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Technology Stocks : Advanced Micro Devices - Moderated (AMD) -- Ignore unavailable to you. Want to Upgrade?

To: Joe NYC who wrote (199806)	6/1/2006 12:16:16 PM
From: pgerassi	Read Replies (1) \| Respond to of 275872

Dear Joe: HD signal is only 19.2Mb/s or 2.4MB/s although there is a double data rate version but thats only 4.8MB/s. Decoding that only needs 1920x1080x24 at 30 FPS or 1280x720x24 at 60FPS. That is only 180MB/s. A link of 4MB/s could do over 20 HD channels simultaneously. A 3D GUI like Vista does not need that much more of bandwidth. Most of the BW requirements are taken by multisampling for AA followed by texturing. Neither of which is done much for a 3D GUI. With a internal cache of 4-12MB, HD decoding and Vista rendering can be done completely in cache. Pete