2x512 vs. 4x256

[koger]

Hi

What gives the best performance 4x256 PC4000 or 2x512 PC4000. Or is it almost the same?
My motherboard is the MSI K8N neo platinium

Is there any difference 2 x (Corsair XMS 1 x 256 MB) and (Corsair XMS 2 x 256 MB)?

 

[Oxides]

Dont those amd cpus force the memory to run at 333 instead of 400 if you have 4 sticks, or 2 double sided sticks?

 

[ahurtt]

I have 2 double sided 512 sticks and they are running at 200MHz DDR (400)

 

[ribbon13]

some of the older 130nm A64's did, not the new ones.

 

[TJmoney]

I'd go with 2x512. Even some nforce4 boards will only allow memory to run at 333 if there are 4 sticks I have heard, and also at a 2T command rate, which also hurts preformance. I can't think of a reason not to run just 2 sticks, as 4 will provide no extra bandwidth and may cause problems.

 

[FastEddie]

4x256mb is going to automatically set your command rate to 2T. It's not the motherboard, but the A64 onboard memory controller.