[情報] AnandTech 深入研究三星Galaxy Note4已回收
http://www.anandtech.com/show/8718/the-samsung-galaxy-note-4-exynos-review
三星的Note4有兩種版本 高通S805,跟三星自家獵戶座5433,一起測試性能與續航
AnandTech另外還一起探討了獵戶座5430跟5433的比較,這邊從三星自家20nm製程
大小核架構之下 -->大核A57 vs A15,小核A53 vs A7 之間性能
方面來討論性能提升%與電力消耗比之類
原文實在是太長,太多英文跟專有名詞了....應該會吃力
所以要看中文的請參考對岸的簡體翻譯,已經翻完了 (當然有些對岸諷刺用語)
http://tieba.baidu.com/p/3584108087
從文裡面的大概截取了自己想知道的結論
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三星目前對Note4 (獵戶座5433版)更新的 Android 5.0 系統核心依然是32位元..
沒有ARMv8核心 .... ...
三星的28nm HKMG 比臺積電的28nm費電很多,而臺積電的28nm HPM製程
與三星的20nm製程,功耗幾乎相差無幾 ....
A53同比A7性能,有著顯著的提升,但是功耗也相對增加了
A57比較A15,提升不算很多細項之間 有著1X%~2X%左右
三星玩了ARM A15架構3代了,5430的A15確有優化,功耗已經降到高通Krait的水平
可惜未來主流是64位元了。
因為沒有軟件能固定衡量能效比,所以作者藉由幾項測試來計算日常使用耗電情況
三星的5430能效比還比5433高4%,可能是三星才玩A57不久吧..
另外三星的大小核GTS超頻值制機制太老舊14個月沒更新 管理電源機制很糟糕 XD
而ARM的大小核 HMP機制也是卡著股東利益一直討論變動,還是沒新版
測試ARM自己的GPU Mail-T760時候,比T628優化了不少
還發現ARM更新驅動後 居然可以優化不少,作者認為老機器更新驅動應該也能提升
5433版本的CPU方面贏高通S805,GPU還是高通Adreno 420強
更新到Android5.0的 Nexus5和6 UI和API都比Note4強
續航方面 高通與三星自家總體來說,差不多 對三星管理電源軟體失望 XD
=============================================================================
作者在上面提過5430和5433的軟件層上的電源管理有多爛,使用了一個相當古老的GTS版
本控制大小核切換。
寫這篇文章直到最後發表的這段時間裡,作者嘗試了確認這一點,並且通過使用了
一堆更新來提升電源的效率。我將來想寫個文章更詳細的說說用戶可以怎麼優化設備
的固件。特別是在關於移動領域的超頻與降壓..
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