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The Socket 939 Appreciation Club and Knowledgebase [Official] - Page 936

post #9351 of 28665
IMO; S939 is still the "Optimal Socket Architecture" for the current AMD processors, it is a more mature product compared to the AM2; in terms of design and development. While AM2's development was clearly rushed in order to play catch-up with Intel's DDR2 lineup.

This maybe explains why AM2 mobos cannot fully optimize DDR2 memory.
Edited by JEmmaB - 11/27/08 at 8:39am
    
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post #9352 of 28665
oh so its a motherboard/mem controller thing, not a memory thing?
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post #9353 of 28665
Quote:
Originally Posted by nategr8ns View Post
oh so its a motherboard/mem controller thing, not a memory thing?
With regards to 939 and AM2 it probably is, not that I had done any conclusive research; but for what I've tested using my AM2+ mobo running FX-62 with DDR2 800 OC to DDR2 1000+, Everest clearly shows that my DDR1 out bandwidths my DDR2.

Or maybe I have crappy DDR2 mems and AM2+ mobo.



    
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post #9354 of 28665
wow, thats a pretty big difference too! at least from what I can tell, it's kind of hard to read .
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post #9355 of 28665
Sorry 'bout the size; below are larger pics.



    
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post #9356 of 28665
I think ddr is able to outbandwith amd ddr2 becuase of the ram timings. If you set the ddr to the same spd's as the ddr2 what would the results look like for bandwidth?
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post #9357 of 28665
Quote:
Originally Posted by N2Gaming View Post
I think ddr is able to outbandwith amd ddr2 becuase of the ram timings. If you set the ddr to the same spd's as the ddr2 what would the results look like for bandwidth?
Haven't tried to set my DDR1 to DDR2 timings.

But doing such will only loosen my DDR1's timings and the DDR2 will still have speed advantage.

DDR1 is at 3-4-4-8 CL2 rated speed 570
DDR2 is at 5-5-5-15 CL2 rated speed 1035

Theoretically DDR2 should be faster than DDR1; irregardless of the timing.
Edited by JEmmaB - 11/27/08 at 9:04am
    
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post #9358 of 28665
So your talking about Ram frequency spd of ddr 500 compared to ddr2 1066. yes theretically you would think it should be faster. Don't forget you have to consider when you change the amount of time you system has to waite to write and read info then your not actually running faster. that's like having a v8 motor governed to run slower then a v6. If you could run your ram with 1T command clock with those overclocks @ 3Ghz or what ever you have those two PC's OC'd to, then I'm pretty sure you would be amazed at the bandwidth. Of course I could be wrong but this is what I can remember from reading around.
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post #9359 of 28665
N2; maybe I should read a bit and do more tests.

BTW; running 1T with 4 x 512MB DDR1 can be quite a feat.

Thanks for the info.
Edited by JEmmaB - 11/27/08 at 9:33am
    
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post #9360 of 28665
Quote:
Originally Posted by txtmstrjoe View Post

Happy Thanksgiving, everyone.
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