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Check My Overclock + Suggestions

post #1 of 15
Thread Starter 
System is in my signature.

I got the Artic Silver Pro 7 HSF a few days ago. Right now @ 3.2Ghz I get about a 52-54 Idle and the max it goes to usually is like 60 during gaming or w.e but the true "load" (obtained when I ran Dual Prime95 for stability) is like 63-65


Anyway, I am thinking the HSF still didn't "set" in yet and that the thermal paste is still relaxing because when I used my computer earlier it was @ 47 C idle and then it went back to the 52-54 again.

Just for reference, this is the RAM I'm using and it's @ 4-4-4-12

http://www.newegg.com/Product/Produc...82E16820231065


Anyway heres a screen from CPU-Z so you can see my overclock



So it's basically

FSB of 400 x 8 = 3.2Ghz

Now here comes my question, the only reason I did FSB of 400 is because I wanted to use my core speed of my memory of 800mhz, if I used the default multiplier of 9x400 I'm pretty sure my computer would be unstable and run very hot.

Now what I want to know is if I should run my FSB:RAM to 4:5 or 3:5 so I can get more mhz out of the RAM, or if it's best ran at 1:1 and I will get the most performance there.
    
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post #2 of 15
Did you use AS5?
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post #3 of 15
Your CPU speed is more important than your memory speed - up the multiplier, even if you get a lower clock
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post #4 of 15
Thread Starter 
Well see, I was originally aiming for 3.0Ghz but that made my RAM at 666 (333 x 9 = 2999) and my RAM is suppose to be 800mhz @ stock and having it at 666mhz would be underclocking it, so 400 x 8 wouldn't only increase the FSB in general (which speeds up all processes I believe) but it will also give me a stable 3.2Ghz which is higher then my anticipated 3.0Ghz.

Now i'm just wondering if running less then 1:1 would offer more performance because at least then my RAM would be overclocked,

Are you saying having more multiplies give generally better performance just for having more of it?

oh and btw I did use AS5
    
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post #5 of 15
Quote:
Originally Posted by KillaKid View Post
Now what I want to know is if I should run my FSB:RAM to 4:5 or 3:5 so I can get more mhz out of the RAM, or if it's best ran at 1:1 and I will get the most performance there.
There isn't really any difference in going from 1:1 to 4:5. I've tried them both and 2:3 as well and I saw no difference. A 1:1 should be perfect for 400fsb.
In my part, I like running a higher RATIO because of the numbers, but performance wise? There's none. Although it may help in certain apps that require lots of RAM such gaming as I've noticed.

But at the speed that you're right now, 400x8? I wouldn't use any other RATIO. (And you'll see why next).

As for 1:1 with a 333x9, and your RAM only doing 666mhz? Well, that's not bad, it's the way it's meant to be and that's what RATIOS are for. Basically RAM that runs at such high speeds are for those with over-clocking in mind and also the motherboard manufacturers with all the necessary RATIOS to change the speed.

So, you could run a 334x9 speed, use a 4:5 ratio and your RAM will read 417.5mhz which will be the CPU running at 3.0ghz and ram at 835mhz, or use a 2:3 ratio and your RAM will be running at 1000mhz.

This is what I ran here:

__________


And for a 400fsb on a 1:1 I can do this:



Except I have to change lot of other things when getting to a 400fsb. And at that speed, I'd certainly not change the RATIO, using a 1:1 will be good.

Right now I'm testing the 4:5 ratio and my RAM reads 417.5mhz and I can tell you that I see no difference from 2:3 RATIO at 1000mhz but I also lowered the Vdimm to 2.10v down from 2.30v. Makes the RAM run a little less warm.
post #6 of 15
Thread Starter 
How do you get such good temps @ 3.6Ghz? What HSF do you use? Also, I think I didn't ask my question correctly.

In my case, what I am wondering if running at 4:5 and getting 1000mhz @ 3.2Ghz is better then 1:1 at 800mhz and 3.2Ghz.

I play games and run a lot of apps, so if it doesn't do much performance wise shouldn't I just go and use the 4:5 RAM Divider and get 1000Mhz? Would running at lower dividers decrease stability?
    
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post #7 of 15
I use a Tuniq Tower 120 HSF. Been using it since April of last year.

4:5 or 1:1 is pretty much the same, heck, 2:3 and 4:5 is almost the same as well. I've tried all ratios and I can see almost no performance gain from 1:1 to any other. I will say that it may help in a minute way to some apps such as gaming but if you feel the need to run a 4:5 and let the RAM go all the way to 1000mhz, go for it and see if it makes a difference from a 1:1.

There was a known issue when hitting 400fsb on a 4:5 ratio with the P5B Deluxe but I think it was fixed with the 0711 BIOS, so I don't think there should be any stability issues from 1:1 to 4:5, except at 1000mhz, you're going to run your RAM with a 2.30v.
post #8 of 15
Depending on your cas, of course. DDR1000 cas4 usually needs 2.35-2.45vdimm.

In 3dmark06 I dropped from 3.8Ghz/850ish 4-4-4-12 down to 3.6GHz/1000 4-4-4-12 and I saw a slight decrease in score. Less than 50 points. I'm currently working on a 3.8Ghz/1060 4-4-4-12 and will let you know what I see then. Unfortunately I'm running highly bottlenecked by a single 1900XTX... even at 766/855 I cannot come close to what the Conroe is putting out. This kind of negates the effect of the processor in games. However I'll take a closer look at the CPU score for you between the benches.

EDIT: In 06 there is a 4 point CPU score difference between 3805Mhz/1:1 4-4-4-12 and 3789/5:4 4-4-4-12. Basically, next to nothing.

In 05, there is a 147 point drop from 3805MHz/1:1 4-4-4-12 to 3608/4:5 4-4-4-12. 3608/1:1 dropped 3334points CPU score from 3608/4:5. That's a HUGE boost from memory gains. I think that pretty much shows that its all in the applications....
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post #9 of 15
Thread Starter 
Okay, I tried running @ 2.35 and 2.40 for 1000Mhz but it didn't seem to boot. Would I need proper cooling for 2.45 or should I just go for it? Also are you saying @ 3608/4:5 you gained 3334 points or lost 3334 points, I got kinda lost, lol.
    
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post #10 of 15
you would need better ram. i would say try the 9x multi with 350 then see how high u can go before it doesnt post
    
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