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[G3D] ASUS GeForce GTX 580 DirectCU II Overclocked at 1519MHz

post #1 of 57
Thread Starter 
172833.jpg
Quote:
I just tested ASUS’s Radeon HD 6950 DirectCU II and this card has some nice overclocking capabilities due to the Cayman PRO GPU + custom PCB + power circuitry + VGA cooler (DirectCU II).

So I was only half-surprised when I read this story: a member of XtremeSystems forums (the famous Shimano) has pushed the GPU of an ASUS GeForce GTX 580 DirectCU II up to 1519MHz!

Why it’s an impressive overclocking? Because the reference clock speed of the GF110 GPU is 772MHz: 1512-772 = 740MHz. The overclocker has managed to double the GPU core clock speed! Only on some well designed cards you can do this massive overclocking (the PCB and power circuitry must have very high quality components).

Of course, the bulky 3-slot VGA cooler (DirectCU II) has nothing to do in this overclocking: only LN2 cooling is used (LN2: liquid nitrogen: -196°C).

The overclocker give some important details about voltages (with the help of some pcb hardmod):

- 1.5V Vcore
- 2.12V memory
- 1.36V PLL


Other important detail: GTX 580 OCP has been disabled by hardware modification on the PCB.

Source
Edited by Open1Your1Eyes0 - 2/3/11 at 1:03pm
post #2 of 57
Amazing.
Quote:
With such an overclocking, SLI is useless
LOL?

SLI with 2 cards at that speed would be incredible for benchmarks... wouldn't it?
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post #3 of 57
1519Mhz that is amazing!lmaosmiley.gif
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post #4 of 57
There.
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post #5 of 57
Quote:
Originally Posted by Chunky_Chimp;12248328 
There.

TY smile.gifheart.gif
post #6 of 57
Now I want a special edition of the GTX 580 with those clocks and a passive cooler smile.gif
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post #7 of 57
I wonder what would happen if they did this to the 6990 and the GTX 590. Yum.
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post #8 of 57
Thread Starter 
Quote:
Originally Posted by Chunky_Chimp;12248328 
There.

Thank you Chunky_Chimp. I appreciate your reconsideration to return it to a separate thread.
post #9 of 57
woa. Now get it into quad/tri SLI and lets see some 3DMark 11/Vantage runs.
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post #10 of 57
Quote:
Of course, the bulky 3-slot VGA cooler (DirectCU II) has nothing to do in this overclocking: only LN2 cooling is used (LN2: liquid nitrogen: -196°C).

Meh.
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