Intel 發布 MDS 漏洞微代碼更新以及漏洞 - 3C
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By Zanna
at 2019-05-16T13:06
at 2019-05-16T13:06
Table of Contents
讓我們來看看i皇最新規格表
G4900 2C2T 3.1G $1550
G5400 2C2T 3.7G $1950
i3-8350K 4C4T 4.0G $4500
i5-8400 6C6T 2.8G(4.0G) $5750
i7-8700 6C6T 3.2G(4.6G) $9800
i7-8700K 6C6T 3.7G(4.7G) $12200
i3-9100F 4C4T 3.7G $3100
i5-9400F 6C6T 2.9G(4.1G) $4900
i5-9600KFC 6C6T 3.7G(4.6G) $7800
i5-9600K 6C6T 3.7G(4.6G) $8100
i7-9700KFC 8C8T 3.6G(4.9G) $12600
i7-9700K 8C8T 3.6G(4.9G) $13300
i9-9900KFC 8C8T 3.6G(5.0G) $15500
i9-9900K 8C8T 3.6G(5.0G) $15800
結論:買87的真的變87了,買i9-9900系列也成令人懷念的回憶了XD~
※ 引述《Everless (ミカ)》之銘言:
: Intel 最近發布了新的 CPU 微代碼,以解決最近的4個安全漏洞,這些微代碼可以透過主機
: 板 UEFI 來更新,有些處理器甚至可以透過 Windows Update 升級,這些處理器微代碼更新
: 包括了第二代 Sandy Bridge 之後的 Core 、Xeon 處理器。
: 這些漏洞主要是針對 Intel 的 HT 多執行緒進行攻擊,Intel 建議用戶除了更新軟體與微
: 代碼之外,也可以關閉 HT 來杜絕漏洞,不過這對於一些比較舊款的處理器,或核心數比較
: 少的用戶可能相當的影響,如 Core i3 的2C4T。目前 Chrome 74 版本已經禁用了 Intel
: 處理器的 HT,也就是只會吃到實體核心的資源,避免你存在 Chrome 裡面的網站密碼洩漏
: 。
: 另外 Intel 也針對了微架構更新之後的效能進行測試,表示這個漏洞更新對於效能的影響
: 微乎其微,即便關閉了 HT 之後影響也不大,這可能跟第八代、第九代多出了50%~100%的核
: 心數有關係,不過也可以看到在關閉 HT 之後對於部分軟體確實會有較明顯的差異。
: 資料來源:https://www.coolaler.com/threads/intel-mds.355482/
: -
: I7變i5 i3變奔騰
: 水喔
--
G4900 2C2T 3.1G $1550
G5400 2C2T 3.7G $1950
i3-8350K 4C4T 4.0G $4500
i5-8400 6C6T 2.8G(4.0G) $5750
i7-8700 6C6T 3.2G(4.6G) $9800
i7-8700K 6C6T 3.7G(4.7G) $12200
i3-9100F 4C4T 3.7G $3100
i5-9400F 6C6T 2.9G(4.1G) $4900
i5-9600KFC 6C6T 3.7G(4.6G) $7800
i5-9600K 6C6T 3.7G(4.6G) $8100
i7-9700KFC 8C8T 3.6G(4.9G) $12600
i7-9700K 8C8T 3.6G(4.9G) $13300
i9-9900KFC 8C8T 3.6G(5.0G) $15500
i9-9900K 8C8T 3.6G(5.0G) $15800
結論:買87的真的變87了,買i9-9900系列也成令人懷念的回憶了XD~
※ 引述《Everless (ミカ)》之銘言:
: Intel 最近發布了新的 CPU 微代碼,以解決最近的4個安全漏洞,這些微代碼可以透過主機
: 板 UEFI 來更新,有些處理器甚至可以透過 Windows Update 升級,這些處理器微代碼更新
: 包括了第二代 Sandy Bridge 之後的 Core 、Xeon 處理器。
: 這些漏洞主要是針對 Intel 的 HT 多執行緒進行攻擊,Intel 建議用戶除了更新軟體與微
: 代碼之外,也可以關閉 HT 來杜絕漏洞,不過這對於一些比較舊款的處理器,或核心數比較
: 少的用戶可能相當的影響,如 Core i3 的2C4T。目前 Chrome 74 版本已經禁用了 Intel
: 處理器的 HT,也就是只會吃到實體核心的資源,避免你存在 Chrome 裡面的網站密碼洩漏
: 。
: 另外 Intel 也針對了微架構更新之後的效能進行測試,表示這個漏洞更新對於效能的影響
: 微乎其微,即便關閉了 HT 之後影響也不大,這可能跟第八代、第九代多出了50%~100%的核
: 心數有關係,不過也可以看到在關閉 HT 之後對於部分軟體確實會有較明顯的差異。
: 資料來源:https://www.coolaler.com/threads/intel-mds.355482/
: -
: I7變i5 i3變奔騰
: 水喔
--
Tags:
3C
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