新發現11代兩種記憶體配置模式下性能有差 - 3C
By Agnes
at 2021-04-09T07:56
at 2021-04-09T07:56
Table of Contents
11代Core桌上型處理器已經正式發售,TPU針對記憶體部分進行了測試有了進一步發現
和大家分享下。先說理論部分,11代Core重新設計了記憶體控制器
定義為Gear(齒輪)工作模式,對應在BIOS中就是Gear 1和Gear 2兩種設定。
其中Gear 1工作模式為1:1,也就是CPU記憶體控制器和記憶體工作頻率之比是1:1
記憶體控制器和記憶體同步工作,此模式下可以最大記憶體效能
延遲最低。Gear 2模式就是2:1,記憶體控制器和記憶體非同步工作
此模式通過減少一半的記憶體倍頻的方式降低記憶體控制器的頻率
好讓記憶體不受記憶體控制器的限制更加容易超頻。
在TPU測試中選取的是i5-11400F,搭配DDR4-3733在Gear 2工況下
CPU整體跑分比Gear1工況平均快了1.5%
其中Cinebench R23多線程快了3.42%、MySQL快了6%、渲染和媒體測試快了1~3%
在更強調單線程的遊戲測試中,Gear2才比Gear 1略慢。
另外值得注意的是Gear 2模式下功耗也更低,Gear 1則要多出5~10W。
來源 https://news.mydrivers.com/1/749/749847.htm
XF編譯 https://www.xfastest.com/thread-249558-1-1.html
遊戲效能首選 買的到 不是空氣 就好談
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