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post #21 of 31
Uh why does everything think an Athlon X4 640 has a max temp of 62C?....

I've always known Athlon II's to have a max temp between 71-75C

http://www.cpu-world.com/CPUs/K10/AMD-Athlon%20II%20X4%20640%20-%20ADX640WFK42GM%20%28ADX640WFGMBOX%29.html

and here's another site if you don't believe that one:

http://www.techwarelabs.com/amd-athlon-ii-x4-640/

oh and another:

http://cpu-data.info/index.php?grp=ADX640WFK42GM&gr=-1

and how about one more?

http://www.bjorn3d.com/read.php?cID=1862&pageID=9036

Shows max temp of 71C. Gosh guys get with the game.
Quote:
Originally Posted by pioneerisloud;13472109 
I agree. Your CPU's MAXIMUM temperature according to AMD specifications is 62*C.

Oh really. I would love to see that.

Anyway.. of course no one likes to run at high scary temps like that. You'll should shoot for 65C or less.
Edited by iinversion - 5/12/11 at 12:36am
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post #22 of 31
Quote:
Originally Posted by iinversion;13474616 
Uh why does everything think an Athlon X4 640 has a max temp of 62C?....

I've always known Athlon II's to have a max temp between 71-75C

http://www.cpu-world.com/CPUs/K10/AMD-Athlon%20II%20X4%20640%20-%20ADX640WFK42GM%20%28ADX640WFGMBOX%29.html

and here's another site if you don't believe that one:

http://www.techwarelabs.com/amd-athlon-ii-x4-640/

oh and another:

http://cpu-data.info/index.php?grp=ADX640WFK42GM&gr=-1

and how about one more?

http://www.bjorn3d.com/read.php?cID=1862&pageID=9036

Shows max temp of 71C. Gosh guys get with the game.

But of course no one likes to run at high scary temps like that. You'll should shoot for 65C or less.

When you see instability over 53*C at a very high overclock, THAT is why we say 55*C is the max safe for overclocking.
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post #23 of 31
Quote:
Originally Posted by pioneerisloud;13474634 
When you see instability over 53*C at a very high overclock, THAT is why we say 55*C is the max safe for overclocking.

Instability or not, its more than safe to have that high of a temperature with no damage done to the CPU.
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post #24 of 31
Besides the temp point. Its a athlon 640. Its not a good overclocking chip. The highest I have seen is 3.6, some people get 3.5 but still rare. I'm sure if you bought a really nice board for over clocking you could get some good numbers out of it. But lets face it, nobody buys the high end boards with a athlon chip, its kind of backwards. So most people that own that chip have a lower in board as well. So the best you are going to see stable with that chip is around 3.3 to 3.4. Unless you bought a really good over clocking board.
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post #25 of 31
He need a better cpu cooler. I got 2 640 to 3.8ghz-4.0ghz with a NH-D14.
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post #26 of 31
3.6GHz is the most that X4 640 will do. I built a minor gaming rig for a friend with it. Couldn't even get stable passed 3.5GHz, no matter what voltage. Searched all the threads here, and yup, 3.5-3.6GHz is about the max it can handle. Lousy chip when it comes to o/cing. Wouldn't waste my time trying to get stable at 3.75GHz.
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post #27 of 31
Thread Starter 
Quote:
Originally Posted by pioneerisloud;13472409 
You can easily get it higher. You just need to keep those temperatures under control. wink.gif

You will see a larger increase in "snappiness" by getting your CPU-NB clocked as high as possible though. And CPU-NB voltage adds very little heat. Obviously, this will also bring your RAM and CPU speeds up some too, and HT Link.

OK so when you says "CPU-NB" my bois shows a NB speed of x10 2500Mhz is that what you mean?

What a good realistic speed to go for?

I feel like a noob again. I'm used to having only CPU and RAM to consider
post #28 of 31
Quote:
Originally Posted by APOLLOSTEES;13479589 
OK so when you says "CPU-NB" my bois shows a NB speed of x10 2500Mhz is that what you mean?

What a good realistic speed to go for?

I feel like a noob again. I'm used to having only CPU and RAM to consider

2600MHz should be a realistic speed goal, or something close. Make sure you raise the NB-CPU voltage as you raise the speed up from the 2000MHz stock.
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post #29 of 31
Thread Starter 
Quote:
Originally Posted by iinversion;13480335 
2600MHz should be a realistic speed goal, or something close. Make sure you raise the NB-CPU voltage as you raise the speed up from the 2000MHz stock.

So CPU-NB is basically the NB chipset?
post #30 of 31
Quote:
Originally Posted by APOLLOSTEES;13479589 
OK so when you says "CPU-NB" my bois shows a NB speed of x10 2500Mhz is that what you mean?

What a good realistic speed to go for?

I feel like a noob again. I'm used to having only CPU and RAM to consider

Your realistic goal...however high you can bang out stable. The easiest way to do it, is to lower your RAM speed, lower your CPU down, keep your HT Link between 1800-2100, and bring your NB clocks up as high as possible. Keep your CPU-NB voltage below 1.45v. Once you find your highest you can go stable with NB, bring RAM back up...and test that out. Then bring CPU back up, test that out.
Quote:
Originally Posted by APOLLOSTEES;13481444 
So CPU-NB is basically the NB chipset?

CPU-NB voltage is the IMC on your CPU. Again, should not pass 1.45v. Your NB chipset is only in charge of the reference clock, and PCIe frequencies and such. You don't need to screw with that voltage at all.
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