新 MBP 的 CPU 問題 - MAC
By Olive
at 2012-06-15T11:22
at 2012-06-15T11:22
Table of Contents
這是很簡單的文字遊戲
apple很習慣寫實體核心數
但是i3 i5 i7 是有虛擬核心的
什麼意思??
就是實體的核心加上一些技術
使核心可以發揮更多效能
但是apple只寫實體
所以一般看到都會覺得很奇怪 為什麼都寫i7效能卻差這麼多
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i3雖然都沒了不過都是實體2核虛擬成4核心
i5在桌上型電腦屬於中階的cup
很可惜的和i3一樣是實體2核虛擬成4核心快取3.0MB
但是多了intel turbo boost
而又依據cpu的能力決定turbo的能力分為2.0版和一般版
i7則是很複雜的的規格 快取也不一樣但≧4.0MB
因為i7有實2虛4 和 實4虛8 兩種
要怎麼分
AIR就是實2虛4
所以他部分機型雖然掛著i7的旗子 但效能可能有時會比i5差一些
依CPU編號分
i7-2xxxM 第二代CPU32nm一般筆電使用
i7-3xxxM 第三代CPU22nm 筆電使用
i7-3xxxU 第三代CPU22nm ultrabook 節能省碳做環保的輕薄筆電AIR是代表
i7-xxxxQM 超強的cpu是8核心
i7-xxxxXM 這是神級cpu不知道apple有沒有拿來用mactracker還沒更新XD
想知道更詳細的數據請到intel官網http://ppt.cc/dEEx
小小的見解,請大家多多指教
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MAC
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