英特爾酷睿i7-11700K處理器性能全面評測
科技網站Lab501近日分享了英特爾酷睿i7-11700K八核Rocket-Lake桌面處理器的完整性能預覽。本次測試使用的是接近於最終零售的工程樣品,並將其和現有的多款英特爾酷睿處理器和AMD Ryzen CPU進行了橫向對比。
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英特爾酷睿i7-11700K 採用了和旗艦芯片相同的CPU 配置,只不過時鐘頻率稍微低一些,價格上也會更加親民。該CPU 將採用14nm 工藝節點,並採用全新的Cypress Cove 核心,帶來兩位數的IPC 收益。
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我們先來看看酷睿i7-11700K 的規格,我們看到該芯片的核心配置與酷睿i9-11900K 相同,但時鐘速度有所降低。據悉,該芯片具有3.60GHz 的基礎時鐘頻率,單個核心睿頻可以達到5.0GHz,所有8 個核心睿頻可以達到4.6GHz。該CPU 採用和酷睿i9-11900K 相同容量的緩存,主要的區別是時鐘頻率和功率限制,這款低配芯片將坐擁225-250W(PL2)左右的限制,而PL1 的限制將是標準的125W 。
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這將是有趣的,看看Rocket Lake CPU如何超頻,因為Core i9和Core i7芯片之間的微小差異可以通過一個小的超頻來克服。至於價格,酷睿i7也將比酷睿i9變種更便宜,但我們還不知道英特爾將如何為其8核Rocket Lake-S桌面CPU定價。
本次的測試平台使用了一塊Z590主板、16GB的DDR4-3200MHz內存(CL14)和一塊RTX 2080 Ti顯卡組成。在每一項測試中,CPU的性能都超過了它的主要競爭對手AMD Ryzen 7 5800X。你甚至可以看到下面的基準為自己證實這一點。
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遊戲性能也是如此,英特爾酷睿i7-11700K在一些遊戲中勉強擊敗了AMD Ryzen 7 5800X,而在其他遊戲中則被AMD Ryzen 5 5600X 擊敗。消息人士報告稱,英特爾Rocket Lake CPU 比AMD 基於Zen 3 的Vermeer CPU 的平均性能提升應該在1-2%左右。
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談到功耗,英特爾酷睿i7-11700K系統的功耗為286W,比AMD Ryzen 7 5800X配置的設置高出64W,比酷睿i7-10700K高出76W。看來功耗還是一個問題,主要與14nm工藝節點有關,因為AMD已經轉向了增強型的7nm工藝,在效率上是英特爾無法比擬的。
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同時,CPU的運行溫度確實比較低,在71C左右,而Ryzen 7 5800X的運行溫度在89C左右。這款特殊的英特爾酷睿i7-11700K還是早期的工程樣品,它的主要問題是目前主板不能正確應用功率限制&不能長時間維持全核升頻。
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