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比GDDR5X更快,速率可达16Gbps GDDR6显存两年后问世

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2016-08-22 13:10:41 转载来源: 网络整理/侵权必删

随着GPU性能的提升,对显存的要求也越来越高,高带宽、低延迟显存成为研发的热点。在这方面,除了革命性的HBM显存之外,现有GDDR显存还会继续升级,美光主导的GDDR5X显存只是过渡版,下一代显存标准将是GDDR6,预计2018年随着DDR5标准问世,速率可达14-16Gbps

随着GPU性能的提升,对显存的要求也越来越高,高带宽、低延迟显存成为研发的热点。在这方面,除了革命性的HBM显存之外,现有GDDR显存还会继续升级,美光主导的GDDR5X显存只是过渡版,下一代显存标准将是GDDR6,预计2018年随着DDR5标准问世速率可达14-16Gbps

GDDR6显存两年后问世:比GDDR5X更快,速率可达16Gbps

现在的GDDR5显存已经发展到了8Gb颗粒、8Gbps速率,AMD、NVIDIA新一代显卡都已经在用,NVIDIA的GTX 1080显卡还率先用上GDDR5X显存,频率10Gbps,后者也是JEDEC标准,潜在目标速率可达14Gbps,不过GDDR5X只有美光在搞,三星、SK Hynix看起来是没有打算推出GDDR5X了。

在日前的Hot Chips 2016国际会议上,三星公开讨论了后GDDR5时代的显存标准,提出新一代显存速率在14-16Gbps,电压1.35V,简单来说就是在保持时钟频率1.75GHz的情况下,将数据频率至少翻倍。

GDDR6显存两年后问世:比GDDR5X更快,速率可达16Gbps

从三星给出的路线图来看,下一代内存标准预计会在2018年问世,其中DDR5速率超过3Gbps,LPDDR5速率超过6Gbps,而GDDR5频率超过14Gbps,而且新标准会更节能,LPDDR5标准能效提升20%。

GDDR6显存两年后问世:比GDDR5X更快,速率可达16Gbps

▲上面提到的LP4X类似GDDR5X,也是过渡型号,IO电压降低到了0.6V,IO部分节能45%,总体节能18%。

GDDR6显存两年后问世:比GDDR5X更快,速率可达16Gbps

▲后LP4时代的内存标准

标签: GDDR5X 更快 速率 可达 16Gbps GDDR6 显存 年后 问世


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