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What is DDR3?

post #1 of 11
Thread Starter 
ok so the AM3 is coming out in a year or so as will the DDR3. What is DDR3? what kinda speed will we be able to see comming out of it? If some video cards are already at DDR4 then why are we still back at 2 for RAM?
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post #2 of 11
Mainly because cards only use like 256 or 512 mb of really fast ram, and power users would need at least a Gig of ram, which if it's ddr3 or ddr4 will cost like $1000. Also, I don't think the GDDR and DDR technologies are identical, so they aren't directly related.
    
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post #3 of 11
DDR3 and DDR4 are ultra fast access , and are suitable as a type of cache ram for the GPU to use locally.

The current Bus speeds and widths of the actually system bus is far far too slow to take advantage of it. Notice some GPU's are 256-Bit datastreams? thats local to the DDR Cache.

System Bus and CPU's have a ways to go yet before DDR3 and 4 are viable.
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post #4 of 11
Correct.

gddr4 is Graphics oriented

our current ddr2 runs pretty fast, but ddr3 SHOULD run around 1500mhz (1.5ghz) normally, and about 1800 oc'ed pretty well with HIGH quality ram.

bandwidth is gonna be insanely high. almost twice the speed of what we have now
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post #5 of 11
DDR3 is coming out...
Mainly because..
DDR2 was meant to be a lot lower voltage (And this was one of the main selling points) then it's little brother..
But the high rated Drams from what i've heard on the DDR2 is the same as The DDR, which is ... pointless?
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post #6 of 11
Thread Starter 
ok, well in that case I want a 1gig of L1 cashe in my processor... just get rid of ram all togeather


oh i cant wait til ddr3 comes out!!!
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post #7 of 11
Dang, all this talk about ddr3, I am still old school with DDR , sounds preatty cool, can't wait to see when there is ddr4 on gpu's, mines still got DDR also haha I am well outdated, but oveclocking has been my friend with getting a little more performance out of my card. Just one thing, what does the "G" stand for in GDDR3?

Jacob
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post #8 of 11
Quote:
Originally Posted by rcdriver0604 View Post
Dang, all this talk about ddr3, I am still old school with DDR , sounds preatty cool, can't wait to see when there is ddr4 on gpu's, mines still got DDR also haha I am well outdated, but oveclocking has been my friend with getting a little more performance out of my card. Just one thing, what does the "G" stand for in GDDR3?

Jacob

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post #9 of 11
Quote:
Originally Posted by rcdriver0604 View Post
Dang, all this talk about ddr3, I am still old school with DDR , sounds preatty cool, can't wait to see when there is ddr4 on gpu's, mines still got DDR also haha I am well outdated, but oveclocking has been my friend with getting a little more performance out of my card. Just one thing, what does the "G" stand for in GDDR3?

Jacob
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There already is GDDR4 on a gpu. The X1950XTX. I think the X1950XT has it too..
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post #10 of 11
^^Just the XTX and doesnt the 8800 series have it?

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