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DDR500 1T tight timings or DDR600 2T ? - Page 2

post #11 of 14
Good to hear... keep on going up.

Quote:
Originally Posted by vicoorr
Thanks for the help and information , Im running it at 3-3-3-5 2t DDR600 and im always first in any game server im in.
This is not true and for your system it will be best to look at what else can be tuned up as DDR600 will be better than DDR480 irrexpective of timings.

Run Pi32M for yourself and compare.

Quote:
Originally Posted by Melcar
Memory bandwidth is almost useless on a A64 platform. I get better performance running at 240MHz 2-3-3-6 1T than at 300Mhz 3-4-4-8 2T. Of course this is according to benchmarks (about a 3% difference). In actual applications I can't even notice. Go with what's best price/performance wise. These Patriot sticks were actually cheaper than most performance DDR500 sticks.
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post #12 of 14
http://www.dfi-street.com/forum/showthread.php?t=40178

Just read the first post. With A64 there is no need for insanely high memory bandwidth. With my current memory settings (240MHz 2-3-3-6 1T) I do SuperPI in 30s, at 320MHz 3-4-4-10 2T it takes 31s. The difference is so small I don't really care.
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post #13 of 14
CPC plays a large factor in Pi, so if you are able to run 1T at the higher mem speeds you will see that it will outrun your 1T settings for the same CPU click speed


Quote:
Originally Posted by Melcar
http://www.dfi-street.com/forum/showthread.php?t=40178

Just read the first post. With A64 there is no need for insanely high memory bandwidth. With my current memory settings (240MHz 2-3-3-6 1T) I do SuperPI in 30s, at 320MHz 3-4-4-10 2T it takes 31s. The difference is so small I don't really care.
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post #14 of 14
I agree that DDR600 is beter than a stick of DDR400 as far as memory is concerned, it's obvious. All I'm saying is that for a A64 platform their is no need to run the memory that high. Since the memory controller is on the CPU itself timmings take precedence over bandwidth (althought higher memory ratings are always good). CPU speed is what matters most. 1T will always outperform 2T but only by a little, and in benchmarks. A stick of DDR600 will give you more headroom when overclocking, but a decent stick of DDR500 will do just fine. It all comes down price.
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