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7800GT

All down to the individual card tbh.

Froms OC's I have seen most people seem to be able to reach 1200 on the memory but not as high as 500 on the core.

450/1150 is a good bet for most cards.
 
IIRC volt modding a 7800GT requires soldering and extra wires etc.

If you don't have a clue about it I wouldn't risk it tbh. Not for the gain you will receive. (gaming wise you won't notice enough of a difference to risk killing your card).

I am not 100% on this but there may be modified bios's which allow for greater voltages as well but like I have put I am not 100% certain.
 
I have that card and have looked at 7800GT reviews to see how far they could overclock their card and got an average of 483/1188 out of 15 reviews.

My card autodetects to 490/1120 but 490Mhz gives me glitches in F.E.A.R. so lowered it to 480Mhz, but I can clock the memory to 1160Mhz
 
Hi,

There are two ways for a core volt mod. BIOS and physical, physical allows more control because BIOS allows only +0.1v. I did mine through BIOS. I made a post on it on these forums, got it from someone called Pyro or something off of another forum.

http://forums.overclockers.co.uk/showthread.php?t=17513890&highlight=volt+mod+7800gt

For the RAM i used a pencil mod which can be found at the bottom half of this article.

http://sg.vr-zone.com/?i=2656&s=1

When i get back home ill get a screen shot of the "detect optimal frequencies for my 7800gt. Puts it to something like 517mhz / 1226mhz. However complete artifcting. Only just manages 500/1200.

Nightstalker dont forget the card is already heavily overclocked out of the box and any more out of it is pretty good really.

bbreezeuk i think its rev3 because all the other dont fit. not ure if the accelero ones fit, but they look more impressive than my current cooler.
 
460/1145. Could get it to 490/1200 but some artifacting. V mods allowed 500/1200 which gave 8339 marks in 3dmark05 and no artifacting. What do u get without v mod?
 
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