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Tomshardware Socket Cooler Comparison: mad results ?

S

S0me1X

Golden Member
Should I trust these results: (!?)
GlobalWin beats out Alpha 6035, Hedgehog, Taisol!!!?

AND Intel Boxed Fan beats out Hedgehog?????
 
They are worse, IMO than the anandtech review/comparison.


Some links for your reading pleasure. Please to go the second link, in it is a link to overclockers.com and their exploration of thermistor/thermocouple placement and its effect on its readings. On a kt7, it contacts the underside of the edge, whereas on the TomsHardware review, it is even farther out, and therefore that much more inaccurate.

Anandtech Heatsink REview discussion

Toms Hardware, MY response to that review


Mike
 
Well the temperature comparisons were crap, but the sound level info was interesting. (It would have been nice to know what model and make of the fans were though)
 
Excuse me... but when you are doing a test like that, what would be more important? Accuracy, or consistancy? Consistancy! Who cares if the temp's shown weren't accurate, they were consistant, and that's what you compare.

I can tell you that the Hedgehog IS NOT all what it's made to be. I own one, and for the money I think I got a poor deal. I think it fell in about a fair spot on his charts.
I was surprised though they didn't have that cooler called "arctic" something.. I hear it's supposed to be about the best out now?

Really, who cares anyway.. it's just heatsinks.. shesh...

I think this forum would complain about anything that was reported on Toms page.
 
10 minutes is not long enough to see the long term results of a heatsink... usually, CPU temperatures don't stablize that quickly.
 
I agree with Whitedog partially..

I think the results were much more accurate then many I see on the net.

that Hedgehog cooler is a bunch of crap. sure it can conduct heat well, but it can't radiate it out to the air as well as Aluminum can. I saw a website a while ago say the exact thing. it was one of the first websites that actually compared it to others.

in order to make up for bad natural radiation of heat, you have to pump as much air through your heatsink as possible, thus you need a fan like the Hedgehog has. this forces more air to touch the heatsink, thus compensating for it's lack of ability to radiate heat.

conclusion? use copper for everything that has to do with transferring heat WITHIN the heatshink, yet aluminum to finish the transfer to the passing air.

However, I do not totally trust this site totally yet.. I don't think the Alpha would do that bad (the PAL6035).

just found something interesting on his website.. read this:

"The huge size of the Alpha results from a big, slow moving fan. Like the Swiftech model it has a body put together of single aluminum pins. Therefore, it has a big surface that absorbs the heat effectively. Due to its cooling performance of 40 degrees Celsius in our test, this cooler is number 4. The installation is a bit difficult as the mounting brackets sit very firmly."

perhaps he screwed up the names for the benchmarks? ie put them in the wrong order? ahh well..
 
Whitedog,

Accuracy is an issue, since the temp readings that Socket A mb's give are clearly very compressed. One easy example of this is the 5C difference betwene Idle and Full Load(which, even with poor HLT hardware options, would be a muhc bigger difference on a 60W cpu).

You claim they are consistent. Go to my first link in the thread above. Both JohnCar, Laughingman, and Shoartthing have numerous experiences, and long work expertise in thermodynamics. Those guys know their stuff.

Measuring from a secondary pathway results in both inaccurate results, and number that unpredictably accurate.

If Socket A temp readings showed full cpu temp changes, I wouldn't be complaining. But they don't. Much like hte Anandtech reviews PAL6035(.38C/W) only outperforming the C-orb(.55C/W) by 2c, when actual core temp difference is really something more like 12C. It is this compression of temp changes that makes comparison's impossible to do.

Obviously you have not read any of my posts. I do not complain about Tomhardware. I made issue, and helped to bring out a lot of information that was wrong on the Anandtech Heatsink review/comparison, and using socket a platforms for comparisons in general.

Also, if you could predict how the thermistor was off and still show temp changes in core effectively, i wouldn't say anything. IN that case, a simple modification/compensation in Motherboard Monitor would be all that is necessary to fix this problem.

But the socket A temp readings are not fixed this easily. They are inaccurate, and not even "relative" due to temp reading compression, which is caused by reading temp a secondary heat pathway.


Mike
 
What i dont like in all these reviews is the give a headgehog the FOP38 a nice fat fan, and they give my Alpha pal 6035 some sissy ass fan, all the heatsinks should idealy use the same FAN, since when u goto buy a heatsink , like from 2cooltek, u can choose ur fan
 
My guys?

Almost everyone here is probably my senior. From what i've heard, overclockers.com is going to be doing a heatsink comparison.


Mike
 
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