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DDR3 1:1 Ration Question..

post #1 of 10
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Hey fellas.. just a little confused about DDR3.. Basically. if i were to run a 400mhz FSB (1600mhz effectively) would i be able to run a 1600mhz ram kit at a 1:1 ratio with it??
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Teh Rape
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post #2 of 10
Okay, I found this, and microman was right.

"The primary benefit of DDR3 is the ability to run its I/O bus at four times the speed of the memory cells it contains"

so yes. It's 400 x 4 = 1600 DDR3 RAM
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Vegeta 2.0
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post #3 of 10
Quote:
Originally Posted by Crazy geezer View Post
Hey fellas.. just a little confused about DDR3.. Basically. if i were to run a 400mhz FSB (1600mhz effectively) would i be able to run a 1600mhz ram kit at a 1:1 ratio with it??
Well i run mine at 1600 linked and synced and it runs great so yea.
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post #4 of 10
400 MHz FSB w/ DDR3-1600 is 1:2.

1:1 would be 400 MHz FSB w/ DDR3-800.
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ense7en
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post #5 of 10
DDR3 is meant for 1:2 ratios and greater. Using it with a 1:1 ratio would be a total waste.
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post #6 of 10
The advantage of DDR3 would be to run 1600Mhz in Single Channel and still get enough bandwidth to feed the CPU =)
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post #7 of 10
Quote:
Originally Posted by Blameless View Post
DDR3 is meant for 1:2 ratios and greater. Using it with a 1:1 ratio would be a total waste.
I agree, but just pointing out that 1:1 isn't what he though it was.
ense7en
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ense7en
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post #8 of 10
Quote:
Originally Posted by Blameless View Post
DDR3 is meant for 1:2 ratios and greater. Using it with a 1:1 ratio would be a total waste.
How the hell would you run it at 1:2 with a 400MHz FSB? Run it at 2400MHz? I don't think theres any DDR3 that fast yet.
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post #9 of 10
1:2 with a 400MHz FSB is DDR3-1600.

Quote:
Originally Posted by -n7- View Post
I agree, but just pointing out that 1:1 isn't what he though it was.
Seems people are still having trouble.
Edited by Blameless - 6/27/08 at 2:33am
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post #10 of 10
Eh, i spent two days arguing with n00bs who can't figure out simple math in AT about this same damn thing.
http://forums.anandtech.com/messagev...&keyword1=ddr3

Pretty funny actually, especially considering i sucked at math.

But RAM ratios are all about fractions...pretty simple stuff, at least to me.

It seems that people get incredibly confused once anything other than 1:1 gets discussed though...or in this case, getting confused about what 1:1 actually is.
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