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RAM?
#1
I was wondering, what would be faster for windows 7? A 4GB Dual Channel DDR3 at 1333MHz or a 6GB DDR3 at 1066MHz considering that I'm using the Core i7 820QM?
Windows 7 - Asus G73jh-a1 - 17-720qm @ 1.6 GHz (2.8 GHz)(2.4ghz)(1.73ghz) - ATI Mobility Radeon HD 5870 @ 700/1000 (sometimes oc to 800/1100) - 8 gig ram
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#2
Considering it is a laptop, you probably won't need 6GB (unless you do a lot of memory intensive stuff like Photoshop with a resolution of 4kx4k or higher, video editing, 3D modeling, etc). 1333MHZ is generally faster than 1066MHZ in terms of bandwidth, but again, unless you do heavy memory I/O stuff, you won't notice a difference (benchmarking, compress/decompress a lot of files using 7-zip, etc). Anyways, since you're asking which is faster, I'd say the 4GB kit. The 6GB kit will just let you open up more programs at once and/or run memory intensive programs (if you have any).
Nappa: Vegeta! What does the scouter say about his power level?
Vegeta: It's...one thousand and six.
Nappa: Wh-...really?
Vegeta: Yeah! Beat him up Nappa!
Nappa: Yay!
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#3
Since that processor wouldn't max out either sets of ram and the only time you'd see a difference is in synthetic benchmarks actually designed to push that particular aspect... Go with the 6GB in triple channel over the 4gb in dual channel.
[Image: 2748844.png]
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#4
As always, thanks for the fast reply's. I'll go with the 6gb since I do use photoshop and 3d's max, but at the same time, I do play games as well.
Windows 7 - Asus G73jh-a1 - 17-720qm @ 1.6 GHz (2.8 GHz)(2.4ghz)(1.73ghz) - ATI Mobility Radeon HD 5870 @ 700/1000 (sometimes oc to 800/1100) - 8 gig ram
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#5
That's technicaly an i5 with an i7 branding. So it only supports dual channel?. I thought laptops only could with 2 DIMM's?
AMD Phenom II 940 @ 3.6GHZ, 4GB PC8500 @ 1100MHZ, 4870x2 @ Stock.
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#6
everything depends on the memory timings, not bandwidth.
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#7
The difference probably won't even be noticable. If you know you're going to use more than 4GB go with the 6GB, obviously, but I don't think you'll ever see the difference during normal operation.

Paging to and from disk will hurt infinitely more than whatever minuscule boost that (1333 - 1066) Mhz will get you.
"This thread should be closed immediately, it causes parallel imagination and multiprocess hallucination" --ardhi
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#8
originally, I was going to just go with the 4gb 1333 ram card, but then as I did more research, I thought maybe 4 wasn't going to be enough.

I heard windows 7 sucks about 1 gb of ram. While I was using photoshop cs4, it was running slow and took 400mb from my ram (only have a 1gb computer at the moment).

Then My brother uses premier and said it sucked up all his ram. S0 I think I'll just go with 6 to be on the safe side. Can't really afford 8.
Windows 7 - Asus G73jh-a1 - 17-720qm @ 1.6 GHz (2.8 GHz)(2.4ghz)(1.73ghz) - ATI Mobility Radeon HD 5870 @ 700/1000 (sometimes oc to 800/1100) - 8 gig ram
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#9
Photoshop uses a lot of RAM, mainly to store the picture you're working on. The larger the picture, the more RAM it uses. Likewise, the more layers = more RAM. I've actually seen a picture that takes up 40MB of HDD space, and it's a jpeg, too. I don't even want to know how much RAM is needed for something like that.
Nappa: Vegeta! What does the scouter say about his power level?
Vegeta: It's...one thousand and six.
Nappa: Wh-...really?
Vegeta: Yeah! Beat him up Nappa!
Nappa: Yay!
Reply
#10
@dr_thrax
Actually 4GB is well enough for resolutions beyond that.
My laptop with 4GB ddr3 1066mhz has no problems with A2 300dpi wich puts the usage by photoshop cs4 to about 2,3GB ram.
[Image: 1454055.png]
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