3dfx Interview

Sharky Extreme heeft wat lopen babbelen met Scott Sellars van 3dfx. Deze vraag over de busbreedte van de GeForce 256 en Savage2000 is op zich wel interessant (beter dan de standaard marketing propaganda die in dergelijke interviews wordt verspreidt):

SE: Quad Pipeline: NVIDIA's GeForce has support for 2 pixels x 2 textures x 2 128-bit pipelines, while S3's Savage4 has 2 x 2 x 2 OR 1pixel x 4 textures x 1pipeline, indicating a true 256-bit pipeline. The Matrox G400 architecture is also called 256-bit. Describe Voodoo3's pipeline in these same terms and (if possible) indicate if there are any changes on this score for Napalm?

Scott Sellers: I don't think it's accurate to compare the number of pixels and/or textures processed in a 3D engine to its "bitness". In classic terms, the "bitness" of a graphics accelerator is how many data bits are output on the memory bus. So, GeForce should be called a 128-bit accelerator when it uses single data rate memories, and a 256-bit accelerator when it uses double data rate memories. The Savage 4 only supports up to 128-bits of single data rate memories, so it should accurately be called a "128-bit" accelerator.

Door Femme Taken

UX Designer

29-09-1999 • 07:45

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Bron: Sharky Extreme

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