現在手機拍照的HDR真強大 - 手機討論

By Daph Bay
at 2020-05-17T13:28
at 2020-05-17T13:28
Table of Contents
※ 引述《direct (【強迫練鐵頭功】)》之銘言
: 我覺得懂相機的,不知道現在手機進步的多快,人手一隻,銷量大,競爭激烈,擠牙
膏的
: 廠都要下去,大家都要最強的產品。
: 2017 驍龍835 4K 30FPS HDR
: 2018 驍龍845 4K 60FPS HDR
: 2019 驍龍855 4K 60FPS HDR+AI辨識追焦
: 2020 驍龍865 8K 4K120FPS
: 號稱用好幾年的2017 Iphone8,到現在要經歷上面這些進化,雖然東西沒壞,但新產
品感
: 受已完全不同。
: 市場就是王道,有錢就能挖人,僱用頂尖設計人員,手機晶片這兩年改用獨立設計的
ISP
: ,早不用CPU+GPU硬幹了,單論處理能力跟相機根本一樣!
一樣?
那麼讓我們來看看eos r5的錄影規格
https://i.imgur.com/2BuBR8S.jpg

數字上看起來好像一樣啦,
只不過手機只能錄8K30SDR/4K120SDR,
SDR和HDR實際運算量差了一倍,
所以2020年的手機isp只有同年相機isp「頂多」一半的運算性能。
順帶一提,
s865的isp號稱每秒能夠處理20億像素,
是每個clock cycle平行處理4個像素才能達到的數據,
所以沒有平行運算的情況下只是顆每秒處理5億像素的isp,
而10年前的相機isp不靠平行運算就有每秒處理6億像素的能力。
不是說手機沒有進步,
但手機的硬體從來就沒有強到能挑戰相機的硬體。
無論是散熱空間還是功耗限制都不是同一個水準的,
所以真的不要再說什麼手機soc還是isp屌打相機isp,
真的屌打的話手機廠早就拿來行銷了。
--
Tags:
手機
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