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Dual channel memory question... again...

P

Pastore

Diamond Member
If you don't have a Venice or San Diego core, 1GBx2 would be desirable, since Clawhammer/Newcastle/Winchester core processor can't run 4 sticks of RAM at 400mhz like it's supposed to. It automatically downclocks them to 333mhz.
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Is this quote true? Right now I've got the WinFast NF4UK8AA motherboard with 2x512MB Corsair XMS running in dual channel mode, and a AMD Athlon 64 3000+ Winchester. If I get 2 more sticks of this exact same stuff, it will take it all down to 333MHz? Even if it does, will I still see a big performance increase in gaming and office applications by using the 4x512 sticks?

Any info is appreciated, thanks.
 
Yes, thats correct. By default any core before san diego/venice takes the memory speed down to 333mhz 2T timings, although on most boards you can raise it to 400mhz 2T. The Venice's and San Diego's default 4 sticks to 400mhz, but its still at 2T.
 
So what kind of performance increase can I expect from going from 2x512 @ 400MHz to 4x512 @ 333MHz? And when you say, "most boards you can raise it to 400MHz", are you referring to overclocking? Do you think this ram will handle the overclocking?
 
I'm not sure what the performance difference will be. Probably won't be enormous though.

What I mean by "most boards you can raise it to 400MHz" is with most motherboards, you can go into teh bios and manually set the ram speed to 400mhz. It's not overclocking the ram, it's just setting the ram back to its default speeds.
 
Going to 4x512 @ 333 2T would likely take a performance hit over 2x512 @ 400 1T in most applications. The small advantage you'll see from the extra RAM would be negated by the lowered clock speed.
Now I agree that most likely you will be able to put the speed back to 400, so you'd be OK there.
But to be safe, I would suggest 2x1 GB sticks if you really want 2 GB's RAM.
 
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