[新聞] 蘋果AI為何限制iPhone 15 Pro以上機型?分析師曝關鍵在記憶體
看板iOS (蘋果iOS作業系統)作者dosiris (希望大家開心)時間1周前 (2024/06/14 10:44)推噓46(49推 3噓 72→)留言124則, 56人參與討論串1/5 (看更多)
【新聞標題】蘋果AI為何限制iPhone 15 Pro以上機型?分析師曝關鍵在記憶體
【新聞來源】
原網址:
https://3c.ltn.com.tw/news/58531
【新聞內容】
蘋果在2024 WWDC首次公布「 Apple Intelligence」個人智慧系統,並準備將其引入
iPhone、iPad和Mac,讓這些裝置都具備文字及圖片的AI生成能力,同時整合了ChatGPT。
該系統必須是iPhone 15 Pro系列以上機型才支援,顯示iPhone至少搭載A17 Pro晶片,而
對iPad、Mac的最低規格要求是M1晶片。
蘋果對Apple Intelligence的嚴格限制引起不少用戶的抱怨,分析師郭明錤表示,配備
A16晶片的iPhone 15、iPhone 15 Plus無法支援Apple Intelligence,但M1裝置可以,顯
示Apple Intelligence的硬體限制關鍵是「DRAM記憶體大小」,而不是運算能力(TOPS)
。
由於A16晶片的NPU性能為17兆次/秒,而 M1晶片的NPU性能為11兆次/秒,很明顯問題不
在算力,而是記憶體大小。目前iPhone 15系列僅Pro機型配置8GB記憶體,基本機型只有
6GB。
郭明錤指出, Apple Intelligence 會在裝置端上運行30億參數的大型語言模型,為了減
少語言模型佔用的空間,將部分數據壓縮成2位元和4位元的混合形式後,需要預留
0.7GB~1.5GB的記憶體進行運算,也就是說 Apple Intelligence 對記憶體的要求約為2GB
或更低。簡單來說,僅有6GB記憶體或更小記憶體的iPhone沒有多餘的空間來執行Apple
Intelligence。
【觀後心得】
其實對大多數用戶真正實用的基本AI功能,應該是中文輸入法的選字學習功能。而這個功能應該就不需要太高的記憶體要求吧。
鞥鞥鞥鞥
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※ 編輯: dosiris (61.230.46.142 臺灣), 06/14/2024 10:46:11
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