Gigabyte 8600GT overclocking

[VitasiA]

When I OC the video card some games stuck.
It happens when I OC the memory. I tried OCing just the 3d core and everything is fine (current core clock is 684mhz). I gotta say that the temperatures are fine even with the memory overlocked.

Does that mean I won't be able to OC the memory?

thanks in advance

 

[VitasiA]

To be precise, games stuck when there is a big distance to draw. Like when you climb up to a high point in GTA san andreas the video card draws the whole city.

 

[zekrahminator]

By "stuck", I assume you mean "lock".

I suggest you get some heatsinks to stick on your RAM, or just get a better VGA cooler that actually bothers to cool the GPU/RAM/VRM's.

Or you can just point a fan at your video card. That works too, and it's much cheaper than 5 pounds of copper .

 

[thrazt]

hi there...i also have a 8600GT...used to have this prob until i adjusted my core and mem properly...my core is only at 635 and my mem is at 860...no prob whatsoever...and 3D mark 06 score was like 6200+ frm a 5700+....i use ATI tools to OC it...

u wan to try looking under my thread...its name...Overclocking 8600GT...lotsa help there...

good luck with ur OC...lower ur core...but dun push ur mem too high...nt over 900...with a stock cooler...which is what i am using..until i get the zalman cooler.. =)

 

[VitasiA]

I've selected auto-optimize option in Vtuner3 and it works fine. The core clock is 684 and 804 mem.

 

[Tatty_Two]

hi there...i also have a 8600GT...used to have this prob until i adjusted my core and mem properly...my core is only at 635 and my mem is at 860...no prob whatsoever...and 3D mark 06 score was like 6200+ frm a 5700+....i use ATI tools to OC it...

u wan to try looking under my thread...its name...Overclocking 8600GT...lotsa help there...

good luck with ur OC...lower ur core...but dun push ur mem too high...nt over 900...with a stock cooler...which is what i am using..until i get the zalman cooler.. =)

So my advice worked for you nicely then! good overclock! well done.

 

[Beelzebub_can]

I got my XFX 8600GT XXX with a spare zalman VF700-Cu heatsink on it, from stock 620/800 to 755/944.. So it kicks the 8600GTS's ass before any volt mods..



Perfect card for under 2 bills

 

[Tatty_Two]

I got my XFX 8600GT XXX with a spare zalman VF700-Cu heatsink on it, from stock 620/800 to 755/944.. So it kicks the 8600GTS's ass before any volt mods..



Perfect card for under 2 bills

Very nice! but my neighbour has a Galaxy 8600GTS with a custom waterblock on it, voltmodded and he is running it at 835 on the core ans 2320 on memory! In 3D Mark 2005/6 he can match and beat a 1950XTX!!!!

 

[theonetruewill]

Very nice! but my neighbour has a Galaxy 8600GTS with a custom waterblock on it, voltmodded and he is running it at 835 on the core ans 2320 on memory! In 3D Mark 2005/6 he can match and beat a 1950XTX!!!!

One word: CRIKEY!

 

[Tatty_Two]

One word: CRIKEY!

My thoughts, was kind of hoping I could talk him into doing one for me but he had all the parts from old rigs/setups, the waterblock etc looks aweful but performs well, he idles at around 44C and 65C full load even at those speeds! He hardly games however and I am sure he only does this to make me jelous!!

 

[bigboi86]

Very nice! but my neighbour has a Galaxy 8600GTS with a custom waterblock on it, voltmodded and he is running it at 835 on the core ans 2320 on memory! In 3D Mark 2005/6 he can match and beat a 1950XTX!!!!

http://www.vr-zone.com/?i=5010

Galaxy makes their cards from well-picked parts sometimes. I bet a 1950XTX will kill that card in real world gaming in high res though. Even at 2ghz+ the 8600GTS wont have the same memory bandwidth as the 1950.

 

[Tatty_Two]

http://www.vr-zone.com/?i=5010

Galaxy makes their cards from well-picked parts sometimes. I bet a 1950XTX will kill that card in real world gaming in high res though. Even at 2ghz+ the 8600GTS wont have the same memory bandwidth as the 1950.

