三星正式發佈Exynos 9820 - 手機討論

By Suhail Hany
at 2019-02-04T16:31
at 2019-02-04T16:31
Table of Contents
最新
Galaxy S10+ SM-G975F
http://browser.geekbench.com/v4/cpu/11913831
單核4472 多核10387
單核的 整數4147、浮點3822、記憶體還是爆量6636
2*M4大核 + 2*A75中核 + 4*A55核
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
對比 聯想Z5 Pro GT 的驍龍855
http://browser.geekbench.com/v4/cpu/11913831
單核3525 多核11301
大單核的 整數3876、浮點3349、記憶體3459
1*A76高頻大核 + 3*A76中核 + 4*A55核
=========================================================================
還有這台聯想 s855的 AndSPEC跑分出來
https://m.weibo.cn/detail/4335931697699055
980中核1.92G 21.05 1.12W
855中核2.42G 22.68 1.54W
IPC方面855中核落後980中核17%
能效方面855中核落後980中核32%
貼吧的一些討論
http://tieba.baidu.com/p/6025862814
twy_2000:我覺得聯想855調度就是高通調度
因為高通的qrd也是這樣的。
a站測qrd時也發現程序默認加載在中核上,然後才轉移到大核。這個轉換需要40ms。
那麼可以推測,如果一個任務不能保持40ms的滿載,那麼就很難滿足轉換條件,而沒
法遷移到大核上。
遊戲裡面這種情況很常見。
所以我認為聯想調度就是高通調度。
980是默認大核負載,大核負載過重時會切到中核。855則是默認中核負載,中核負載
過重時會切換到大核
起因
855和980遊戲幀率對比 超長討論串................................
選手m20p和z5progt
http://tieba.baidu.com/p/6025310086?pn=1
幾乎所有測的遊戲 s855的高頻大核都在睡覺 都是3中核在跑
除非最後放進冰箱裡
一個是飛行模式+1080p,一個是雙卡弱信號+2k屏,肯定是後者費電些。
冠軍全是RNG的: 我去原來是沒開性能模式,我說怎麼cpu調度差那麼多
所以菊花不開性能模式玩吃雞平手,打王者2幀「吊打」聯想
能說下結論嗎
yeiiow9: 980的m20p玩遊戲比855的聯想強,但畢竟聯想「調度垃圾」,電池也小。
需要等其他855旗艦來戰
yeiiow9: 回復 house純屬巧合 :幀數 波動華為都更好,沒毛病。
崩壞3 配置圖
跑的是狄拉克之海。沒玩過崩壞3不知道這個測的合不合適,朋友說這關挺吃性能的。
聯想2分多掉幀了。
等一下 聯想這垃圾好像連我不刪溫控的猴8都打不過
劍之心天: 華為的好像比較費電。
華為雙4g聯想飛行模式,當然費電啦。
mnt2000: 回復 劍之心天 :mali能效比不上安德魯,儘管這代7nm的G76有了很大提升
,但差距還是要正視的。不過目前看來差距有所縮小了。
快點過來補課: 聯想855垃圾 大家有什麼要補充的嗎
5539550: 聯想的大核全程陪跑
實在睡不著沒事幹又跑了個2k18,這次測試兩台手機都是飛行模式最低亮度,聯想
默認遊戲模式華為開啟性能模式加上冰箱冷凍讓手機跑出全部性能。
yeiiow9: 冰箱 哈哈,聯想大核終於動了
感覺855的大核是不是聯動功耗太高了啊?都不會去幹活?
xtchar: 溫度受不了,現在可以說是聯想散熱不行,遊戲30分鐘外部溫度52,53,
再開大核要爆炸。看2月三星的表現
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
還有一串 twy_2000討論
980性能模式中核1.9g跑分
http://tieba.baidu.com/p/6026522427
總結,這麼看海思的中核IPC比大核還要高,A76 L2緩存配512K對性能非常重要,還有
縮L3性能衰減幅度沒有那麼敏感。
聯想的855這個內存延遲比海思高這麼多 ,K980中核[email protected]內存延遲是163ns,
小核[email protected]內存延遲是170ns。除了內存延遲外,兩款SOC大核各級緩存延遲差
不多,各級緩存延遲有些許差距是頻率高低造成,以及更大的緩存延遲當然更大
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