AMD幫你節能減碳:RX 480一年能省32%電費 - 3C
By David
at 2016-08-26T11:57
at 2016-08-26T11:57
Table of Contents
大家升級顯卡時首先要考慮的問題是什麼?
遊戲玩家顯然會先看目標顯卡性能相比目前在用的型號有多少提升
這將直接關乎遊戲體驗。在此之外才會考慮別的因素,比如功耗、發熱等等。
AMD、NVIDIA新一代顯卡都從28nm工藝升級到了16/14nm工藝,能效比上皆有大幅提升
那麼到底能省下多少電費呢?AMD還就用RX 480顯卡幫你們算了一筆賬
從R9 390改用RX 480顯卡,算下來一年能節省32%的電費
約為296度電,折合37美元(美帝電費這麼便宜),同時幫助地球減少204千克碳排放。
RX 480顯卡不光是性能強,節能還可以省電省錢
新一代顯卡追求能效已經不是秘密了,NVIDIA顯卡從Maxwell架構開始就實現了能效比飛
躍了
16nm工藝的Pascal更甚,而AMD也從RX 480顯卡開始進入14nm工藝,相比目前的28nm工藝
顯卡同樣有明顯的能效提升
官方之前也介紹過Polaris顯卡的能效比,他們一直在強調2.8倍的每瓦性能比變化
其中14nm工藝帶來了170%的能效改善,Polaris架構的GCN核心提升了15%的IPC性能
再結合時鐘頻率管理、電晶體柵極等功耗管理技術,最終實現2.8倍的能效。
對比用的測試平臺配置(AMD為啥不用自家的FX處理器)
類比使用者日常使用,平臺配置如下: http://goo.gl/qBOqqy
下面就是測試結果,AMD類比的使用者使用情況還是挺合理的
每天包括4.4小時的遊戲時間(這得是重度PC遊戲玩家了)
1.6小時視頻播放、2小時網頁流覽、3小時長時間待機
1小時短時間待機、關機6小時、睡眠6小時。
http://goo.gl/NflTVF
新工藝、新架構改進使得Polaris顯卡能效大幅提升
口說無憑,那麼Polaris顯卡如此高的能效到底能給玩家帶來什麼收益呢?
AMD還真的幫你計算了,他們對比了RX 480顯卡及R9 390顯卡的功耗情況
RX 480與R9 390顯卡的使用情況類比
在這部分中,遊戲顯然消耗了最多的功耗
R9 390一年遊戲功耗達到了642.4KWh(1kWh就是一度電了),RX 480只有385.4kWh
僅此一項節能40%。此外,視頻播放及網頁流覽中也分別節能17%、33%。
當然,RX 480功耗增加的地方也不是沒有
兩種待機功耗就分別增加了6%、1%的電量消耗,不過比例並不算大,對整體影響不高。
折算下來,R9 390顯卡每年用電929kWh,RX 480為633kWh,減少了32%的電量消耗。
AMD在此基礎上繼續幫用戶計算了下,RX 480平臺一年可幫用戶節省296kWh電量
相當於節省37美元,而節電的意義不僅是省錢,這也相當於為地球減少204千克碳排放,
一舉兩得啊!
來源:http://www.expreview.com/49087.html
XF編譯
http://www.xfastest.com/thread-176102-1-1.html
AMD 幫你省電費
趕快換 RX480
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