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Old 04-23-2008, 10:54 AM   #1 (permalink)
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Default Memory Question

I have some G.skill ram running at 5-5-5-15 @ 1066, but it can also run at 4-4-4-10 @800. I'm guessing the one at 1066 is better but why are the timings higher? Aren't lower timings better?
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Old 04-23-2008, 12:14 PM   #2 (permalink)
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Default Re: Memory Question

In order for memory to run at faster speeds, they have to loosen the latency timings. Its just the way things are. Similarly, DDR3 running at 1333 usually has 6-6-6-24 or higher timings.
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Old 04-23-2008, 03:53 PM   #3 (permalink)
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Default Re: Memory Question

Quote:
Originally Posted by veedubfreak View Post
In order for memory to run at faster speeds, they have to loosen the latency timings. Its just the way things are. Similarly, DDR3 running at 1333 usually has 6-6-6-24 or higher timings.
Which one is better to have lower timings or higher speed?
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Old 04-23-2008, 04:32 PM   #4 (permalink)
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Default Re: Memory Question

It all depends on the memory. Memory tweaking is a long process, theres a table out there somewhere showing optimal speed vs latencies, but i dont remember offhand. I just left mine at 1:1 with my FSB (q6600@3.6 400FSB) and lowered my timings a bit.
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Old 04-23-2008, 09:31 PM   #5 (permalink)
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Default Re: Memory Question

I think Tom's Hardware did something like this a while ago

Tight Timings vs High Clock Frequencies : Introduction - Tom's Hardware

ya its a two year old article

I'll save you some time though, it depends on the program you're trying to run
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Old 04-23-2008, 11:08 PM   #6 (permalink)
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Default Re: Memory Question

W3rd, all you dudes got it.

It really does matter what you're doing.

Games can like higher bandwidth gained by higher RAM speeds.

Low latency DDR2-1066 is going to perform better then higher latency DDR3-1333 for gaming.

In all reality, you're going to be fine using DDR2-800 or DDR2-1066. Either one's fine, you're not going to visiably(sp?) tell the difference between the two.

Now if you were going DDR3-2000 over DDR2-800, you'd notice a considerable amount of increased performance. But not like you would with a better video card or CPU.

In fact, DDR3-1800mhz nets you between 3-10 more frames her second over DDR3-1333. And low latency DDR2-1066 outperforms DDR3-1333. So in the end, ubber spendy/high speed RAM can net you a good 10 frames per second performance increase over current DDR2 standards, but that's all.
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