5nm產能不足,消息稱AMD RDNA3將改用6nm - 3C
By Christine
at 2021-06-16T00:02
at 2021-06-16T00:02
Table of Contents
2022年AMD兩大重大產品除了5nm Zen4之外,還有下一代的RDNA3架構顯示卡
有望用上Chiplets小晶片封裝,規模比現在的RDNA2翻倍
同時能效提升50%,在性能上可以正面挑戰NVIDIA下代顯示卡。
按照之前的規劃RDNA3應該是用上5nm的,但是這事有點問題,最新消息稱台積電的5nm產
能吃緊
明年可能沒有這麼多的量給AMD,而AMD顯然會優先用於5nm Zen4處理器,RDNA3有可能改
用6nm
雖然看上去跟5nm只差1點,但台積電的6nm實際上是7nm的改進版,設計上是相容的
密度提升了18%,功耗降低8%左右,性能幾乎沒什麼提升。
由此來看如果使用6nm,那麼RDNA3架構的GPU在性能及能效上的提升可能沒有預期的那麼
大
不過有一點RDNA3幾乎可以確定會用小晶片設計,提升性能及能效不只是看製程了
用6nm的影響可能會有所減少。考慮到近期有多款6nm的AMD Zen3+處理器曝光
看樣子AMD確實是有計劃使用6nm。
https://i.imgur.com/uyiDDBI.png
來源 https://news.mydrivers.com/1/763/763428.htm
XF 編譯 https://www.xfastest.com/thread-251496-1-1.html
A卡 看看就好 吹水 居多
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