R520内建32管线 24管线工作-快科技-科技改变生活

R520内建32管线 24管线工作

P2MM
2005年06月02日 12:57
0

根据Theinq透露，R520图形芯片可能是目前唯一可以进行H.264视频硬件加速的图形芯片，尽管nVIDIA的G70图形芯片也可能加入对H.264的支持。H.264是下一代HD-DVD的视频压缩格式。ATi在Computex2005大会上展示R520，用R520运行Prey和Alan Wake两款次世代游戏demo，同时展示H.264视频解码。

Theinq表示，R520采用90nm工艺，内建3亿晶体管，是有史以来核心面积最大的图形芯片，R520内建32条渲染管线，但是ATi初期只会打开其中的24条管线，一来是要看看24条管线G70的性能如何，再作决定是否打开另外8条管线；二来是24条管线将提升R520图形芯片的生产良率。另外，Hexus网站获悉，nVIDIA手里还有一款G70 Ultra图形芯片，很可能采用90nm工艺，内建32条渲染管线，以备不时之需。

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