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Originally Posted by bmxbandit
i've got a lowly (by todays standards) GeForce 2 GTS, and autocad absolutely flies under OpenGL... unless you're doing seriously complcated work (i.e. .dwg files in excess of a couple of meg) then i can't imagine you need to spend much.
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Actually, sort of related to that. I've been using 3D Studio Max for a while, on a variety of machines with various Nvidia and ATI Radeon graphics cards. The only time the 3D perfomance of the card affects the app is when viewing the "perspective view", which is rendered quickly in 3d each time you change something. When you opt to render an image or movie, 3DS Max seems to use the CPU. I could be wrong though, it may well use parts of the Graphics card to accelerate the render.