"It appears that the buzz about 3D graphics has been focused on a feature that is not even integrate din today's games - ray-tracing. Intel is beating the RT drum for its upcoming cGPU, which is still 18 months away. But it appears that Intel may be defeated in its own game, as AMD's graphics chips are supporting a 100% ray-traced pipeline, TG Daily learned.
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In terms of performance, the Radeon 2900XT 1GB rendered Transformers scenes in 20-30 frames per second, in 720p resolution and no Anti-Aliasing. With the Radeon 3870, the test scene jumped to 60 fps, with a drop to 20 fps when the proprietary Anti-Aliasing algorithm was applied. Urbach mentioned that the Radeon 4870 hits the same 60 fps - and stays at that level with Anti-Aliasing (a ray-tracer is not expecting more than 60 fps.) JulesWorld's technology also works on Nvidia GeForce 8800 cards and above, but the lack of a tessellation unit causes a bit more work on the ray-tracer side.
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So, what about photo-realism of these scenes? Unlike the general "3-5 years" answer you are hearing in the industry right now, he believes that this goal could be achieved by the end of the year."
Spændende udvikling, som sætter både Intel og nVidia under press.