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Old 09-01-2008, 03:53 PM   #1
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Default Which is the faster RAM?

So I've always wondered which would be faster,

Ram with 4 GB Dual channel DDR2 667 4-4-4-12 timings or
Ram with 4 GB Dual channel DDR2 800 5-5-5-15 timings.

AKA
http://www.newegg.com/Product/Produc...82E16820231154
VS
http://www.newegg.com/Product/Produc...82E16820227251

Bidding proper OS support.
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Old 09-01-2008, 04:02 PM   #2
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Default Re: Which is the faster RAM?

The DDR2 800 with 5-5-5-15 timings is the fastest overall of the two. While it may slightly lack in timings, it makes up for that difference in overall operating speed.

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Old 09-01-2008, 09:00 PM   #3
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Default Re: Which is the faster RAM?

Quote:
Originally Posted by Atomic Rooster View Post
The DDR2 800 with 5-5-5-15 timings is the fastest overall of the two. While it may slightly lack in timings, it makes up for that difference in overall operating speed.
it would also depend on the motherboard...
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Old 09-01-2008, 09:02 PM   #4
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Default Re: Which is the faster RAM?

Quote:
Originally Posted by wol-va-rine View Post
it would also depend on the motherboard...
and the CPU.
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Old 09-02-2008, 01:24 AM   #5
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Default Re: Which is the faster RAM?

Well if it depends on the motherboard and CPU my laptop has an Intel Mobile Core 2 Duo T7300 running at 2 Ghz with a 4 meg cache.

I'm not sure how to ID the motherboard itself, wouldn't they all vary depending on laptop build? I know it has an Intel PM965 chipset, other then that I'm not sure what to tell you about it.
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Old 09-02-2008, 01:36 AM   #6
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Default Re: Which is the faster RAM?

i think that since its Intel C2D, its a very high chance that it can only handle 667mhz of speed, so getting the 800mhz would be worthless.
i think CPU-Z might tell what motherboard you have, i dont really know much about laptops.
kinda wish my laptop can go up to 4gb, but i think it only goes up to 3gb.
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Old 09-02-2008, 01:43 AM   #7
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Default Re: Which is the faster RAM?

Yeah I looked at CPU-Z and all it says is chipset, south bridge (82801HBM (ICH8-ME) and that its made by ASUS and the model is F3SV.

I just looked at the Asus website about it here
http://usa.asus.com/products.aspx?l1...61&modelmenu=2
Does that RAM part mean it can only handle a max of 667 4 gigs then?
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Old 09-02-2008, 02:24 AM   #8
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Default Re: Which is the faster RAM?

yep pretty much
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Old 09-02-2008, 04:37 PM   #9
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Default Re: Which is the faster RAM?

Are laptop C2D's dual or quad pumped? If it's quad you can only use 400MHz RAM, anything over will be bottlenecked. If it's dual, you can use 800MHz.
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Old 09-02-2008, 07:21 PM   #10
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Default Re: Which is the faster RAM?

You sure I can use 800 Mhz ram? It is dual core but the asus site says 4 gigs of 667 RAM, would it be able to use the 800 stuff without underclocking it?
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