台積電被冤?GTX680爆設計缺陷良率低 - 顯卡
By Jessica
at 2012-05-05T18:48
at 2012-05-05T18:48
Table of Contents
[link] http://www.xfastest.com/thread-75941-1-1.html
據稱,開普勒GK104核心的良品率並不是台積電晶圓的問題
而是出在這個核心本身上,而且據說問題還不小
GK104 GeForce GTX 680已經出貨了一個月左右的時間
但在市面上依然不容易尋覓得到
消息人士稱,GTX 680的首批全球出貨量還不到1000塊
迄今為止也未超過10000塊
相比之下,AMD Tahiti Radeon HD 7900第一批就出貨了1000多塊
發佈前還出貨了第二批,推出後規模更大
據此看來,AMD似乎沒有碰到良率和產能干擾,對台積電表示滿意也在情理之中
SemiAccurate確認說,GK104核心存在設計問題,但具體細節暫時不明
而另一個消息來源又確認說,NVIDIA正在準備重做GK104核心的光掩膜(mask)
果真如此的話無疑會很糟糕
那意味著NVIDIA要花大概兩個季度才能獲得足夠好的良品率
這樣算下去,就算NVIDIA馬上動手重做
GTX 680要想源源不斷地到貨也得第三季度了
或許,到時候我們將看到改進版的GK114?
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By Ingrid
at 2012-05-08T19:40
at 2012-05-08T19:40
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at 2012-05-13T11:20
at 2012-05-13T11:20
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at 2012-05-17T09:45
at 2012-05-17T09:45
By Regina
at 2012-05-21T09:48
at 2012-05-21T09:48
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at 2012-05-23T17:07
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at 2012-05-27T09:32
at 2012-05-27T09:32
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at 2012-05-30T22:19
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at 2012-06-01T05:35
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at 2012-06-02T06:18
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