Radeon reference design 6970/6950 failure!

[pr0n Inspector]

I believe it's a vapor chamber cooler, eliminating the need for heatpipes essentially.

"vapor chamber" is a flat heat pipe.
See also: Retina Display

Crap site. Judging from the comments there, morons read it. Not a big deal. Only failure is the article author.

Well you just read it.



Also, it's first reported by a Chinese site.

 

[musek]

Crap site. Judging from the comments there, morons read it. Not a big deal. Only failure is the article author.

Thanks man. I's also nice to meet you.

 

[Magikherbs]

I don't think we'll see reference design coolers like that for a long time. what AMD and indeed Nvidia try to achieve is something as quiet as possible, as effective as possible, for the least price, so that they have more room to profit or move on the price of their cards if price-cuts need to come.

start throwing really effective high end air coolers on reference cards and the price will go up. they could just have their stock coolers bought from a company like say Arctic cooling, but I bet they make more money themselves selling them separately.

I see now that the copper plate is descently thick and seems to extend the length of the HSF. Whats not good is how closely spaced the aluminum fins are. Wider gaps would expose more of the copper plate and make it easier for the fan to push air through...

http://www.hardware.fr/medias/screenshots.php?id=IMG0030346

 

[pantherx12]

I see now that the copper plate is descently thick and seems to extend the length of the HSF. Whats not good is how closely spaced the aluminum fins are. Wider gaps would expose more of the copper plate and make it easier for the fan to push air through...

http://www.hardware.fr/medias/screenshots.php?id=IMG0030346

It's not just a copper plate by the way, it's a vapour chamber ( flattened heatpipe)

 

[Steevo]

I see now that the copper plate is descently thick and seems to extend the length of the HSF. Whats not good is how closely spaced the aluminum fins are. Wider gaps would expose more of the copper plate and make it easier for the fan to push air through...

http://www.hardware.fr/medias/screenshots.php?id=IMG0030346

More fins = more surface area to dissipate heat.

test cards, not reference cards so, wood screws VS a bit of plastic?

 

[Magikherbs]

It's not just a copper plate by the way, it's a vapour chamber ( flattened heatpipe)

More fins = more surface area to dissipate heat.

test cards, not reference cards so, wood screws VS a bit of plastic?

Wouldn't the extra copper surface area and increased airflow, offset the loss of 4-8 aluminum fins ? How strong is the air flow coming out the back ?

 

[pantherx12]

No, although they could use some half height copper fins to compensate for the loss of the allu fins, allows for greater airflow without sacrificing much surface area.

 

[Steevo]

laminar flow + google

If half the air coming out the back never touches or gets heat from the sink it does fuck all of good.

 

[pantherx12]

laminar flow + google

If half the air coming out the back never touches or gets heat from the sink it does fuck all of good.

They would only be half height at the start, in order to allow the air to get in the heatsink, after that the air has no option but to travel forward.

 

[Magikherbs]

ahh.. its like music to my ears.. or coolness to my fins

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