AMD下代GPU代號北極星, GCN之後最高效架 - 3C

By Donna
at 2015-12-31T12:17
at 2015-12-31T12:17
Table of Contents
AMD Fiji 是今年革命性的產品,記憶體採用最先進的 HBM 技術,但 GPU 核心上並沒有
升級,
從 Tahiti 核心發布以來,GCN 1.0/1.11.2 連續三代的 GPU 架構都是 GCN 小改版,
效能及效率的變化並不是太大,這一點上遠不如對手 NVIDIA 的 Maxwell 架構。
然而2016年 AMD 將會推出全新的 GPU 家族,先前所得知的是“北極島”,
但 Radeon 集團已經換了首腦,代號也從地上升級到了天上,下一代 GPU 代號為“北極
星”(Polaris),
將是 GCN 架構之後最大升級,也是 AMD 史上最高效的 GPU 架構。
AMD 新一代 GPU 家族之前有過曝光,當時的消息稱新一代顯卡家族是北極群島(Arctic
Islands),
延續了前幾代 GPU 家族使用海島命名的慣例,
至少有 Greenland(格陵蘭島)、Baffin(巴芬島,位於加拿大)及 Ellesmere(埃爾斯
米爾,加拿大港口城市)三個核心。
但是隨著 Radeon 業務部門的重組,這一切都有可能改變,包括 GPU 代號。
AMD Radeon 業務部門老大 Raj Koduri、營銷部門總監 Chris Hook 之前在推特上藉著天
象的名義提到了 Polaris(北極星),
Koduri 還意味深長地表示自從托勒密發現北極星以來,這顆星星的亮度已經是之前的2.5
倍。
有消息稱他們提到的 Polaris 北極星就是 AMD 新一代 GPU 的架構代號,
從 HD 7970 發佈到現在差不多4年整了,AMD 一直在用 GCN 架構,但幾次 GCN 架構換代
都不算大,
帶來的只是一些小技術升級,顯卡的性能及能效都沒有實質性改動。
現在還無法得知“北極星”架構到底有什麼改進,但 AMD 官方早前已經公佈了部分訊息
,
並給玩家畫下很誘人的餅,下一代 GPU 將會擁有2倍的每瓦性能比,將使用先進的
FinFET 製程,
還會搭配上 HBM 2 記憶體,並加速 AR / VR 的應用。
下一代 GPU 的一個關鍵就是 FinFET 製程,AMD 並沒有提及到底是 14nm 還是 16nm ,
但從種種跡象來看,AMD 選擇 GlobalFoundries 甚至三星的 14nm FinFET LPP 的可能性
很大,
相比目前 GPU 還在用的 28nm 製程來說,新製程足足先進了兩代,所以能效方面肯定會
有大幅提升。
來源:http://www.coolaler.com/showthread.php/333029
趕快推出一張對應能打扁狂賣超過GTX970的型號
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