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Sep 18, 2004, 06:22 PM
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#1
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DriverHeaven Extreme Member
Join Date: Dec 2002
Location: U.S.A.
Posts: 16,122
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Whats better? memory question
memory question... Whats better, from a performance stand point?
2x512MB or 1 stick of 1GB
3x512MB or 2 sticks of 1GB
Becouse latences tend to add up don't they?
So should a stick of 1 GB Cas3 3,3,10
wouldn't it be faster then say
two sticks of Cas 2 2,2,5 (2x Cas 2 2,2,5 = cas 4 4,4,10)
for the same reson 1 512 is faster then two fast 256's
But then you add duel channel into the mix and alot of clam that adds only like 1% most of the time...
any one clear on this?
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Sep 19, 2004, 10:40 AM
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#2
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第3 子供
Join Date: Sep 2004
Location: Nerv HQ
Posts: 1,322
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Quote:
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Originally Posted by The_Neon_Cowboy
memory question... Whats better, from a performance stand point?
2x512MB or 1 stick of 1GB
3x512MB or 2 sticks of 1GB
Becouse latences tend to add up don't they?
So should a stick of 1 GB Cas3 3,3,10
wouldn't it be faster then say
two sticks of Cas 2 2,2,5 (2x Cas 2 2,2,5 = cas 4 4,4,10)
for the same reson 1 512 is faster then two fast 256's
But then you add duel channel into the mix and alot of clam that adds only like 1% most of the time...
any one clear on this?
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I'd say two sticks of anything running in a dual channel config would be best. Running with 1 stick might not be as fast (because of dual channel) and running with 3 sticks of anything should just slow things down. Memory controllers now-a-days are picky as hell so having 3 SDRAM\DDR DIMMS is usually a bad thing. I'd recommend 2 nice dual channel ready 512 MB or 1GB (1GB, 2GB total) DDR DIMMS for great performance over just 1 DIMM or especially 3 (hmm what about 4).
I might have the wrong idea too so bump bump bump let's get some more opinions on this as I'd like to know more info on this subject too.
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Sep 19, 2004, 01:26 PM
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#3
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DH's Dormant Dragon
Join Date: May 2002
Location: IN Rem-Dormancy
Posts: 23,665
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well lets see....... alot of 512mb sticks are now running 2 cas no problemo.... i've seen a few 1024 sticks that are barely hitting 2.5 cas ATM...
However, 2 sticks of 1024 vs 3 sticks of 512 would be IMO better
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Sep 19, 2004, 07:15 PM
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#4
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DriverHeaven Newbie
Join Date: Sep 2004
Posts: 13
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I'd go with 2x512 instead of 1 stick.. Setting up 2 512mb sticks in dual-channel will double your bandwidth from 3.2g/s to 6.4gb/s (PC-3200) which results into more speeeeeeed! 
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Sep 19, 2004, 11:56 PM
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#5
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confutatis maledictis
Join Date: May 2002
Location: somewhere dark
Posts: 5,952
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Neon's on an AthlonXP, so he won't get double the bandwidth, more like 2%
I think 2 sticks is better than three, but " two sticks of Cas 2 2,2,5 (2x Cas 2 2,2,5 = cas 4 4,4,10)" is not true. it would still be 2-2-2-5.
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Sep 20, 2004, 12:07 AM
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#6
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DriverHeaven Extreme Member
Join Date: Dec 2002
Location: U.S.A.
Posts: 16,122
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Quote:
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Originally Posted by Vampyromaniac
Neon's on an AthlonXP, so he won't get double the bandwidth, more like 2%
I think 2 sticks is better than three, but " two sticks of Cas 2 2,2,5 (2x Cas 2 2,2,5 = cas 4 4,4,10)" is not true. it would still be 2-2-2-5.
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are you sure?
then why is 1x 512 faster then 2x 256's? (with out duel channel) the latencies "seem" aditive with out duel channel
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Sep 20, 2004, 01:11 AM
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#7
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confutatis maledictis
Join Date: May 2002
Location: somewhere dark
Posts: 5,952
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it might be some sort of different delay involved, but the actual timings are the same.
I don't really know about the details of that
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Sep 20, 2004, 01:19 AM
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#8
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DriverHeaven Extreme Member
Join Date: Dec 2002
Location: U.S.A.
Posts: 16,122
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Quote:
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Originally Posted by Vampyromaniac
it might be some sort of different delay involved, but the actual timings are the same.
I don't really know about the details of that
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 thats what baffles me...
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Sep 20, 2004, 08:26 PM
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#9
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DH's Dormant Dragon
Join Date: May 2002
Location: IN Rem-Dormancy
Posts: 23,665
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depends on the controller itself...... the Nforce 2 ultras i see in alot of benchmarks were adding in more sticks appears to "slow" it down a bit... which is to be expected but.. NOT to much....
i haven't seen this problem on the Via boards though.....
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Sep 21, 2004, 07:16 AM
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#10
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Watching
Join Date: Feb 2003
Location: The void
Posts: 4,704
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Quote:
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Originally Posted by The_Neon_Cowboy
memory question... Whats better, from a performance stand point?
2x512MB or 1 stick of 1GB
3x512MB or 2 sticks of 1GB
Becouse latences tend to add up don't they?
So should a stick of 1 GB Cas3 3,3,10
wouldn't it be faster then say
two sticks of Cas 2 2,2,5 (2x Cas 2 2,2,5 = cas 4 4,4,10)
for the same reson 1 512 is faster then two fast 256's
But then you add duel channel into the mix and alot of clam that adds only like 1% most of the time...
any one clear on this?
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2x512 would be better than 1 stick of 1gb
2x 1gb would be better than 3x512
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