7nm製程、4400MHz頻率!DDR5記憶體要來了 - 3C
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By Rosalind
at 2018-05-04T12:47
at 2018-05-04T12:47
Table of Contents
DDR4記憶體目前還是絕對主流,不斷被深入挖潛,頻率已經突破5GHz
不過下一代DDR5也已經蠢蠢欲動了。Cadence公司今天就宣布了DDR5的全新進展,無論製
程還是頻率都相當領先。
目前JEDEC標準組織正在研究下一代DDR5內存規範,已經有了初步版本
Cadence此番拿出的就是針對新規範的第一個DDR5 IP物理層晶片。該測試晶片採用台積電
7nm製程
數據速度可達4400MT/s,也就是頻率高達4400MHz,相比目前商用最快的DDR4-3200快了多
達37.5%
為了支援Cadence DDR5 PHY物理層的驗證和協作,美光也向其提供了DDR5初步版本的工程
原型
在此之前,Rambus也曾經提到過7nm製程下的DDR5 IP,並預計DDR5記憶體要到2020年才會
商用
首批自然還是伺服器和數據中心,消費者想要使用就更後面了。
除了提高傳輸速率外,DDR5還有望通過降低電源電壓和增加最大容量來降低能耗。這些優
勢對於伺服器應用尤為重要
因此Cadence準備將SoC用於高階伺服器。JEDEC打算在今年晚些時候發布最終規
。因此DDR5在2019年之前不會發佈。另一方面AMD和Intel的產品至少要等到2020年
因為計劃於2019年推出的Matisse / Zen2(AMD)和Ice Lake(Intel)都只將配備DDR4記
憶體控制器。
來源
https://www.computerbase.de/2018-05/cadence-ddr5-phy/
XF編譯
http://www.xfastest.com/thread-219273-1-1.html
以後平民裝機條 D5 時代 DDR5-4400 還有 DDR5-5333 然後16x2或單16 組機
高端玩家拿 32Gx2 坐等 Intel HEDT ?99 平台導入D5同 X99先用D4
--
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By Ingrid
at 2018-11-01T13:18
at 2018-11-01T13:18
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By Lily
at 2018-11-06T11:56
at 2018-11-06T11:56
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By Zenobia
at 2018-11-10T06:19
at 2018-11-10T06:19
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By Jacob
at 2018-11-12T15:35
at 2018-11-12T15:35
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By Margaret
at 2018-11-16T05:19
at 2018-11-16T05:19
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By Puput
at 2018-11-17T05:45
at 2018-11-17T05:45
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