8800 GTS 640 Overclock

clarkey01

Diamond Member
Feb 4, 2004
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Is their much headroom to squeeze from this card ?

Also, which OC program would you recommend ?

Nvidia make their down dont they ?

I would rather not use ATI tool :)

Thanks Guys
 

Aberforth

Golden Member
Oct 12, 2006
1,707
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With an aftermarket cooler you can safely reach 667/970 or 650/950 or 630/985 with riva tuner.
 

clarkey01

Diamond Member
Feb 4, 2004
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Originally posted by: Aberforth
With an aftermarket cooler you can safely reach 667/970 or 650/950 or 630/985 with riva tuner.
How much, I will order through here ://www.overclockers.co.uk/
 

TC91

Golden Member
Jul 9, 2007
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use rivatuner and try the stock cooler first, most of these cards will do ~600mhz+ on core, ~1450mhz+ on shaders, and ~900mhz on the memory (if you have the A2 revision). The A3 revisions clock a bit higher (most of them hit 650mhz on the core pretty easy it seems).
 

Ragamuffin45

Junior Member
Jul 8, 2008
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sucks for me. i got 1 A2 8800GTS 320mb and a A3 GTS so the A3 is somewhat restricted in clock speed because of the other one.
 

TC91

Golden Member
Jul 9, 2007
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Originally posted by: clarkey01
Is there not Nvidia program that OC's for you ???
Nvidia'a program is called ntune, but its a big bloated piece of software. Use rivatuner instead.
 

gramboh

Platinum Member
May 3, 2003
2,207
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My 8800GTS 640MB was running at 610-1900 (950DDR) on stock cooling for about 15 months. I'll sell it to you if you want :)

I used RivaTuner to OC it.
 

zagood

Diamond Member
Mar 28, 2005
4,102
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I got my card up to 620/950 on stock cooling. Got scared hehe...I run it at 600/900 for gaming and 400/700 for desktop. Rivatuner.
 

BolleY2K

Member
Mar 18, 2007
66
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My 8800 GTS 640 A2 runs 650/1000 with stock cooling and RivaTuner for 16 months now without a problem. My case is very well ventilated with a 120mm sucking at the front, 2 x 120mm blowing at the back and a 120mm blowing backwards in the middle of the case. So it depends I suppose....
 

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