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Technology Stocks : Intel Corporation (INTC)

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To: rudedog who wrote (138472)	7/1/2001 8:22:07 PM
From: pgerassi	Read Replies (3) of 186894

Dear Rudedog: Why do you think you need 64/66 PCI? The highest video resolution 720x480 at 24 bits at 30 fps is only 32MB/sec. There are no DV cameras or even analog capture boards above this in resolution unless you are talking HDTV gear. Even with MJPEG (typical for edittable HDTV digital video feeds), HDTV at 1920x1080 at 60 fps is less than 72 MB/sec. This is below the 133 MB/sec of PCI. 64/33 PCI doubles that to 266 MB/sec. Memory bandwidth is the determinant for most video editting. Each frame is a JPEG image. These are normally strung together to get a finished product. For effects like blending and 3D window insertion, requires each source image to be decoded, all the effects done, and the resulting image encoded back into a JPEG frame. Dual P3s do not work much faster in this type of application over a single one. Much better scaling is a dual Athlon MP. Each CPU has a bigger pipe to memory than the shared bus of a P3. The power supply used is available for $130. Add in a motherboard ($400), twin 1.2 MPs, twin HSFs, and 4 PC2100 ECC 512 MB DIMMs and you get about $2250. Far less than a dual 1.7 P4 Xeon with 2GB RDRAM, HSFs, MB, and PS. Either will be much faster than your twin P3. Monarch Computers sells a complete system with 1GB of PC2100 ECC dual 1.2 MP plus dual 36GB 10k SCSI160 disk for $3200 in a rackmount case. All you would need then is another pair of 512 PC2100 ECC DIMMs ($600). Probably a single 1.4 Tbird in a 760 MB with 2 GB of PC2100 ECC DDR would outrun a twin 1G P3 in video editting apps. But given the price difference between 2 1024MB ECC PC2100 and 4 512MB ECC PC2100, you can get the Dual Athlon MP MB with money back going with the later option. Pete

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