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AMD Zosma 960T/1600T/1605T CPU Club - Page 144

post #1431 of 2695
Quote:
Originally Posted by Bleek View Post

Well here's an interesting one, people say RAM/FSB speed makes no odds to the AMD x4 and x6 so keep them low.
However in 3DMark 2011 by lowering my FSB from 250 to 210MHz (but keeping the CPU at 4GHz) I lose a massive 1,000 points?!
On the plus side I can run less volts and temps are much lower, my peak under load is 10'C LOWER ... that's mad!

1K pts on the overall or physics? check the individual scores.
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post #1432 of 2695
Overall score so it's obviously benchmarking the memory sub system.
post #1433 of 2695
Quote:
Originally Posted by Bleek View Post

Well here's an interesting one, people say RAM/FSB speed makes no odds to the AMD x4 and x6 so keep them low.
However in 3DMark 2011 by lowering my FSB from 250 to 210MHz (but keeping the CPU at 4GHz) I lose a massive 1,000 points?!
On the plus side I can run less volts and temps are much lower, my peak under load is 10'C LOWER ... that's mad!

What people? I agree, FSB definately makes a difference in my experience. Check out the cpuid profiles on the best AMD Phenom benches, you will see them at 240 FSB or better for the most part. Especially for those that dont have unlocked multipliers. They have to use FSB to overclock. ??? How do you overclock memory? By raising the FSB! Next someone will say overclocking 1333 memory to 1600 doesn't improve performance.
    
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post #1434 of 2695
Quote:
Originally Posted by hotrod717 View Post

What people? I agree, FSB definately makes a difference in my experience. Check out the cpuid profiles on the best AMD Phenom benches, you will see them at 240 FSB or better for the most part. Especially for those that dont have unlocked multipliers. They have to use FSB to overclock. ??? How do you overclock memory? By raising the FSB! Next someone will say overclocking 1333 memory to 1600 doesn't improve performance.

I've read it a number of times on this thread and other forums, also in benchmarks showing extra memory speed doesn't really increase FPS in games etc.

However just dropping 40Mhz on the FSB/NB for me drops a massive 1k points in my 3DMark '11 score.

I dropped it down to try and reduce volts and heat further but I've decided to stick with 250Mhz as the CPU is stable at 4GHz 1.375v and relatively cool - so all is well.
post #1435 of 2695
Quote:
Originally Posted by LongRod View Post

Why the 4170? The 960T crushes it, unless your going for overclock.


because the BD's are supposed to be good with servers and has better performance on Linux.
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post #1436 of 2695
FSB should make a difference , hmm I think I will test between a multi and then FSB.

Anyone tried lowering multi to 9x or 10x and then increasing the FSB ?
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post #1437 of 2695
Quote:
Originally Posted by Bleek View Post

Well here's an interesting one, people say RAM/FSB speed makes no odds to the AMD x4 and x6 so keep them low.
However in 3DMark 2011 by lowering my FSB from 250 to 210MHz (but keeping the CPU at 4GHz) I lose a massive 1,000 points?!
On the plus side I can run less volts and temps are much lower, my peak under load is 10'C LOWER ... that's mad!

2011 is so GPU limited I don't see how that's possible, but who knows. Have you re-run it at 250 to be sure?
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post #1438 of 2695
Quote:
Originally Posted by Bleek View Post

I've read it a number of times on this thread and other forums, also in benchmarks showing extra memory speed doesn't really increase FPS in games etc.
However just dropping 40Mhz on the FSB/NB for me drops a massive 1k points in my 3DMark '11 score.
I dropped it down to try and reduce volts and heat further but I've decided to stick with 250Mhz as the CPU is stable at 4GHz 1.375v and relatively cool - so all is well.

You can google many, many game tests with different memory clocks. 1600 is pretty much the sweet spot, 1866 in some cases. In other cases performance drops at 2000+.

2011 is a synthetic bench. It's not the greatest indicator of how your rig will run a given game. Really you need the game benchmarks.
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post #1439 of 2695
I just received my 960T today!

So far I'm stable-ish @ 4.2ghz with 4 cores @ 1.45v. With x6 cores, I'm able to pass P95 small FFT's no problem @ 3.8ghz with 1.44v, but It fails Large FFT and blend with in a couple minutes...?

I've tried raising CPU-NB voltage, and RAM voltage but nothing seemed to help.
post #1440 of 2695
Quote:
Originally Posted by *ka24e* View Post

I just received my 960T today!
So far I'm stable-ish @ 4.2ghz with 4 cores @ 1.45v. With x6 cores, I'm able to pass P95 small FFT's no problem @ 3.8ghz with 1.44v, but It fails Large FFT and blend with in a couple minutes...?
I've tried raising CPU-NB voltage, and RAM voltage but nothing seemed to help.

could be a ram issue. i noticed you have 12GB, how many sticks of rams do you have? are they set in default?
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