勝之不武:i9-12900K測試功耗2.3倍於R9-5 - 3C
By Kristin 
at 2021-11-04T15:06
at 2021-11-04T15:06
Table of Contents
來源:https://www.cnbeta.com/articles/tech/1198387.htm 
 
在近日分享的基準測試結果中,英特爾官方宣稱 Alder Lake-S 台式處理器擁有相當大的
優勢 —— 即使與市售最快的 AMD CPU 相比,12 代旗艦酷睿芯片仍有高出 30% 的遊戲
性能表現。然而 Hardware Times 指出,i9-12900K 与 R9-5950X 之間的平均差異只在
11~16%,此外我們也不該忽略英特爾未在官方宣稱中披露的其它關鍵細節。
 
https://imgur.com/rqiLrCT
 
首先,AMD 銳龍 R9-5950X 處理器在測試期間選用了 105W 的 TDP(PL1 檔位),而酷
睿 i9-12900K 跑到了 241W 檔位(PL2)—— 赫然是前者的 2.3 倍。
 
這意味著在 TDP 均衡的情況下,兩者的性能差距可能會進一步縮小到個位數,所以許多
愛較真的網友都覺得這是一次非常不公允的比較。
 
https://imgur.com/wgEknBr
 
Hardware Times 調侃道:在推出了“革命性”的新架構之後,其速度只比上市一年多的
競品領先 5~10%,這件事聽起來就相當滑稽。
 
此外這裡還只談到 PL1,如果進一步放開 R9-5950X 的 PBO / PL2 功耗門限(通常穩定
在 150~170W 左右),結果可能會讓廣大 DIY 愛好者感到更加詫異。
 
https://imgur.com/uuaM8rc
 
相比之下,内容創建基準測試項目的數據,反而更具參考價值,此時 11 代 Rocket
Lake 和 12 代 Alder Lake 都放開了手腳。
 
值得玩味的是,英特爾似乎不好意思放出與銳龍 5000 系列的這項跑分對比。
 
https://imgur.com/eCXv5cK
 
結果表明:雖然 Alder Lake 在遊戲工作負載方面有約 10% 的領先優勢,但内容創作方
面很可能只與銳龍 5000 系列打平。
 
隨著AMD 在 2022 上半年推出 3D V-Cache 改良版的 Zen 3+ CPU SKU,12 代酷睿的這丁
點優勢很可能被再次翻轉。
 
https://imgur.com/SKyfBAH
 
最後需要點明的是,這些基準測試是在針對銳龍處理器的 Windows 11 補丁發布之前開展
的。
其中L3緩存補丁挽救了大多數遊戲的性能低谷,而CPPC固件調度補丁又讓系统能夠正確選
擇最快的核心、來提升銳龍處理器的單線程性能。
 
--------------------------------------------------------------------------------------------
看來Intel整天吹的天高和最近常看到的偷跑評測確實都還有待商榷,12代或許會有比
Zen3強的跑分效能,但始終還是用高耗能換來的,Intel自始自終都還是擺脫不了功耗的
問題,這樣一來現在大家都煤炭荒要限電了,誰還來跟你買Intel。
 
--
    在近日分享的基準測試結果中,英特爾官方宣稱 Alder Lake-S 台式處理器擁有相當大的
優勢 —— 即使與市售最快的 AMD CPU 相比,12 代旗艦酷睿芯片仍有高出 30% 的遊戲
性能表現。然而 Hardware Times 指出,i9-12900K 与 R9-5950X 之間的平均差異只在
11~16%,此外我們也不該忽略英特爾未在官方宣稱中披露的其它關鍵細節。
https://imgur.com/rqiLrCT
首先,AMD 銳龍 R9-5950X 處理器在測試期間選用了 105W 的 TDP(PL1 檔位),而酷
睿 i9-12900K 跑到了 241W 檔位(PL2)—— 赫然是前者的 2.3 倍。
這意味著在 TDP 均衡的情況下,兩者的性能差距可能會進一步縮小到個位數,所以許多
愛較真的網友都覺得這是一次非常不公允的比較。
https://imgur.com/wgEknBr
Hardware Times 調侃道:在推出了“革命性”的新架構之後,其速度只比上市一年多的
競品領先 5~10%,這件事聽起來就相當滑稽。
此外這裡還只談到 PL1,如果進一步放開 R9-5950X 的 PBO / PL2 功耗門限(通常穩定
在 150~170W 左右),結果可能會讓廣大 DIY 愛好者感到更加詫異。
https://imgur.com/uuaM8rc
相比之下,内容創建基準測試項目的數據,反而更具參考價值,此時 11 代 Rocket
Lake 和 12 代 Alder Lake 都放開了手腳。
值得玩味的是,英特爾似乎不好意思放出與銳龍 5000 系列的這項跑分對比。
https://imgur.com/eCXv5cK
結果表明:雖然 Alder Lake 在遊戲工作負載方面有約 10% 的領先優勢,但内容創作方
面很可能只與銳龍 5000 系列打平。
隨著AMD 在 2022 上半年推出 3D V-Cache 改良版的 Zen 3+ CPU SKU,12 代酷睿的這丁
點優勢很可能被再次翻轉。
https://imgur.com/SKyfBAH
最後需要點明的是,這些基準測試是在針對銳龍處理器的 Windows 11 補丁發布之前開展
的。
其中L3緩存補丁挽救了大多數遊戲的性能低谷,而CPPC固件調度補丁又讓系统能夠正確選
擇最快的核心、來提升銳龍處理器的單線程性能。
--------------------------------------------------------------------------------------------
看來Intel整天吹的天高和最近常看到的偷跑評測確實都還有待商榷,12代或許會有比
Zen3強的跑分效能,但始終還是用高耗能換來的,Intel自始自終都還是擺脫不了功耗的
問題,這樣一來現在大家都煤炭荒要限電了,誰還來跟你買Intel。
--
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