Tom's Hardware > Forum > Motherboards & Memory > Memory > PC2-6400 CAS 3 vs PC2-8500 CAS 5
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zdenton   08-21-2007 at 02:48:54 PM

Hi, I was wondering which ram would be considered best for gaming performance and/or overclocking.

I have two choices:

OCZ FlexXLC PC2-6400 CAS 3-http://www.newegg.com/Product/Product.aspx?Item=N82E16820227190

or

Crucial Ballistix PC2-8500 CAS 5-http://www.newegg.com/Product/Product.aspx?Item=N82E16820148069

I have heard that low latencies are preferable in gaming situations. Can anyone confirm this?

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Hatman   08-21-2007 at 03:05:05 PM
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Kinda but you wouldn't notice it. If you can get your FSB to 533mhz, 2132 quad pumped I believe, then get the PC2-8500, if you cant, then get the other one. The OCZ.

------------------------------ Na na na na na na na na HATMAN!
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apache_lives   08-21-2007 at 03:22:35 PM
- 0 +

They will both with enough voltage and tweaking run at about the same speed in the end, but the PC8500 will give a more 'guaranteed' headroom for over clocking, where as the PC6400 low latency is for more the stock user who wants the fastest stock speeds sort of thing etc.

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Maziar   08-21-2007 at 03:32:42 PM
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i will go for OCZ ,very nice timings

------------------------------ Q6600@3.4+ TT V1 Cooler,SAPPHIRE HD 4870X2,ASUS MAXIMUS FORMULA,4GB OCZ DDR2 800,LG W2452V 1920x1200
 Reply to Maziar
zdenton   08-21-2007 at 03:44:34 PM
- 0 +

thanks. i'm planning on oc'ing my q6600, so should i go for the ocz?

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DeadRam   08-21-2007 at 04:42:48 PM
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The PC2-8500 gives you more room to overclock but most motherboards let you overclock the processor without overclocking the memory. I chose PC2-6400 for the price - $73 for 2GB but I would go with the PC2-8500 if price isn't a factor. Also PC2-6400 is probably good enough if you plan on using the retail heatsink because of heat issues. I have a B3 stepping Q6600 and I got mine to 3.4 so far on air using a Thermalright Extreme 120 heatsink. Good luck.

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zdenton   08-21-2007 at 05:40:30 PM
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they are both the same price - the 6400 has an extremely low latency of cas 3. which would be better? the 8500 or 6400 cas 3?

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Maziar   08-21-2007 at 06:35:02 PM
- 0 +

Yes go for Flex ram , very nice timings and OCs very well

------------------------------ Q6600@3.4+ TT V1 Cooler,SAPPHIRE HD 4870X2,ASUS MAXIMUS FORMULA,4GB OCZ DDR2 800,LG W2452V 1920x1200
 Reply to Maziar
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