WP何時轉用Intel的Application Processor?

本帖最後由 wild 於 2013-6-8 08:49 編輯

有2篇報導分別是:
-Intel And ARM Fight Over Mobile Processor Superiority
-Intel App Processor Outperforms NVIDIA, Qualcomm, Samsung: report

當然係Intel同ARM都話自己粒U係最強最慳電!

不過留心睇下都會有意外發現!
ARM also noted that Intel's x86 processors create compatibility issues on Android systems, which require them to "emulate" an ARM processor for apps to run properly, consuming more power.


x86 CPU行Android, 為了兼容Android app, 係要行多一層ARM的emulation, 速度會因而變慢, 亦會增加不必要的耗電!

-反之MS的強項就是在x86/x64的平台上.

-由Windows 8/Windows RT開始, MS甚至放棄WP7原先的CE Kernel, 重新移植NT Kernel到WP8上.

-而且係將x86/x64/ARM在唔同的W8/W RT/WP8 OS上建立一套相近的API, 無論D APP係寫比W8, W RT, WP8; 還是寫比x86/x64/ARM, 都可以用最少effort就可以轉去唔同的CPU平台, 或是唔同的W8/W RT/WP8 OS上!

-Windows 8.1(Windows Blue), Windows RT 8.1和WP 8.1(WP Blue), 除了增加功能外, 就是進一步加強係唔同OS上API的統一性, 預先為了不久的將來, 原先行係ARM OS的app(如WP8) 改為轉用x86/x64之下的OS打下良好的基礎!


Intel亦改變策略, 加強係GPU(係比Notebook/Tablet)和功耗(係比Mobile Devices如smartphone)兩方面!

Intel的Bay Trail chip就係比notebook/tablet之類, Merrifield chip就係比D要好慳電的mobile devices如smartphone.

Intel has been claiming that chips based on the Silvermont architecture are 1.6 times faster and 2.4 times more power efficient than Cortex.


Intel CPU的效能都唔多需要懷疑好過ARM, ARM出D更快的CPU時就變得功耗過大.

反之Intel憑著更先進的制程和增加唔同的power states來進一步降低功耗, 此消彼長之下, 難保一天Intel會追過來, 或已經追過來!

係電話上CPU的耗電比較下, Intel CPU平均只需0.85A, Samsung Exynos Octa由於使用另外的影像處理器, 實際耗電應比1.38A還要高!

For the CPU test, three phones scored in the 5000 range for performance, but of the three, Intel stood out with only 0.85A of average current vs. 1.38A for the Samsung Exynos Octa, and 1.79A for the Qualcomm APQ8064T.


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身為一個煙民..我當然希望INTEL 既用可以用係WP到 XD
而至WP8 出左之後.一直都有WP 未來將會用INTEL CPU 既可能

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如無記錯 Windows Phone 所有 app 都係 binary來,如要喺 x86 行一係要重新 compile 過哂,一係要加個 compatibility / emulation layer

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如無記錯 Windows Phone 所有 app 都係 binary來,如要喺 x86 行一係要重新 compile 過哂,一係要加個 comp ...
kli 發表於 2013-6-8 11:41


就算係重新compile過
如果個app寫果時都係冇用到x86專用既api/特性,
個app都一定唔會食盡x86效能

an機上intel u行app好極端, 有用x86 api就app就快到識飛, 冇就慢到嘔

我就估ms唔會用intel u, 反正quadcomm s800又唔差

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