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Too Early To Go Ddr3 ?


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#1 hikerdave

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Posted 04 September 2006 - 09:04 PM

I have been doing research to see if it might be a good time to build a new computer. I noticed that DDR3 video cards are being sold, but I am not seeing seeing any motherboards or memory modules that are DDR3 specific.

Is it too early to see DDR3 DIMMS and supporting motherboards? It looks like DDR3 memory just became commercially available this year? Why are they selling just DDR3 vido cards then?


Thanks,
Dave

Edited by hikerdave, 04 September 2006 - 09:09 PM.


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#2 protozero

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Posted 04 September 2006 - 09:34 PM

Actually, Ati's new card X1950 uses GDDR4 memory. Not completly sure why motherboards don't adopt them as fast. But my guess is that the GPU's on video cards require much faster memory to write and do complex geometry, shading ect. CPU's do more basic calculations.

It'd also be kind of annoying if you kept having to upgrade your memory every year to have a high end computer.
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#3 Mr Alpha

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Posted 05 September 2006 - 02:17 AM

They use GDDR3 on video card, not DDR3. It is not the same thing. GDDR3 is DDR2 optimized for use in graphics cards. The GDDR4 ATI just started using is based on DDR3, but graphics card need an order of magnitude more memory bandwidth than the CPU side. DDR2 is more than enough on the CPU side where memory bandwidth is not a problem nowadays.
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