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PCDVD數位科技討論區
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- - ATI HD5700系列新規格? 5770:800SP 5750:720SP 徹底推番之前說法
(https://www.pcdvd.com.tw/showthread.php?t=871715)
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ATI HD5700系列新規格? 5770:800SP 5750:720SP 徹底推番之前說法
AMD Radeon HD 5700 新規格...徹底推番之前說法
Several sites have published previews of AMD's HD 5700 series cards, and finally we managed to compile some specs for the new Junipers. Mind you, the cards still aren't official, and some numbers might be a bit off, but we doubt it. So, we're looking at GPUs clocked at 700MHz in the HD 5750 version and 850MHz in the HD 5770 (some sources still indicate 825MHz). The HD 5750 features 720 stream processors, while the HD 5770 has 800. Some early reports indicated that both the HD 5750 and the HD 5770 featured an identical memory clock, and as we suspected, they were wrong. The memory on HD 5750 cards is clocked at 1150MHz, and on HD 5770 cards it's 50MHz faster. Not really a major difference, but still worth noting. The HD 5750 will also be offered in 512MB version, but it seems the launch version will all feature 1024MB of GDDR5 memory. The launch date has been set for October 13th, although we wouldn't be surprised to see some retailers shipping cards a few days earlier. According to some early benches, the HD 5770 is almost as fast as the HD 4890 or Nvidia's GTX 260, and at just over ��130, it will cause some headaches for Nvidia. The HD 5750 should end up in the ��110 to ��120 range, but we still don't know much about its performance. http://www.fudzilla.com/content/view/15879/1/ |
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要贏過 5750...
g92b 至少要超到 gtx 260+ 的等級... G92b, 128 SP*X = 216 sp*1242 = 268272/128 = 2095.875 40nm 可能辦的到喔... 55nm 已經把 shader 推到 18xx mhz... 但是 rop/texture unit 可能要提升就是了, 還有 dx11 的線路也要做進去 畢竟, 中階卡以下並不需要GF100 那種變態的 cuda 效能... 128~192 sp 的規模應該是相去不遠 用較小的晶片, 以時脈提升效能... |
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另外，台灣報價 Msi 5750 = 4990 vs $109(約3499)-$129(約4141) 5770 = 5990 vs $159(5103) 好像台灣報價5750還是和5800系列台灣一開始報價一樣， 總是喜歡將同效能價錢往上報一級來賣 |
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黑價很簡單(拒買):laugh: |
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$159 HD5770 1GB 取代 $149 HD4870 1GB $129 HD5750 1GB 取代 $119 HD4850 1GB $109 HD5750 512MB 取代 $99 HD4850 512MB 照這種略高10美元的定價看來 應該是方便HD4800系列清庫存 不過好像還缺一個產品來取代$189 HD4890 1GB 之後可能還有HD5830或是HD5790之類的吧 |
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