3D Graphics cards


As an idea of 3D graphics is not old, it’s very useful to find out what product or which manufacturer to choose if you’re about to buy something from this new breed in graphics 3D card market. In this test there were 9 cards tested and they came from 7 different manufacturers. Three others weren’t able to take part because of being in process of developing their new products. Some cards tested offered both 2D and 3D acceleration, while others were dedicated 3D-only cards. The question is “Why?” – why there is a need for 3D acceleration? The screens are two-dimensional, but scenes they represent in games and CAD applications are often created in 3D, and the processing power to handle them is immense.

Keywords: 3d graphics, acceleration, anti-aliasing, alpha-transparency, depth cueing In this test there were cards tested and they came from different manufacturers.

The question is why? – why there is a need for 3d acceleration? The screens are two-dimensional, but scenes they represent in games and cad applications are often created in 3d, and the processing power to handle them is immense. Although today’s pc processors are fast, but they aren’t able to cope with both usual and 3d graphics processing – and this is a reason for the advent of 3d graphics cards. There is no doubt that the appearance of action games has improved considerably with the introduction of dedicated 3d accelerators – taking a look at recent titles such as unreal or forsaken proves that. 3d graphics cards are being developed for the use not only in games – 3d graphics design programs can render complicated objects much faster using 3d accelerators, but still you must ensure that the card you choose supports the operating environment that your graphics application requires. There is, however, one area of the pc market in which 3d acceleration is useless – that is for standard corporate pc’s, as they usually are being used for e-mailing, word processing, spreadsheet manipulation or image processing applications.

There are two main graphics interface types – peripheral connections interface (pci), and advanced graphics port (agp), as such one as vl-bus is too paltry to pay attention to. At the time of writing this annotation the question which interface to choose? is unnecessary, but at the time when this article was issued, agp was on his advent, so there were not many graphics cards based on agp on the market. Pci offer 33mhz bandwidth, which is more than adequate for 2d acceleration, but insufficient for 3d processing. As games developers paid more attention to 3d objects to look more real, textures in 3d games were getting a lot larger. Since they were normally applied as uncompressed bitmaps, memory capacity of graphics cards was to rise considerably.

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3D Graphics cards. (2010 m. Kovo 03 d.). https://www.mokslobaze.lt/3d-graphics-cards.html Peržiūrėta 2019 m. Lapkričio 20 d. 05:47
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