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RAM speed vs. FSB-> busted?

post #1 of 15
Thread Starter 
As promised, here are the results from a couple fo tests that I feel show the difference in RAM/FSB speeds.

*Please note, all screen shots posted have the windows task manager open to show the total number of running processes and app's. There is a shot of each run of Super Pi and a bench on AM3 for each perspective ratio.
Please post back w/ similar test shots. I am eager to see the results from ofther systems, in an effort to prove, or disprove, this theory. **The last thing "we" need is more posts on 'people's views' or opinions. These tests are not hard to run, leaving your fsb speed the same and only adjusting RAM speeds and latencies accordingly.

First run-> 300mhz fsb x10 3ghz cpu_vcore 1.30
RAM_ 300mhz 1:1 ratio* 1.8v, 4-4-4-13-4
Attachment 33415

Attachment 33416

Attachment 33417

Attachment 33418

Second run-> 300mhz fsb x10 3ghz cpu_vcore 1.30
RAM_375mhz 4:5 ratio* 1.85v, 4-4-4-14-4
Attachment 33419

continued on next post.....




post #2 of 15
Thread Starter 
Attachment 33420

Attachment 33421

Attachment 33422

Third run-> 300mhz fsb x10 3ghz cpu_vcore 1.30
RAM_450mhz 2:3 ratio*, 4-5-4-15-4, 2.3v
Attachment 33423

Attachment 33424


continued on next post.....




post #3 of 15
Thread Starter 
Attachment 33425

Attachment 33426
------------------------------------------

Improvements are visible.........what more needs to be said? ...I dunno
As I said before, I am eager to see some results from other systems. I will be running this same test on my other rig and posting back.

post #4 of 15
sorry, but could you summarize your findings, just makes it easier to understand, thanks!
    
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post #5 of 15
Thread Starter 
Here are the resluts...summarized

1. 300fsb/ RAM@ 300mhz 1:1 ratio-> super PI time, 17.6sec/ 138,105-AM3

2. 300fsb/ RAM@ 375mhz 4:5 ratio-> super Pi time, 17.42sec/ 144,074-AM3

3. 300fsb/ RAM@ 450mhz 2:3 ratio-> supre Pi time, 17.39sec/ 145,207-AM3

Look at the second AM3 pics to see FPS rates during the demo @ each test.
Hope this helps.
post #6 of 15
WOW good tests. Thanks for the info. So it seems even if you run a divider on the mem and get a higher MHz speed for the RAM then Pi times are lower. But not by a lot tho.

Could you try 375FSB with a 8x multi which gives the same 3.0GHz (to keep tests fair), and have the RAM at a 1:1 ratio and see if it beats the second score u had on Super Pi?
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post #7 of 15
Thread Starter 
I am trying to shed some light on this "dark" subject. I would gladly post back w/ any new tests.....probably tomorrow. What the test are attempting to illustrate is-> if setting RAM speed > than fsb is advantageous or not. From the tests shown...there are still improvements past a 1:1 ratio. FPS scores on AM3 went up considerably from 300mhz RAM to 450mhz RAM. Next I will try a new table, fsb set to 375 er sumthin and I will run , 1:1, 4:5, and 2:3 to see if I have similar results.
post #8 of 15
Cool sounds good.
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post #9 of 15
Those tests won't show it. Your "burst" speed of your RAM will not increase, but your continous speed will definely be higher.
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post #10 of 15
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So do you have any suggestions...or do you just try to shoot down ideas? .....and it looks as if the tests are showing some improvment to me...did I miss sumthin?
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