I can't really find much in the way of information on the BFG 7800 GT OC for further overclocking. I keep buying these low overclock cards (X800XL), and am begining to get a complex. Any thoughts??

 

[MBentz]

Punching the Detect Optimal Freqs gets me to 490/1.18 with my quiet NVSilencer. Stock volts. Running it at stock is more than enough for now though.

 

[sep]

Stock here too!

 

[Art Vandaleigh]

Originally posted by: MBentz
Punching the Detect Optimal Freqs gets me to 490/1.18 with my quiet NVSilencer. Stock volts. Running it at stock is more than enough for now though.

I have NV silencers on mine and they detected at that same frequency.

 

[malvare1]

mine detect at that speed but artifacts shows after 15 min of playing fear. I lower it to 460 / 1.14 and all is well. mind I'm running sli with two of this bad boys
I think that is the reason I can't get mine past 460mhz without artifacting, I do have the nv silencers. would like to know more about oc this cards

 

[niggles]

Seriously? I have to buy a custom cooling solution in order to squeeze a mere 35Mhz/65MHZ out of the card? My X800XL overclocked more than that. Has anyone else had any better luck with these? Is it possible to simply overclock to that level with the stock cooling?

 

[saechaka]

Originally posted by: MBentz
Punching the Detect Optimal Freqs gets me to 490/1.18 with my quiet NVSilencer. Stock volts. Running it at stock is more than enough for now though.

mine detects at the same settings.

 

[niggles]

Originally posted by: saechaka

Originally posted by: MBentz
Punching the Detect Optimal Freqs gets me to 490/1.18 with my quiet NVSilencer. Stock volts. Running it at stock is more than enough for now though.

mine detects at the same settings.

Did everyone put a new fan on their cards? Has anyone not put a new fan on their cards that can tell me what they get?

 

[niggles]

bump

 

[giantpinkbunnyhead]

I was able to OC mine up to 485/1.15 with no additional cooling and no artifacting.

Now I have an EVGA which is happy at 505/1.20. But the BFG should OC at least a little without having to do anything else. Just on its own, the BFG Overclock I did raised 3dMark05 from 7200-ish to 7880. Honestly I can't tell you if it made much difference in my games though, because either way the card kicks butt.

 

[niggles]

Originally posted by: giantpinkbunnyhead
I was able to OC mine up to 485/1.15 with no additional cooling and no artifacting.

Now I have an EVGA which is happy at 505/1.20. But the BFG should OC at least a little without having to do anything else. Just on its own, the BFG Overclock I did raised 3dMark05 from 7200-ish to 7880. Honestly I can't tell you if it made much difference in my games though, because either way the card kicks butt.

OK, I matched this clock speed and am having no artifacts yet. 3DMark05 score is 7500 to 7600, that's up from the stock 6815 that I was getting with the stock Overclock of the card. I'm now officially impressed, thanks everyone.

 

[malvare1]

Originally posted by: niggles

Originally posted by: giantpinkbunnyhead
I was able to OC mine up to 485/1.15 with no additional cooling and no artifacting.

Now I have an EVGA which is happy at 505/1.20. But the BFG should OC at least a little without having to do anything else. Just on its own, the BFG Overclock I did raised 3dMark05 from 7200-ish to 7880. Honestly I can't tell you if it made much difference in my games though, because either way the card kicks butt.

OK, I matched this clock speed and am having no artifacts yet. 3DMark05 score is 7500 to 7600, that's up from the stock 6815 that I was getting with the stock Overclock of the card. I'm now officially impressed, thanks everyone.

And this is playing which game, try playing F.E.AR with this card at that speed then let us know about artifacting. I can play DOOM at any speed without artifacting as it's not taxing the cards like FEAR, and this is with everything maxout.. In FEAR I maxed everything out except vsync and at anything above my current speed after 15-20minutes playing artifact would appear. Again try FEAR and let us know as I believe no other game available now can tax this video cards as much as FEAR.

Let us know..

 

[Art Vandaleigh]

I have no artifacting with my bfg 7800gt's in SLI running fear. I do have the NV5 coolers though, and run them at 480/1.16 clocks. Bumped me up a good 10fps average from the stock clocks too. They are pretty much on par with SLI GTX's running at default speeds so I'm happy. I mainly chose the NV5's because the stock cooler was way too loud, especially under heavy usage.

 

[malvare1]

Originally posted by: Art Vandaleigh
I have no artifacting with my bfg 7800gt's in SLI running fear. I do have the NV5 coolers though, and run them at 480/1.16 clocks. Bumped me up a good 10fps average from the stock clocks too. They are pretty much on par with SLI GTX's running at default speeds so I'm happy. I mainly chose the NV5's because the stock cooler was way too loud, especially under heavy usage.

