[情報] AMD顯示卡救星來了!SK HYNIX HBM2記憶
看板PC_Shopping作者hn9480412 (ilinker)時間7年前 (2016/07/16 21:59)推噓85(85推 0噓 245→)留言330則, 37人參與討論串1/3 (看更多)
https://news.xfastest.com/sk-hynix/23436/amd-vga-sk-hynix-hbm2/
AMD顯示卡救星來了!SK HYNIX HBM2記憶體本季出貨
2016-07-16
AMD R9 Fury X顯示卡去年第一個用上了HBM高頻寬顯示記憶體,實現了驚人的4096-bit位
元、512GB/s頻寬。大大節省了PCB面積,讓顯示卡整體做的更加小巧。不過遺憾的是容量
偏小,單顆只有1GB,Fury X用了四顆才提供4GB。
現在,SK Hynix宣布,第二代HBM2顯示記憶體已經開始量產,將在第三季內出貨,容量直
接提升至單顆4GB(4 Die堆疊),四顆就能組成16GB,輕鬆滿足任何顯示卡的需求。
SK Hynix的HBM2有兩種頻率規格,其一為2Gbps,單顆頻寬256GB/s,四顆就能組成1TB/s
,其二為1.6Gbps,單顆頻寬204GB/s,四顆就是816GB/s。AMD Vega核心高階卡就會採用
SK Hynix的這種HBM2記憶體,不過要到明年初才會正式發表。
三星已經在今年初就宣布量產自己的HBM2,單顆容量同樣是4GB,頻寬也是256GB/s,今年
還計劃推出8GB型號。NVIDIA GP100核心的高效能繪圖卡-Tesla P100,據悉使用的就是三
星這種4GB HMB2,四顆組成16GB,不過總頻寬只有720GB/s,意味著頻率只有1.4Gbps。
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