Agreed, I would quite like to try the Gainward 512MB 8600GTS, it comes with 1.0Ns memory, If i could only talk him into voltmodding and cusomer water on it I think with the extra memory it would be awesome but I agree, at the end of the day the 128 bandwidth is going to hold them back.

 

[JC316]

The 128 bit is the only thing stopping these cards from being 8800 quality.

 

[Solaris17]

i tried 680/800 but i started getting artifacts i clocked my core down to 660 and it runs fine weird thing is when it was at 680 and i started 3dmark i left ati tool open and when i got artifacts i aborted and my temp was only 66ºC WTF? i dont get it any help?

 

[Wile E]

i tried 680/800 but i started getting artifacts i clocked my core down to 660 and it runs fine weird thing is when it was at 680 and i started 3dmark i left ati tool open and when i got artifacts i aborted and my temp was only 66ºC WTF? i dont get it any help?

Perhaps it wants more voltage.

 

[Solaris17]

how do you go about a voltage mod? i dont know the pin or solder points to make the bump or how much each bump will do. or how much i need.

 

[Wile E]

Sorry Solaris, can't help you there. I was under the impression that you could tweak voltages with software. Have you given RivaTuner a shot?

 

[Solaris17]

no i havent tried riva tuner yet i think ill do that when i get home thnx dude i totally forgot aout that program. maybe theirs a fan option to i tired looking with ati tool but w1zz hasnt programed it yet.

 

[thrazt]

do u guy be volt modding it..it could run better...and what does it mean by volt modding, feeding the card with more voltage than its alr been feed? as you can see from the XFX...they are OC to a high value..mem something around 1k if i'm not wrong...( i also wan mine to be like that!!) since i'm currently running 635//860...hope i can push it further...

i think the both of us need alot of help here..

=)

i'm thinking of OC to about 700+//1k...but just cant push it beyond what i am now...still gettin artifacts if i do...is the temp. affecting how much we can OC? or is some other factors that are playing, that we dun know of?

 

[thrazt]

ooh yeah...forgot...imo, i think its easier to OC with ATI tools and push fan speed with rivatuner...i have a hard time trying to figure out how to OC with Riva...

 

[Tatty_Two]

From looking at the guide, a voltmod does not seem too difficult, I once did an old 7900GT and had the core running faster than the GTX!

For you guys that are interested or just plain inquisitive, a mod guide is here:

http://sg.vr-zone.com/?i=4875&s=2

It shows some spectacular results.....near 1Gig on the core!! Just make sure that anyone considering this is either:

1. Mad
2. Courageous
3. Rich
4. Mad, Courageous and rich

Preferably number 4, please remember warranties are not just void...they are laughable and get that cooling ready! (I think it's called Antartica )

Hope it at least informs.

 

[Beelzebub_can]

Very nice! but my neighbour has a Galaxy 8600GTS with a custom waterblock on it, voltmodded and he is running it at 835 on the core ans 2320 on memory! In 3D Mark 2005/6 he can match and beat a 1950XTX!!!!

Thats a crazy overclock! but if you can get the 8600GT to the levels (on Air) shown in the link below then why spend $70CDN+Tax more for a GTS. I found this for anyone wanting to do voltmods to a 8600GT.. http://sg.vr-zone.com/?i=4925&s=5

NUTS!

 

[Tatty_Two]

Thats a crazy overclock! but if you can get the 8600GT to the levels (on Air) shown in the link below then why spend $70CDN+Tax more for a GTS. I found this for anyone wanting to do voltmods to a 8600GT.. http://sg.vr-zone.com/?i=4925&s=5

NUTS!

I agree but the thing is, whilst the cores are the same, the only way a GT is going to match a GTS is by a voltmod, same cores = less voltage to core on GT = Slower, and also you have to remember, the GT's memory will likely be infirior, again with lower volts hence why the GTS can acheive such high memory speeds, most GTS's come with 1.1ns memory....some like the gainward with 1.0ns memory, thats asgood as it gets on any GDDR3 card on the planet basically, if a GT only comes with 1.2-1.4ns memory, no matter how much voltage you put through it it is not going to compete with the GTS.

The secret is therefore, buy a GT but shop around for one with 1.1ns memory chips, there must be some out there, if you can find it and coupled with a voltmod then you may be getting near a voltmodded GTS....make sense?