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The Truth about i7 (1366) memory, both dual channel vs tri channel - Page 2

post #11 of 42
Thread Starter 
Quote:
Originally Posted by DevilGear44 View Post
...So assuming you don't need 12GB of RAM, or 2+ GPUs, what is the point of a 1366-based Core i7 system vs. an 1156 one?
That is about it really. It is the tri channel (not as important) and x16 to multiple video cards that benefit the 1366 socket, and of course the 6-core Gulftown CPUs coming out for the 1366 socket.
Edited by ericeod - 3/3/10 at 4:47pm
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post #12 of 42
Quote:
Originally Posted by ericeod View Post
That is about it really. It is the tri channel (not as important) and x16 to multiple video cards that benefit the 1366 socket, and of course the 6-core Gulftown CPUs coming out for the 1366 socket.
Do you think that DDR3 could perform beter paired with Gulftown?
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post #13 of 42
Good information.
    
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post #14 of 42
Thread Starter 
Quote:
Originally Posted by Rocker delMaL View Post
Do you think that DDR3 could perform beter paired with Gulftown?
That I could not tell you. I think we will see a lot of testing on this new core very soon though.
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post #15 of 42
When I first built my i7 system 14 months ago, I immediately noticed that dual-channel was barely slower than tripple, and that a single stick of DDR3-1600 was still faster than dual-channel on my previous P45 + Yorkfield setup.

Quote:
Originally Posted by ericeod View Post
Yes the 1366 CPU does support dual and tri channel via the QuickPath Interface (QPI) link and the on-board memory controller.
A small correction is needed here.

QPI and memory traffic are completely separate.

Quote:
Originally Posted by Rocker delMaL View Post
Do you think that DDR3 could perform beter paired with Gulftown?
The memory/memory controller itself isn't likely to perform any differently, but six cores, when actually used, will obviously be more memory bandwidth dependent than four.
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post #16 of 42
Thread Starter 
Yeah the single, dual and triple channel is not as different performance wise as people think.
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post #17 of 42
nice thread. i'm glad i found this, as i am contemplating 1156 or 1366. so that sums up the memory factor. how does the pci x lane affect in the real world?
post #18 of 42
Quote:
Originally Posted by d-block View Post
nice thread. i'm glad i found this, as i am contemplating 1156 or 1366. so that sums up the memory factor. how does the pci x lane affect in the real world?
not noticeable unless you want a 3rd video card on a p55 setup
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post #19 of 42
nice + rep

does that mean i could use duel channel eg. 2x2GB corsair XMS3 DDR3 on a X58 based mobo?
post #20 of 42
Thread Starter 
Quote:
Originally Posted by Mr.Pie View Post
nice + rep

does that mean i could use duel channel eg. 2x2GB corsair XMS3 DDR3 on a X58 based mobo?
Yes, most definitely!
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