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Ram - 7/29/2005 7:42:09 AM

ak12

Posts: 20
Joined: 12/23/2004
Status: offline

Hi,
I would like to know if there's a difference in peformance between the following:
-Placing two 256 MB RAM in 2 slots
-Placing one 512 MB RAM in one slot and leaving the other empty.
Thanks.

Post #: 1

RE: Ram - 7/29/2005 5:00:34 PM

Iggy

Posts: 3349
Joined: 7/22/2004
From: Jupiter
Status: offline

If your motherboard supports dual mode, then 2X256MB will be faster twice than a single 512MB.

(in reply to ak12)

Post #: 2

RE: Ram - 8/2/2005 8:25:55 PM

1988Camaro

Posts: 6
Joined: 8/2/2005
From: Upstate New York
Status: offline

quote:

then 2X256MB will be faster twice than a single 512MB

i was under the impression that fewer memory sticks usually provided the opitmal performance, assuming that the amount of RAM is the same...most tech articles that I've read have tended to suggest that as well

(in reply to Iggy)

Post #: 3

RE: Ram - 8/2/2005 9:28:31 PM

MP3Mogul

Posts: 5448
Joined: 4/11/2002
From: Retired Moderator
Status: offline

Might want to go back and "reread" the articles, because Iggy is 100% Correct!

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(in reply to 1988Camaro)

Post #: 4

RE: Ram - 8/3/2005 1:32:29 AM

Iggy

Posts: 3349
Joined: 7/22/2004
From: Jupiter
Status: offline

"Dual Channel" makes the difference, as soon as your board support this feature.

(in reply to MP3Mogul)

Post #: 5

RE: Ram - 8/7/2005 4:54:06 PM

Matthew

Posts: 805
Joined: 1/2/2002
From: United Kingdom
Status: offline

Both statements are true....

For Dual channel, ONE PAIR is usually the optimum - if the memory is "double sided", presenting as two banks, then using TWO PAIRS may result in lower speed or poorer cycle timings.

Most single channel platforms seem to be unaffected.

(in reply to Iggy)

Post #: 6