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HMTK

Athlon 64 X2: DDR2 667 or 800?

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I'm going to build a (mostly) new machine based on an Athlon 64 X2 CPU. I chose AMD because of cost over Intel so this is a decision already made and I don't really need the very best CPU performance anyway. What I do need is lots of RAM. 4 GB to start and up to 8 later this year. Problem is that the only affordable DDR2 800 MHz modules I can find top at 1 GB. For 2 GB sticks speed drops to 667 MHz. Would this reduce performance a lot? I'll mostly be doing web stuff (surfing, email) and VMWare (couple W2K3 domain controllers, file server(s), 1 or 2 Citrix servers, maybe 1 or 2 client OS's). Since most of these guest OS's need memory rather than CPU power I want a lot of memory.

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http://www.newegg.com/Product/ProductList....amp;srchInDesc=

I see plenty of 2x2GB kits for US$250 or so-- of course, if you're not in the USA, then this doesn''t help you. :o

Going to 667mhz shouldn't hurt anything, with dual channels the memory has more than enough bandwidth for the CPU. Athlon64's are a bit funky about memory speeds anyway, DDR2-667 should be ok. It doesn't sound like your work is terribly memory latency sensitive.

http://www.techreport.com/reviews/2006q2/s...m2/index.x?pg=2

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Well I can get Kingston 4 GB kit 667 MHz for € 190 and 2 GB kit 800 MHz for €90 directly from Ingram Micro, almost the same price per GB. The same 4 GB kit in a shop however costs TWICE the price per GB. Talk about theft.

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