Upgrading memory

Hello guys, here's my pc:

Athlon X2 6400+ Windsor 3.2 Ghz
ATI Radeon HD 4770 @ stock clocks
3 gb dual channel memory (more details provided below)
Windows XP 32bit

Memory : 2x 1gb of PC-4200 and 2x 512mb of PC-5300 (same brand, can't remember it)

From what I've read the whole 3gb is running at PC-4200 speeds. That got me wondering if dumping all that ram away and buying either 2gb or 4gb (is 2gb enough?) of PC-6400 (yes, my MB supports it) would give a noticeable improvement? I don't have a lot of spare money right now but I thought Bad Company 2 was not as smooth as it could be. Is my memory a bottleneck right now?

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More about upgrading memory
  1. May I add that I am currently using a 19" non-widescreen LCD with 1280x1024 resolution and will probably upgrade to a 22" 1650x1080 before summer.
  2. This looks like a good deal, isn't it? Even if I choose to take 4x 1gb it'd be 60$ which is cheaper than the cheapest 2x 2gb set... That's weird.
  3. Best answer
    Buy 2x2 for 4 gig. Don't buy 4 -1 gig sticks. Many boards will downclock memory speed when all 4 slots are populated. I think that upgrading your memory would be a good move, the Athlons are a little more responsive to memory speed that their Intel counterparts due to the hypertransport buss. Do not skimp on memory with an AMD build. It doesn't have to be expensive either. Just look for memory with decent timings, and standard voltages of 1.8 volts.
  4. So going with 4gb (~3.5gb because of 32 bit OS) would be worth the extra $$$ over those OCZ @ 29.99$? If anyone made a similar move before (upgrading memory speed), your input would be appreciated as well.
  5. I may be blind but the only memory related sentence that might be useful for me that I found was this : The high memory throughput gives the processor an additional performance boost. I'm still not convinced it is worth the extra $$$.
  6. Best answer selected by diec4st.
  7. Thank you, and you won't be sorry. I used to run Patriot on my 4600X2 socket 939 platform a few years back. Was quite happy with it. Even though you won't get all of it used with a 32 bit OS, you can take comfort in knowing that your OS will always have every single byte of memory it can use to work with. And if you do decide to bump up to a 64bit OS in the near future, you are set!
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