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不同内存类型之间DRAM容量和带宽的差异
不同内存类型之间DRAM容量和带宽的差异
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所属报告：
电子行业存储专题三：AI时代核心存力HBM-240528（19页）.pdf
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fCDlhazlj7jlkI3np7AgICB8IOW4guWcuuS7veminSB8CnwtLS0tLS0tLS0tLS18LS0tLS0tLS0tLXwKfCDkuInmmJ/nlLXlrZAgICB8IDM3LjEwJSAgIHwKfCBTS+a1t+WKm+WjqyAgIHwgMzMuMTAlICAgfAp8IOe+juWFieenkeaKgCAgIHwgMjAuODAlICAgfAp8IOWNl+S6muenkeaKgCAgIHwgMS45MCUgICAgfAp8IOWNjumCpueUteWtkCAgIHwgMC42MCUgICAgfAp8IOWFtuS7liAgICAgICB8IDYuNTAlICAgIHwKCui1hOaWmeadpea6kO+8muS4reWVhuaDheaKpee9ke+8jOWFieWkp+ivgeWIuOeglOeptuaJgA==
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长鑫存储DRAM产能快速扩张（单位：万片/月，%）
fCDlubTku70gICB8IOmVv+mRq+WtmOWCqOS8sOeul+aciOS6p+iDve+8iOS4h+eJhy/mnIjvvIkgfCDlhajnkIPku73pop3vvIgl77yJIHwKfC0tLS0tLS0tfC0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLXwtLS0tLS0tLS0tLS0tLXwKfCAyMDIyICAgfCAxMCAgICAgICAgICAgICAgICAgICAgICAgICAgIHwgNiAgICAgICAgICAgIHwKfCAyMDIzICAgfCAxMiAgICAgICAgICAgICAgICAgICAgICAgICAgIHwgNyAgICAgICAgICAgIHwKfCAyMDI0ICAgfCAxNyAgICAgICAgICAgICAgICAgICAgICAgICAgIHwgMTAgICAgICAgICAgIHwKfCAyMDI1ICAgfCAyMyAgICAgICAgICAgICAgICAgICAgICAgICAgIHwgMTIgICAgICAgICAgIHwKfCAyMDI2RSAgfCAyNyAgICAgICAgICAgICAgICAgICAgICAgICAgIHwgMTMgICAgICAgICAgIHwKfCAyMDI3RSAgfCAzMSAgICAgICAgICAgICAgICAgICAgICAgICAgIHwgMTQgICAgICAgICAgIHwKCui1hOaWmeadpea6kO+8mumVv+mRq+WtmOWCqOWFrOWRiu+8jFRyZW5kRm9yY2XvvIzlm73kv6Hor4HliLjnu4/mtY7noJTnqbbmiYDmlbTnkIY=
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fCDml7bpl7QgICAgICAgfCDluILlnLrku73pop3vvIgl77yJIHwKfC0tLS0tLS0tLS0tLXwtLS0tLS0tLS0tLS0tLXwKfCBRMSAyNSAgICAgIHwgNiAgICAgICAgICAgIHwKfCBRNCAyNShGKSAgIHwgOCAgICAgICAgICAgIHwKCui1hOaWmeadpea6kO+8mkNvdW50ZXJwb2ludCwgSVTkuYvlrrYsIOS4nOaWuei0ouWvjOivgeWIuOeglOeptuaJgA==
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fCDkvIHkuJogICAgICAgfCDluILlnLrku73pop0gfAp8LS0tLS0tLS0tLS0tfC0tLS0tLS0tLS18Cnwg5LiJ5pif55S15a2QICAgfCAzNiUgICAgICB8CnwgU0vmtbflipvlo6sgICB8IDMyJSAgICAgIHwKfCDnvo7lhYkgICAgICAgfCAyMyUgICAgICB8Cnwg6ZW/6ZGr5a2Y5YKoICAgfCA1JSAgICAgICB8Cnwg5YW25LuWICAgICAgIHwgNCUgICAgICAgfAoK6LWE5paZ5p2l5rqQ77yaQ291bnRlcnBvaW50LCDmi5vllYbor4HliLg=
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DRAM现货价格（美金）
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行业数据
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行业数据
2026-05-13
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图3、2025Q4/2026Q1NAND和DRAM合约价预测（202602预测）
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行业数据
2026-05-11
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图11、AI驱动下的全球DRAM需求测算
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行业数据
2026-05-11
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2026-05-09
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2026-05-06
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2024年Q3-2025年Q4全球DRAM厂商竞争格局（统计包含HBM）
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2026-05-06
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自 ChatGPT 爆火之后，国内外大厂争相竞逐 AI 大模型。而 AI 大模型的基础，就是靠海量数据和强大算力来支撑训练和推理过程。其中一些模型有 1000 亿字节的数据，参数量越大，AI 模型越智能，以 GPT-4 模型为例有近 1.76 万亿参数量。对于每次重新训练的迭代，都必须从数据中心背板的磁盘上取出 1000 亿字节的数据并进入计算盒，在为期两个月的训练中，必须来回调取数百万次如此庞大的数据。如果能缩短数据存取，就会大大简化训练过程。但在过去 20年中，存储和计算并没有同步发展，硬件的峰值计算能力增加了 90000倍，而内存/硬件互连带宽却只是提高了 30 倍。当存储的性能跟不上处理器，对指令和数据的搬运（写入和读出）的时间将是处理器运算所消耗时间的几十倍乃至几百倍，这就要打破“内存墙”。此时，高带宽内存 HBM 应运而生，被认为是 AI 计算的首选内存。
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电子行业存储专题三：AI时代核心存力HBM-240528（19页）.pdf
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