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Old 01-13-2009, 07:04 PM   #1
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Default Ddr, Gddr

What is the difference with each of these DDR, DDR2, DDR3, DDR4, GDDR etc....
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Old 01-13-2009, 07:09 PM   #2
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Default Re: Ddr, Gddr

DDR4 doesn't exist as far as I know. The difference between DDR and GDDR is that DDR is the memory that holds information while the CPU is using it...while GDDR does the same thing but for the GPU.
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Old 01-13-2009, 07:16 PM   #3
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Default Re: Ddr, Gddr

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Originally Posted by JogaBonito1502 View Post
DDR4 doesn't exist as far as I know. The difference between DDR and GDDR is that DDR is the memory that holds information while the CPU is using it...while GDDR does the same thing but for the GPU.
Ahh, i get it. What are the numbers after DDR though? 2 and 3?
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Old 01-13-2009, 07:35 PM   #4
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Default Re: Ddr, Gddr

Those are simply new technologies. The same way graphic cards get a new name when they've improved the technology, memory gets a number when they're improved. Unless the whole shebang has been redesigned, the name is kept.
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Old 01-13-2009, 07:57 PM   #5
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Default Re: Ddr, Gddr

Thanks
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Old 01-14-2009, 12:30 AM   #6
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Default Re: Ddr, Gddr

most commonly types used for GPUS atm re gddr3 and gddr5... havnt seen a gddr4.
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Old 01-14-2009, 12:48 AM   #7
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Default Re: Ddr, Gddr

DDR4 does exist in graphics cards.

http://www.hardwarezone.com/articles...?cid=3&id=2020

http://www.nordichardware.com/news,2236.html

http://www.interfacebus.com/Memory_M...DDR4_DIMM.html
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Old 01-14-2009, 02:03 AM   #8
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Default Re: Ddr, Gddr

My ati 2900 pro uses GDDR4
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Old 01-14-2009, 07:28 AM   #9
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Default Re: Ddr, Gddr

Bascially GDDR is for graphics cards, whilst just plain DDR is for RAM. The higher the number usually means better technology and can achieve higher speeds.

There it is, short and sweet.
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Old 01-14-2009, 12:54 PM   #10
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Default Re: Ddr, Gddr

DDR4 definitely exists!
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