果果發表史上最強的MAC - 3C

By Lauren
at 2020-11-11T14:41
at 2020-11-11T14:41
Table of Contents
看到有人回應我忍不住來說一下
不要一直x86 x86的說了啦(雖然我知道是業界習慣),
阿現在的處理器絕大多數是x86_64才對...
你要說也可以說成amd64,但是x86就.....
硬要說,x86是上個世紀的東西;
而純x64,intel當年是失敗的。
遙想當年amd64的成功,所以intel抄了過去做了個x86_64,
所以後來我們手上用的不論intel還是amd,
都是x86_64或稱amd64的存在。
你可能會反駁我:x86_64不過是x86的一個擴充版本而已!
那我要笑笑的回你,
其實蘋果的Mac OS在某個版本之後開始不支援32位元的軟硬體,而是以64位元為主了。
(是的,我被這東西坑過,所以我知道)
至於現在蘋果用的這顆處理器,是Arm v8裡面的AArch64,也就是俗稱arm64的版本。
(Arm v8有兩個版本)
也有人說,CISC跟RISC還是有道鴻溝....
我則是想笑笑的回你,
即便是RISC的Arm,也有人喜歡玩特化指令集,而且還是拿來說嘴的地步,然後跑過來笑
發哥什麼的不會另外做指令集....我們都可以對指令集做客製化....(笑)
這種違背RISC方針的存在怎麼可能發生?
但是就是發生了阿...
我則是覺得這是必然的結果,
就像某CPU大廠放棄他們曾經矜持的某些指令一樣....
就像號稱深管線的存在比起真正深的其實也還好,淺管線也未必真的很淺一樣.....
CPU的設計本來就是門學問,哪有什麼是一定的?
三十年前我跟你說L3快取的存在,你會把我當瘋子,CPU跟記憶體差不多快,做快取不是
北七嗎?
十幾年前我跟你說記憶體控制器大家都會包在CPU裡面,你會把我當白痴,CPU最大龍頭
還是做在CPU外面...
五年前我告訴你幾年後CPU會大躍進,你們只會說不可能,牙膏擠這麼久了一定差不多.
..
兩年前我告訴你筆電的CPU不管功耗跟效能都能打贏前一世代的對手高階CPU....
同樣拉到今天,Arm做成筆電行不行?當然有可能阿,
功耗就在那裡,你總有天也有瓶頸,
頻率低沒關係,我多放幾個晶片總會無限接近於你的效能....
※ 引述《dreamgirl (小糯米)》之銘言
: Mac全系列搭載M1 SOC,其中cpu快前一代3倍+,gpu快了5倍+。(不同型號散熱不同)
: 對比的是Best Selling CPU(??),號稱贏過了98%的PC,其他還有ML快了10+倍和
: SSD快了兩倍...
: #看起來扯但可能是多核跟i3-1000NG4跑在基頻1.1G的時候比~~
: 然而後者可以Turbo到3.2G,意思是M1的多核性能大該就略勝2C4T的intel低壓處理器
: 以文書來說應該也勉強堪用,不堪用是信仰不足(誤)
: 但以第一代產品來說,也算是超過期待的表現~~
: 規格:
: 16B電晶體(作為比較A14 11.8B)
: 世界首顆筆記型+桌上型5nm CPU@台積電
: 4大核4小核設計,大核號稱是世界最強cpu核心!(原文:World's fastest CPU core)
: https://imgur.com/fzrgoJJ
: 從能效圖的猜功耗甜蜜點在~10W
: https://imgur.com/bLvvqEZ
: gpu是8核心
: 另外還有ML核心
: 完整架構圖
: https://imgur.com/UpTViCi
: 果果宣稱因為該SOC的強大能力,因此即使模擬x86也比前一代intel快~~~
: 唯一的桌上型產品是Mac Mini
: 支持usb4、wifi6、hdmi2.0還有3.5mm耳機孔
: 其中USB4的Thunderbolt3最高支援6K@60Hz螢幕輸出(6K是什麼?)
: 只要699usd起,美國隨即開賣最快11/17就能拿到手XD~
: X86怕怕!!
: --------------------
: 台灣售價公告
: 8+256G版本 NTD 21900
: 8+512G版本 NTD 27900
----
Sent from BePTT on my SHARP FS8002
--
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