To overclock the V6600 PURE, I use Powerstrip by EnTech (available at the download page). Powerstrip allows you to overclock the V6600 as high as 200Mhz core and 250Mhz memory if you're crazy enough. This example of the V6600 didn't overclocked as well as the V6600 Deluxe. The highest I could run the card without seeing any artifacts was 150Mhz core and 200Mhz memory. Any higher than that and artifacts will show up in Quake 3. I then lapped the GPU and slapped on a Mellenger Video Card Cooling Kit on it. This allowed the V6600 PURE to match the overclocked speed achieved by the V6600 Deluxe, 155Mhz core and 210Mhz memory.

While lapping the GPU does make it nice and shiny, I doubt it really allowed me to overclock higher than no lapping. The GPU is pretty flat to begin with. The Mellenger RAM heatsinks were not really designed for the SGRAM layout the V6600 used. They were designed for eight SRAM chips. Still they get the job done and Mellenger is working on a SGRAM heatsink.

Overclocked Benchmark Scores

Again, the results are pretty much the same as a V6600 Deluxe when overclocked. Just like the Deluxe there is a big speed difference between 16 bit and 32 bit Quake 3. I setup the game using my own custom setup which are:

Resolution: 1024 X 768
Graphic mode: CUSTOM
GL Driver: DEFAULT
GL extensions: ON
Full screen: ON
Lighting: LIGHTMAP
Geometric detail: HIGH
Texture detail: HIGH
Texture quality: 32 BIT
Texture Filter: BILINEAR

The game options are:

Marks on walls: NO
Ejecting brass:  NO
Dynamic lighting: NO
Identify target: YES
High quality sky: YES

Overclocked Benchmark Scores

As you can see, the V6600 takes quite a drop when running Quake 3 at 32 bit. The main reason for this is the RAM is not feeding the GPU fast enough. This is the reason why nVidia created the GeForce 256 DDR (the Asus DDR card will be call the V6800) and a good reason to wait for that if high resolution 32 bit gaming is what you're after.

Next page: Conclusion

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