[情報] AMD Polaris顯卡能效暴漲50%,RX 480了從
看板PC_Shopping作者KotoriCute (Lovelive!)時間7年前 (2016/10/14 12:08)推噓165(165推 0噓 575→)留言740則, 103人參與討論串1/1
AMD Polaris顯卡能效暴漲50%,RX 480了從150W降至95W
http://www.expreview.com/50002.html
AMD的Polaris北極星顯卡升級了GCN 4.0架構,制程工藝也從28nm躍升到14nm FinFET,每
瓦性能比已經比前代大提升,官方資料稱是前代2.8倍。 不過相對NVIDIA的Pascal顯卡來
說,同級別的GTX 1060能效比依然比RX 480要好,前者功耗是120W,而RX 480典型功耗是
150W。 不過AMD經常開掛,Polaris即將推出新版本,能效比要比現在暴漲50%,這意味著
RX 480的功耗可從150W降至95W,RX 460從75W降至50W內......
不同架構、工藝的GPU能效比提升50%還比較可信,但是同架構、同工藝的GPU還能繼續提
升50%能效比就有點匪夷所思了,以前倒也聽過不同步進的GPU/CPU會有不同的表現,但是
提升50%怎麼說都有點讓人不敢相信,不過已經有兩家外媒都表示AMD Ploaris 10和
Polaris 11確實有新版本,每瓦性能比提升50 %。
這麼算的話,基於Polaris 10核心的RX 480顯卡之前的典型功耗是150W,新版本將降至
95W以內,Polaris 11核心功耗則從75W降至50W內,而且頻率還提高了,以致于浮點性能
從之前的2.15TFLOPS提升到了2.5TFLOPS。
新版本Polaris GPU首先用於嵌入式市場,包括使用Polaris 10核心的E9550、Polaris 11
核心的E9260。 此外,新版GPU據信還會用於移動版的RX 400系列顯卡上,不過是否會在
桌面市場上應用還不確定。
PS:考慮到之前有關AMD的各種猛料最後的下場,所以大家對這條消息一定要淡定——同
工藝同架構下,不同版本的GPU在性能比上可以提升50%實在難以讓人置信,要麼是消息誤
讀,要麼是AMD掌握了黑科技,當然還有一種可能就是GlobalFoundries之前太不靠譜,初
期的Polaris晶片在漏電等問題上沒控制好, 而現在95功耗版的Polaris 10才是它的真面
目。
更新1:找了下,爆料的源頭其實應該是AMD發佈的嵌入式E9550、E9260顯卡,前者基於
Polaris 10核心,浮點性能5.8TFLOPS,跟RX 480是一樣的,但官方確實表示其典型功耗
低於95W,而E9260浮點性能也確實是2.5TFLOPS,比目前的RX 460還略高一些,功耗則降
至50W內。 這說明AMD真的推出了低功耗的Poalris顯卡,而且性能也沒有損失,甚至有加
強,不過E9550/E9260等嵌入式顯卡是MXM規格的,與桌上出版不同。
這也可以證明AMD的黑科技應該是存在的,但是桌上出版的Polaris未來是否升級還不確定
。
--
intel:你也懂黑科技? AMD:略懂!
--
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