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Posted

You can easiliy overclock the 128mb version to the 64mb one. I would guess the reason is because the GPU is more stable when it has to address less memory.

Posted

ramdac are to do with TV out

Short for Random Access Memory Digital-to-Analog Converter, a single chip on video adapter cards. The RAMDAC's role is to convert digitally encoded images into analog signals that can be displayed by a monitor. A RAMDAC actually consists of four different components - SRAM to store the color map and three digital-to-analog converters (DACs), one for each of the monitor's red, green, and blue electron guns.

i would assume the 64mb uses faster ns ram? but the 128mb card should be faster in programs that use lots of hi res textures, at higher resolution or with FSAA should give better performance

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