DDR2 800 4 x 1 or DDR2 1066 2 x 2

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toddstew

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I am currently running windows XP and am getting ready upgrade to Windows 7. My Gigabyte MB currently has G Skill DDR2 2 x 1GB memory. I want 4 GB ram.

Would it be better to simply add two more 1 GB memory modules at DDR2 or would it be better performance to replace the current memory with DDR2 1066 2GB x 2 for a 4GB configuration? Would there be much noticeable difference regarding watching Netflix online and some games?

My CPU is an AMD Brisbane X2 2.7 GHz.

Thanks for your help.
 
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There is a great article that expresses your very question. You can read the whole thang, or just read the first couple paragraphs on the last page. I hope this helps.

http://www.tomshardware.com/reviews/ram-memory-upgrade,2778.html

When I had XP and 4gb ram, with 512mb descreete card, my properties shows 3.25gb ram. There is only a total of 4gb of system memory supported, which you probably aready know. So I'd imagine that onboard would be the same.

amirp

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do a google search there is a lot of info on this (ddr2 800 vs 1066) but really the difference will only be noticeable within benchmarks. How much money do you save by going with 800? if it's anything significant then go with 800, if its like 20 bucks then might as well go 1066
 

pharoahhalfdead

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1) Maybe not in the near future, but later you might want to upgrade again. Buying four sticks of 1gb would mean you would have to get rid of them, so buying the two 2gb might save you money in the future.

2) There's nothing that says you can't have 6gb memory. As long as the 2x2gb ram has same specs as your current memory just go that route, if you have a 64bit os.
 

toddstew

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Thank you for your suggestion.

I guess I thought that memory must be matched.
 

amirp

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he's right you can do what he said, but the 1066 memory would have to be run at 800 speed (you match it with the slowest module you have installed) so you may as well buy 2x2gb 800 ram since your existing ram is 800 right?
 

toddstew

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on a side note....I'm trying to figure out if the onboard video will support dual monitors.
 

amirp

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toddstew

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Thanks for the recommendations. I think I'll go with the 2 x 2GB DDR2 800...for 6 GB ram. I never would have considered that to be a real possibility.
 

pharoahhalfdead

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The only thang I'm not sure of is if you have to place them in certain slots or any slot.

For example 1gb sticks in slots 1 & 3 but 2gb sticks in slots 2 & 4. That's the only thang I'm not sure of, but maybe one of the other fellas has that answer.
 

toddstew

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Gigabyte notes say "Note: Due to AMD AM2+ CPU limitation, DDR2 1066 is only supported by 1 dimm per channel."

I don't understand what this means. Does 1 dimm mean 1 DDR2 module?
 

toddstew

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Thanks...you answered question about Win 7 64 that I hadn't asked about yet. It's on my list of potential upgrades. looks like I'm gonna go with 2x2 DDR2 1066 and a cpu upgrade. I've decided that more cores may be more valuable than more memory.
 
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