M1芯片成功進駐蘋果全家桶,庫克的5G夢圓滿了

{"type":"doc","content":[{"type":"blockquote","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"或許,我們都低估了 M1 芯片的意義。"}]}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"M1 芯片成蘋果春季新品發佈會焦點"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"4 月 21 日凌晨,被譽爲“科技春晚”的蘋果新品發佈會正式開幕。本次發佈會上,蘋果發佈了全新設計的 24 寸 iMac、支持 5 G 的 iPad Pro、物品追蹤器 AirTag、支持杜比視界的 Apple TV 4K、紫色 iPhone 12\/12 mini。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"作爲蘋果今年第一場發佈會,硬件自然備受外界關注,但硬件背後的功勳——M1 芯片也引起了極大的討論。據瞭解,蘋果此次發佈的新品 iMac、iPad Pro 均搭載自研 M1 芯片,這標誌着 M1 芯片陣營除 MacBook 外再次擴充,軟硬件“生態大一統”時代也加速到來。"}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"有 M1 加持,iMac 更安靜了"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"在 M1 芯片的加持下,新款 iMac 性能得到了全面提升。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"據蘋果方面介紹,M1 芯片加上蘋果桌面操作系統 macOS Big Sur,使 iMac 相比標配的 21.5 英寸 iMac 機型,"},{"type":"text","marks":[{"type":"strong"}],"text":"中央處理器速度提升最高達 85%,圖形處理速度最高提升至 2 倍"},{"type":"text","text":"。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"畫質方面,M1 芯片的圖像信號處理器會運用計算視頻技術來提升畫質,並以超過每秒一萬億次的速度,對每個像素進行一系列分析和優化處理。另外,圖像信號處理器還與 M1 芯片的神經網絡引擎協作,更智能地調整曝光和白平衡。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"外觀方面,M1 芯片將中央處理器、圖形處理器、內存等全部整合在一塊芯片上,這種高度集成的設計,讓 iMac 有了纖薄緊湊的機身,"},{"type":"text","marks":[{"type":"strong"}],"text":"總體積比上代 iMac 減少了50%"},{"type":"text","text":"。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"值得一提的是,由於採用了 M1 芯片,iMac 的風扇等元器件變小,蘋果公司表示,這使得新款 iMac 比以前的機型"},{"type":"text","marks":[{"type":"strong"}],"text":"安靜了 50%"},{"type":"text","text":",常規運行時噪音不足 10 分貝。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"系統方面,M1 配合 macOS BigSur 可以讓新 iMac 也兼容越來越多的 App,用戶可以直接在 iMac 上運行很多常用的 iPhone 和 iPad app,同時在和 iPhone、iPad 的協作性能上更加穩定。"}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"支持 5 G 網絡的 iPad Pro"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"作爲本場發佈會的壓軸產品,iPad Pro 在 M1 芯片的加持下,性能也得到了進一步提升。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"蘋果方面稱,搭載 M1 芯片的 iPad Pro 速度刷新 iPad 的紀錄。它能充分利用新生代處理器性能和衆多獨到技術,比如 M1 先進的圖像信號處理器、統一內存架構等。藉助 M1 芯片更強大的圖像信號處理器,iPad Pro 現在還支持智能 HDR 3。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"M1 還使得 iPad Pro 性能與圖形處理雙雙提速。M1 芯片擁有 8 核中央處理器,相較於上一代產品,"},{"type":"text","marks":[{"type":"strong"}],"text":"性能提升最高達 50%"},{"type":"text","text":";它的 8 核圖形處理器還爲 iPad Pro 帶來最高達 40% 的圖形性能提升。通過 M1 芯片的加持,蘋果方面稱,相比初代 iPad 的圖形性能,如今已經飛躍 1500 倍。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"值得一提的是,新款 iPad Pro 還支持 5G 網絡,這也是 5G 首次出現在 iPad 產品線上。蘋果官方數據顯示,理想下載速度可達 3.5Gbps,在美國新款 iPad Pro 支持毫米波,下載速度可達 4Gbps。"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"M1 芯片有多強?"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"M1 是蘋果首款自研芯片,於 2020 年年底正式對外發布,並首次加持在 Mac 上。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"雖然早在 2020 年 6 月的 WWDC 大會上,蘋果就已經宣佈將發佈採用自研芯片的新一代 Macbook 系列產品,但彼時並沒有透露過多的細節。直到 2020 年 11 月 11 日,隨着一系列新產品的亮相,蘋果 M1 芯片的詳細參數和性能表現也走到臺前。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"蘋果方面表示,M1 芯片搭載了許多世界頂級工藝的產品,包括世界上最快的 CPU 內核、最快的 IGPU。“蘋果花了十幾年的時間來創造和優化 Apple 芯片,因爲芯片是 iPhone、iPad 和 Apple Watch 的核心。現在我們希望將其引入 Mac,因此 Mac 可以憑藉令人難以置信的性能、自定義技術和行業領先的芯片來實現巨大的飛躍。”"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"蘋果公司認爲,M1 是迄今爲止性能最高的芯片,並且低功耗高效內核可提供與當前基於英特爾的雙核 MacBook Air 相似的性能。當然,高性能內核要快得多。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"遵循長期以來生產 Arm 芯片的標準,CPU 由四個大內核和四個小內核組成。大內核共享 12MB 的 L2 緩存,小內核共享 4MB 的 L2。兩種內核共同工作時,當限於 10W TDP 時,它們的速度是“最新 PC 筆記本電腦芯片”的兩倍,並且如果散熱足夠好,它們的運行速度甚至會更快。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"在 GPU 方面,M1 將具有多達八個內核和 128 個執行單元。它能夠處理多達 24576 個併發線程,且峯值性能爲 2.6 teraflops。蘋果公司認爲,這將使 Mac 擁有全世界筆記本電腦中最快的集成圖形體驗。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"值得注意的是,M1 的 16 核神經網絡引擎,每秒可以完成 11 萬億次運算,機器學習性能大幅提升。機器上還有先進的媒體編碼\/解碼引擎以及圖像信號處理器。蘋果的 Secure Enclave 也嵌入到芯片組中,不需要單獨的 T2 芯片。與大多數非英特爾平臺不同的是,新的芯片組支持 Thunderbolt,因此蘋果用戶將能夠繼續使用快速的外部存儲和其他配件。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"半年之內,M1 芯片已用在 MacBook、iMac、iPad Pro 多款產品上。隨着 M1 芯片成爲蘋果產品線的標配,蘋果生態內硬件性能得到進一步提升,軟件生態維度也得以擴充。未來,M1 芯片或許還將爲蘋果生態帶來更多想象空間。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"參考鏈接:"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"https:\/\/www.infoq.cn\/article\/57asBCrBGEB1ebhfgcdb"}]}]}
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