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"Intel Sandy Bridge CPUs End Aftermarket Cooling" - Page 2

post #11 of 79
Quote:
Originally Posted by redalert View Post
If you can get to 5.2 with the stock one, why not put an aftermarket heatsink and push it to 5.7. There will always be a need for aftermarket heatsinks.
Unless it takes 1.6V to do 5.7GHz, then you'll be killing your CPU through overvolting.
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post #12 of 79
So, I read from ACMtechnews taht sandy bridge is the new processor line where the gpu is built into the processor. sandy brdige seems to be a low end user's cpu...like gpu built into motherboards but in this case closer to the processor so the video performance can increase because data doesn't travel far

my issue with all this is that yeah you're pushing 5.2 GHz, but who cares if half of that is being thrown onto the gpu?

anybody follow?
    
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post #13 of 79
We will always need aftermarket coolers because we always will want to overclock it higher and higher. Also quite ironic the FrozenCPU "Selling the world best cpu coolers" at the bottom of the article.
    
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post #14 of 79
I'm going to shed a little bit of light on this topic. You have to keep in mind that he's not just making this up; this is not some new phenomenon - it's part of the die shrink and technoligical advances that it runs as cool as it does. However, it's a new type of tech, and there's no saying that while 68c is comfortable for the OC, that the increase in voltage used to get there could not be heating up other parts of the chip as well past comfortable limits. How do we know this doesn't effect the video component of the die? Will this put too much of a strain on the South Bridge (since NB is integrated)? This will come with time, don't read into it too much. You're going to need your aftermarket cooler to reach the most comfortable overclock.

For all of you AMD 955/965 owners, you know what happens when your chip goes above 65c. I've been there. It could be the same for this.
post #15 of 79
I think the point of the article is that cooling wont be the limiting factor for overclocks, but voltages beyond specs that would be silly to use for 24/7. Sure, maybe I can do 6,5 GHz with my CPU dedicated loop, but the voltage needed would most likely still be quite something. For benching and record breaking, sure, it would be awesome, but for 24/7, folding, and stuff like that, the voltage would most likely not be very nice.

Quote:
Originally Posted by TheBlademaster01 View Post
Unless it takes 1.6V to do 5.7GHz, then you'll be killing your CPU through overvolting.
Beaten to it
Edited by Infernosaint - 1/1/11 at 6:13am
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post #16 of 79
Quote:
Originally Posted by skitzogreg View Post
I'm going to shed a little bit of light on this topic. You have to keep in mind that he's not just making this up; this is not some new phenomenon - it's part of the die shrink and technoligical advances that it runs as cool as it does. However, it's a new type of tech, and there's no saying that while 68c is comfortable for the OC, that the increase in voltage used to get there could not be heating up other parts of the chip as well past comfortable limits. How do we know this doesn't effect the video component of the die? Will this put too much of a strain on the South Bridge (since NB is integrated)? This will come with time, don't read into it too much. You're going to need your aftermarket cooler to reach the most comfortable overclock.

For all of you AMD 955/965 owners, you know what happens when your chip goes above 65c. I've been there. It could be the same for this.

yep the vid component of the die is what i mentioned...i completely forgot about the temps needed for that...yeah, how do we know the Tj Max isn't 70c??
    
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post #17 of 79
What happens to AMD955/965s over 65C? A guy on here was running at 70C for ages he reckons.

With a smaller manufacturing process eg 22nm less heat energy is released however increases in clock speeds have offset this, thus we now have big CPU coolers. Don't see any reason why this won't continue in future, as clock speeds rise so does temp.
Edited by Ding Chavez - 1/1/11 at 6:19am
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post #18 of 79
Quote:
Originally Posted by skitzogreg View Post
For all of you AMD 955/965 owners, you know what happens when your chip goes above 65c. I've been there. It could be the same for this.
Yeah, Like I said above. Do we even know the Tjmax of these yet? Also, just because it could be sitting at 60C, if it takes too much voltage to get to a certain OC, it could still fry the chip.
post #19 of 79
Quote:
Originally Posted by Ding Chavez View Post
What happens to AMD955/965s over 65C? A guy on here was running at 70C for ages he reckons.
It becomes really unstable. It's actually for the most part what kept my 955 from hitting 4.0.
post #20 of 79
Quote:
Originally Posted by skitzogreg View Post
It becomes really unstable. It's actually for the most part what kept my 955 from hitting 4.0.
Yeah, before I got my Mugen2, I was running my 550 as an X4 @3.4-3.5 on the stock cooler. It was hitting 67-69C and would run fine until I folded on it or did any heavy gaming/rendering. It was extremely unstable and probably would have died within a year if I had kept it like that. Even after 60C it can start to show instability, they are very picky on temps for sure.

We have no idea how these SB chips will do with heat or what the die shrink means in terms of maximums. The smaller the node, the less headroom for voltage increases without instability and/or frying.
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