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How to overclock to the maximum a nVidia 9600M GT (8600M, 9700M, …)

January 31st, 2009

Today we are going to put our nVidia 9600M GT to its maximum performance, which hold up to 140% of its initial capacity!

Graphics cards essentially have 3 “clocks” at different frequencies, the GPU (core chip that makes all the calculations), the DDR memory (where textures are stored and read) and the SHADER (which processes each pixel individually parallel to the GPU)

There are two ways to overclock these graphics cards, hardware (BIOS flashing) and software (nvidia software)

Now we are going to the heart of the matter, if we overclock the card is best to keep the GPU:DDR ratio and DDR:SHADER ratio, I’ve seen many overclocks that work very well without caring this proportion, but if we do this we will avoid bugs (black screens) and the scores in 3Dmark will rise proportionally to the overclock, this will not happen if we went up with the GPU and not with the DDR, etc …

Therefore, for the 9600M GT we have this values (see at http://www.notebookcheck.net/NVIDIA -GeForce-9600M-GT.9449.0.html )

Core Speed 500 MHz
Shader Speed 1250 MHz
Memory Speed 800 MHz

Well, I have tested some configurations an I carry the core to 660 MHz mantaining the proportion (AND ALWAYS GETTING WITH THE DIVISION NATURAL NUMBRES WITHOUT DECIMALS).
I had 5600 marks before and now i have 7636 !!!!

500 / 1250 = 0.4 SHADER
500 / 800 = 0.625 DDR

For 660:

660 / 0.4 = 1650 MHz
660 / 0.625 = 1056 MHz

So let’s open the tool and put the values [660 / 1056 / 1650], sit over a couch in order not to fall, and watch the 3Dmark score!

The method to make a hardware overclocking

And to make a software overclocking [Download this nVidia tool]

If you have any doubts post it into comments

Asier Arranz Tecnología / Technology