提速67％三星完成2GHz GDDR4显存-快科技-科技改变生活

提速67％三星完成2GHz GDDR4显存

上方文Q
2007年02月24日 14:58
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在近日的国际固态电路大会(ISSCC)上，三星宣布了频率高达2GHz的GDDR4显存，比此前的水平提高了2/3。

GDDR4目前仅用于ATI Radeon X1950系列显卡，最高频率1GHz或1.2GHz，而三星现在将其提高到了2GHz，数据传输率也同时从2.4Gb/s提高到4Gb/s，生产工艺80nm，容量密度16Mb×32＝512Mb。

三星目前已经向生产商出货这种新的高速显存，预计年底即可出现在高端显卡产品上。

三星显存业务市场主管Mueez Deen称，GDDR4的频率极限不会超过2.5GHz，而下一代GDDR5将由此起步，在2008年底或2009年初达到5Gb/s带宽。

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