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8800GTX Flashed to 8800ultra? - Page 2

post #11 of 21
it will hit Ultra clocks just fine, I did it with that excat card myself
post #12 of 21
Quote:
Originally Posted by timAHH View Post
The Ultra has more SPs as well. Perhaps TMUs and ROPs.
That's not correct. Both the 8800GTX and Ultra have 128 SPs. No change in the architecture.
Edited by sccr64472 - 6/9/10 at 5:55pm
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post #13 of 21
8800GTX is A2 8800Ultra is A3 of the G80 silicon thats it for the GPU the ram is diffrent though
post #14 of 21
Quote:
Originally Posted by DraganUS View Post
I think it can handle stock clocks.

I think he might have a problem with the memory clock... going from 900 to 1080mhz is a big leap for that card.
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post #15 of 21
Thread Starter 
Well it does have heatsinks on the ram

After i cleaned it was able to reach the core and shader clocks No problem (How ever it would skip as soon as i would hit 100C).

I can try to OC the ram to those levels but i highly dough it.
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post #16 of 21
Weird Kool I ran furmark on that card at Ultra clocks, actully was able to take the core to 620/1530/1200 in furmark though it hit 104c it did it fine, in games it only hit 91c
post #17 of 21
Thread Starter 
Ambient 78F
Core Clock: 595
Shader: 1534
MaxTemp: 105
(After 105 it starts jittering)

Core clock: 620
Shader: 1534
Max Temp: 91
(After 91 it starts jittering)

Furmark with Xtreme Burning mode

I never pass 81 While folding. I dont know about gaming because i never really gamed since i got this card.

I Dunno man. What kinda cooling you got going on in your case. Because me and sneaky haven't been able to acheave these and remain stable.

As for memory. If i touched 1200 it would crash instantly as soon as i start furmark or any game.

BTW what kind of clock have you reached with the 9500gt?
Edited by KoolGuy - 6/10/10 at 12:47pm
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post #18 of 21
For that card to reach those speeds you need to put it under water. I have two my ultras and temps barely brake 50C under full load in Furmark.

Ambient: 70F - 78F


Edited by DraganUS - 6/10/10 at 12:59pm
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post #19 of 21
Thread Starter 
Im not planning on keeping this card for to long so im not going to both putting them on water.
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post #20 of 21
I'm pretty sure my GTX 8800 is flashed with an Ultra Bios. I don't know that it unlocked anything but it did give me the Ultra clock speeds and is perfectly stable on stock cooling and even on the auto fan profile.
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