AMD下代APU不僅用14nm/Zen架構,可能HBM - 3C
By Delia
at 2016-03-21T12:18
at 2016-03-21T12:18
Table of Contents
隨著新一代Zen架構CPU、Polaris架構GPU的到來,AMD今年有可能苦盡甘來,不過APU產品
線今年的AM4新品並沒有使用新架構及新工藝
還是28nm Carrizo架構的APU改款。不過設想一下,今年APU雖沒有大升級,但下一代的
APU可能就要爆發一次了——
除了會用上Zen架構CPU及Polaris GPU核心之外,制程工藝也會升級到14nm FinFET,還有
一個驚喜可能就是HBM顯存了
這下APU頻寬再也不是瓶頸了。從AMD的APU處理器問世開始,限制APU性能發展的關鍵之一
就是頻寬
由於共用記憶體頻寬導致APU的頻寬遠不如顯存專用的GDDR5頻寬,所以APU配備的GPU核心
即便規模能達到低端獨顯
但性能上也會相差很大,而且GPU性能越強,這個問題影響就越大,不得不說是個遺憾。
去年的Fiji核心顯卡上,AMD開始商用HBM顯存,這種高頻寬顯存具備512GB/s的超高頻寬
、超低功耗
而且使用的3D堆疊封裝使得PCB面積節約了95%,這也讓很多人眼前一亮——HBM顯存不就
是APU頻寬不足的解決之道嗎?
沒錯,這事大家能想到,AMD也早就想到了,只不過一項技術是否用到產品上還要考量多
個因素。
好消息是下一代APU上就差不多達到成熟了,屆時CPU、GPU新架構都成熟了,下代APU不僅
會用上最新的Zen架構
及Polairs GPU核心,制程工藝也會升級到14nm,但驚喜不止這些。
義大利Bitchips表示他們得到的爆料稱AMD下代CPU不再使用TSMC代工
而是轉向GlobalFoundries的14nm FinFET工藝(AMD全面轉投老朋友的風向很明顯啊)。
此外,原文提到的封裝公司很有意思,是韓國的Amkor(艾克爾)科技。
在去年的Fiji顯卡上,AMD公司使用的就是Amkor的封裝工藝,這家公司雖然不如封測領域
的老大日月光這麼知名
但在TSV等3D堆疊工藝上有自己的特色,而APU上使用Amkor封裝意味著HBM顯存會在APU上
應用了。
好了,A飯明年可以期待這樣一款APU處理器了——4核8執行緒Zen架構核心、1024個
Polaris架構GPU核心
14nm LPP工藝,不鎖頻版TDP功耗95W,普通版TDP功耗65W,CPU性能堪比Skylake處理器,
GPU性能相當於5000元台幣獨顯
來源︰http://www.expreview.com/46199.html
消息愈來愈多
好大一包
--
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3C
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