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 Thread : DDR400 or DDR500 for AMD
 
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I am thinking about getting this:

<A HREF="http://www.crucial.com/store/MPartspecs.Asp?mtbpoid=9B7BCEB4A5CA7304&WSMD=MS-6702+(K8T+Neo-FIS2R)&WSPN=CT12864Z40B" target="_new">DDR400</A>

or

<A HREF="http://www.crucial.com/ballistix/store/MPartspecs.Asp?mtbpoid=E6C12296A5CA7304&WSMD=MS-6702+(K8T+Neo-FIS2R)&WSPN=BL12864Z503" target="_new">DDR500</A>

I figure since the 939's (which I hope to migrate to in the next 6 months) has a 1000 Ghz, maybe pairing it up with the DDR500 might be better. In any event, I don't overclock, but I want something with a little more future potential to it. So my choice is one stick of either. Though there exists the possibility of 2 sticks of the regular Crucial DDR400 1 giggers.

What would you guys do?

K8T NeoFIS2R
Athlon 64bit 3400
2X256 Corsaire
Maxtor 40, 120
Western Digital Raptor 74 Gig
ATI AIW Radeon 9700 Pro
NEC LCD Monitor 1760NX
Antec Tru Power 550
Windows XP

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<A HREF="http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=2469" target="_new">1st read</A>

<A HREF="http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=2497" target="_new">2nd read</A>

Asus P4P800DX, P4C 2.6ghz@3.25ghz, 2X512 OCZ PC4000 3-4-4-8, MSI 6800Ultra stock, 2X30gig Raid0

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Ballistix PC3200&4000 are the same thing; I went with PC3200 because I'm cheap.

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Yes, but the SPD values are different, you have to manually set the Ballistix PC3200 to the slower values of the PC4000, 2.5-3-3-8, when you want PC4000 speed to be stable.

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When was the last time an overclocker used SPD?

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hell, a lot of these guys think they just need to increase the CPU voltage and sudenly everything will be clocked higher.

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LMAO, that's a good one!

Anywhoo back to work...

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1) PC4000 (DDR500) is not officially endorsed by Jedec (unless in the form of DDR2). Therefore no motherboard that I know of allows you to use DDR500 without overclocking.

2) Dual channel mode effectivly doubles the memory bandwidth and will give a far bigger perforance boost than PC4000 would.

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Quote :

2) Dual channel mode effectivly doubles the memory bandwidth and will give a far bigger perforance boost than PC4000 would.


Yeh, theoratically.

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then I should go fo the DDR500 if I ever wish to move to dual core. according to those articles anyway.

K8T NeoFIS2R
Athlon 64bit 3400
2X256 Corsaire
Maxtor 40, 120
Western Digital Raptor 74 Gig
ATI AIW Radeon 9700 Pro
NEC LCD Monitor 1760NX
Antec Tru Power 550
Windows XP

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Well a few % might be nice...
But as stated the ballistix is virtually the same in both flavors!

Asus P4P800DX, P4C 2.6ghz@3.25ghz, 2X512 OCZ PC4000 3-4-4-8, MSI 6800Ultra stock, 2X30gig Raid0

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DDR500 will only come in handy if you overclock a dual-core.

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He was reffering to the anad's article that shows the new memory dividers for DDR433/466/500 while not Ocing the CPU.

Around 5% in multitasking scenarios...Not much but better than nothing. I'd rather OC 1:1 anyhow!

Asus P4P800DX, P4C 2.6ghz@3.25ghz, 2X512 OCZ PC4000 3-4-4-8, MSI 6800Ultra stock, 2X30gig Raid0

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Look deeper into that article. [/wise crack]

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according to the article, it stated that with increasing numbers of dual cores (more than two) it is possible that this DDR500 could come into play.

In any event, I am buying two sticks of DDR400.

:)

K8T NeoFIS2R
Athlon 64bit 3400
2X256 Corsaire
Maxtor 40, 120
Western Digital Raptor 74 Gig
ATI AIW Radeon 9700 Pro
NEC LCD Monitor 1760NX
Antec Tru Power 550
Windows XP

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Wo! Hold on a second, are we suggesting that single channel DDR500 offers more performance than dual channel DDR400?

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