I have the NV5's also maybe my cooler point of contacts are not well matched to the memory chips or I did not get 2 cards from a good batch of cards.

are all your advance video settings in FEAR maxed out?

what drivers are you using? I' m using extreme g 81.95v2.

Let me know
thanks

 

[JustStarting]

eVGA seems to have a slight edge on the OC results. My evga NV518 is stock at 445/1070, but has no problem hitting 510/1200 on cheap stock cooling- not the fancy eVGA copper stuff. This is just sitting on my bench with no airflow. When I install it in the case with my XT card cooler, I'll see what it really does.

8,200+ 3D'05

 

[niggles]

Originally posted by: Art Vandaleigh
I have no artifacting with my bfg 7800gt's in SLI running fear. I do have the NV5 coolers though, and run them at 480/1.16 clocks. Bumped me up a good 10fps average from the stock clocks too. They are pretty much on par with SLI GTX's running at default speeds so I'm happy. I mainly chose the NV5's because the stock cooler was way too loud, especially under heavy usage.

I've been playing BF2 all night and that's pretty taxing. I'll bump it up all the way and see what it does... I've had it set at around medium settings with distance at 100% and it's been fine. I'll bump it up all the way on everything and see what it does and get back to you. Why do you ask, do you think it will fail?

on the eVGA... I think you have the wrong thread, we're discussing the BFG here. Cheers.

 

[niggles]

OK, I bumped everything up including the AA to 4X and it chocked. Not really that surprising, it's a pig of a game. I turned off AA and it ran, but it would just freeze for about a half second and then go again every so often. Not sure if it was an onboard RAM issue, or a GPU issue. Still, I played it for about an hour like that and there were no relics at all, it's just a pig ofa game is all. I then lowered the resolution down to 1024 and it got a lot better. What a great looking game, wow! My frame rate was generally 40 to 45. when it stopped it didn't update the frame rate at all.
I'm loading FEAR up now and I'll mention how that was tomorrow.

 

[xelpmoc]

490-500 core and 1200 memory here.

 

[niggles]

wow, nice! Personally it detected 496 and 1.16, but I jacked it down to ensure stability. I'm not sure how much room if any Coolbits gives on what the card will actually take, and I'd rather be safe than sorry. I'm considering picking up a custom cooling solution to see what it will do. Still, I've been pretty impressed with this thing so far so I may just leave it as is.

 

[JJ650]

Apparently I am having difficulty trying to get my OC's to actually work on this card.
I ramped up the core to 485 and the mem to 1.14 but this is what 3dmark05 says it is:
Core Clock 425 MHz
Memory Clock 1093 MHz

??????

I'll try again, but my settings aren't keeping at all.

 

[niggles]

Originally posted by: JJ650
Apparently I am having difficulty trying to get my OC's to actually work on this card.
I ramped up the core to 485 and the mem to 1.14 but this is what 3dmark05 says it is:
Core Clock 425 MHz
Memory Clock 1093 MHz

??????

I'll try again, but my settings aren't keeping at all.

What utility are you using to OC?

 

[JJ650]

I was using NVtweak to unlock the options and trying to detect frequencies.

 

[JJ650]

Ok was screwing around and got the overclock to hold. Detected optimal settings at 499 core and 1198 for the mem. This is all on stock cooling.


Futuremark noted the frequencies at:

Core Clock 497 MHz

Memory Clock 1197 MHz

System details and scores

 

[djnsmith7]

For some reason, the Detect Optimal Frequencies didn't work for me...The system locked up & started showing artifacts...So, I tried again manually & came out with 495/1.15 running stable with stock cooling...I'm pretty happy with that...

Update: Everything was working fine last night when I overclocked the card...Played BF2 for a few hours...no problems...

Booted up the system this morning & had major artifacts...Couldn't see anything clearly...I could see just enough to Restore my system back to Friday...Everything is back to normal & working fine now...Just be careful overclocking this card...

 

[Matt2]

My neighbor's watercooled BFG 7800GT OC only hit about 500 on the core, but didnt go much past that until he volt modded it and it still only hits about 525mhz.

Each of my EVGA's hit higher than that on the detect optimal freq. My 515 (445/1.07 stock) detected at 510/1.18 and my 516 (460/1.1 stock) hit 515/1200 on air cooling.

Both were stable individually at a little higher than those speeds with no artifacting, but as soon as I slapped them together in SLI, I can only get 500/1150-1160 without artifacting after about 15 minutes of COD2 or FEAR.