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Dual DDR opinion needed

B

Breezie

Senior member
I have one stick of 512mb Kingston PC3200 HyperX right now.

My mobo has dual channel memory and I wanted to upgrade to 1gb of memory soon but noticed that my current memory is $129+ (when i got my stick it was only $89)

Best Buy has the PC4000 HyperX for under $125 bucks... I know it won't hit dual channel combined with my current PC3200 if I buy the PC4000, but will it be wiser to get the PC4000 because of price? will the higher frequency be faster then two PC3200's on dual channel? Or will it be about the same?
 
If it's intel, you can run the fast memory slower.
If it's AMD, it doesn't matter DCDDR doesn't help it much.
Click to expand...
Why? I thought ddr means its accessing and seeing 2 memory banks as one.

I have a 256 kingston hyperx 2.5v 434mhz 3200 bh-5 stick. Kingston stop production and replaced with ch-5.
I need a match. Was looking at Mushkin black stuff. Its guaranteed to be bh-5. Would that run ddr with my kingston bh-5? Im using amd on a DFI lanparty ultra board.
 
Dual Channel DDR performance difference in an AMD system is less than 5%.

So whether or not you get DCDDR doesn't really matter. It won't hurt anything if you don't get it, but it won't help that much of you do. The performance difference will be in the amount of memory, not how wide the bus is 😉 .

If it was an intel system, then you would be CRIPPLING the processors performance by only going single channel.

You can go ahead and buy the PC4000, it will just run at PC3200 speeds.
 
Breezie as the others posted you can easily do that. The only situation that may cause problems is if you're into overclocking and have the two different RAM speeds. It's always ideal to have the same speed and module but this is not to say you will even have problems if you're OCing to begin with.
 
hmm i do o/c too >_<

i got a msi neo2 and a p4 3.0 (800mhz fsb)

so by what you guys say, by having a pc3200 and a pc4000 hyper x in my computer, it'll be just like having two pc3200's NOT on dual channel?

does that cripple my performance by not having dual?


----

one more question...what's the difference between hynix and winbond because my pc3200 is winbond and the pc4000 is hynix~
 
NO the pc-4000 will only run as fast as the slowest module. You can't run one at pc-3200 speed and the other at pc-4000. So the PC-4000 will be run at the same setting as the pc-3200. It'll still be dual channel if they're in the right slots. DDR memory and dual channel are separate things. DDR sends data on the clock rise and fall. Hence dual data ram
 
The performance difference will be in the amount of memory,
Click to expand...

So for AMD, the more the merrier?.. like if I had 2x256 ddr, then came across another 256. adding it to the system would be best? ie. 512 ddr mode, vs. 3x256=768
 
Originally posted by: blazerazor
The performance difference will be in the amount of memory,
Click to expand...

So for AMD, the more the merrier?.. like if I had 2x256 ddr, then came across another 256. adding it to the system would be best? ie. 512 ddr mode, vs. 3x256=768
Click to expand...


Again, DDR and Dual Channel are not the same thing. What you mean is 512MB Dual Channel vs. 786MB Single Channel (there are both DDR). Anyway, you pose an interesting question. I would image that the answer to that would depend on the specific application.
 
I am very curious about that as well. I would like to know which is better as well...512 Dual Channel for 768 Single
 
Originally posted by: Ardan
I am very curious about that as well. I would like to know which is better as well...512 Dual Channel for 768 Single
Click to expand...
If you check your owner's manual on an nForce2 board, you'll see that you can run two or three modules and retain dual-channel operation. I run 1.5GB of Corsair PC3200 in dual-channel mode and like it very much, since I can host our entire Office2000Pro SP3+ Administrative Installation Point in RAM (this being my work rig, with both workstation and server roles). 768MB may mean better map-loading times in your favorite games, for starters 🙂


edit for completeness: remember that the nForce2 400 chipset is single-channel. The above applies to nForce2 SPP, nForce2 IGP, and nForce2 Ultra400.
 
Well I have the Abit NF7-S Revision 2 board so I am definitely interested. I did read the manual when I bought the board in July but must have missed that! i'll go look and see...this would indeed be very nice.
 
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