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Asus P5N32-SLi : XMS2 6400C3 or 8500C5


Flanno

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Running an Asus P5N32-Sli with an Intel 965 3.73EE at 1066fsb.

 

Which would offer better performance ? Both are compatible with my board according to the configurator.

 

Corsair 2GB DDR2 XMS2-8500C5 TwinX 5,5,5,15, 1066mhz

Corsair 2GB DDR2 XMS2-6400C3 TwinX 3,4,3,9, 800mhz

 

I wonder does the 6400C3 have the capability of reaching close to 1066mhz with looser timings ? I also wonder does latency really effect Intel cpu's or is it all about fsb ?

 

Going to purchase tommorrow so need to find out which to go for.

 

Thanks

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I would suggest our Corsair 2GB DDR2 XMS2-6400C3 Twin2x 3,4,3,9, 800mhz!

We use the same IC to build both parts, but I doubt the XM2S-8500 will run tight timings. And XM2S-6400C3 is dominating all of the bench marks right now; the record in 3D Mark 2005 is with our XM2S-6400C3 modules installed.

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Thanks for the info. 6400C3 it is then.

Just wondering though - because the 8500C5 would be running at 1066mhz and in sync with my cpu's fsb, even at 5,5,5,15 - would that not give better memory throughput then the 6400C3 which would be running at tighter timings but at over 200mhz less ? Just curious.

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Went with your advice and ordered the 6400C3. Should be here on Tuesday. Can't wait :)

 

Can you tell me what the recommended memory voltage is with my board ?

 

On another note, one other strange thing I have seen on this board with Corsair value PC5300 memory is that the bios reports 667mhz as expected, but CPU-Z reports the memory running at 166mhz. I would have expected it to be 333mhz since it is dual channel. But the benchmarks in Sandra seem to be fine.

 

Thanks

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