The scary thing is the amd cards of the last few years have had vapour chambers on them, 6950, 6970 and 6990 all have them and all run pretty hot. Pretty sure the 5970 also had one, though im not sure about the 7 series.
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AMD Radeon R9 290X with Hawaii GPU pictured, has 512-bit 4GB Memory
- Thread starter LtMatt
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The scary thing is the amd cards of the last few years have had vapour chambers on them, 6950, 6970 and 6990 all have them and all run pretty hot. Pretty sure the 5970 also had one, though im not sure about the 7 series.
All of them could be improved 30% if they just used the fan and outward sides with exposed fins.
His, Artic cooling and Gecube had blower type coolers that were nearly silent in the past
http://www.techpowerup.com/reviews/GeCube/Radeon_HD_3850_X-Turbo-III/3.html
http://www.guru3d.com/articles_pages/his_radeon_hd_3850_iceq_3_turbox_review,6.html
Ok they did not have 300w cooling capacity but they had put some thought into them unlike all the newer stuff where they just block up the exhaust port
with connectors very few use to save $5 on an adapter
His, Artic cooling and Gecube had blower type coolers that were nearly silent in the past
http://www.techpowerup.com/reviews/GeCube/Radeon_HD_3850_X-Turbo-III/3.html
http://www.guru3d.com/articles_pages/his_radeon_hd_3850_iceq_3_turbox_review,6.html
Ok they did not have 300w cooling capacity but they had put some thought into them unlike all the newer stuff where they just block up the exhaust port
with connectors very few use to save $5 on an adapter
Soldato
I'm still waiting for an explanation of how the vapour chambers work upside down
http://www.bit-tech.net/custompc/features/602193/vapour-chamber-cooling-explained.html
Soldato
All the AMD cards ive had since the 4870 have had rubbish stock coolers, the only time i would buy a card with one was if it was going under water. I will wait for the non ref 290 to come out and decide if im jumping in this round or waiting until refresh.
Our 290X are £429.95 and most expensive at £455.99, what are you seeing at £590?
Cheers
wasn't actually how they work more of how they can work efficiently on their side or upside down. Like heatpipes they all work better with the condenser area higher than the evaporator and the coolant not fighting gravity.
Associate
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Not on overclockers. (Was responding directly to the post I quoted).
Soldato
Cheers
I was of the understanding that the pressure of the heated vapour forced the liquid back the starting point which is why the orientation didn't matter so much. Well, with heatpipes at least.
Could be wrong.
Associate
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Custom Radeon R9 290X available in late November
http://videocardz.com/47269/custom-radeon-r9-290x-available-late-november
Awesome news
http://videocardz.com/47269/custom-radeon-r9-290x-available-late-november
Awesome news
Yes the sintered wick type pipes claim to do that sort of thing, suppose as with all these things we have no way of knowing how good the vacuum and quantity of fluid is in all these things...if indeed the cheap ones have anything in them
Noctua actually advise you to mount with the heatpipes so you would get a natural return to the heat source
And let's not forget water is supposed to change state in a vacuum so it might not just be hot and cold vapour
I'll have to read through this as a refresher
http://en.wikipedia.org/wiki/Heat_pipe
Soldato
Ack! Too technical for me 
The decent aircoolers seem to work well enough when mounted sideways, so I'll just have to take their word for it
If I was still running the K2, I'd do a flat vs perpendicular test to see if there's a difference.
The decent aircoolers seem to work well enough when mounted sideways, so I'll just have to take their word for it
If I was still running the K2, I'd do a flat vs perpendicular test to see if there's a difference.
Ack! Too technical for me
The decent aircoolers seem to work well enough when mounted sideways, so I'll just have to take their word for it
If I was still running the K2, I'd do a flat vs perpendicular test to see if there's a difference.
not even really like we can do much about it anyway most of the time.Back to the 290X
Soldato
^^ This, the 290X is worthy of a better reference cooler. The non reference cards should be awesome though.
Associate
HAHAHAHAHA! That was a legendary card for all the wrong reasons. It must be said most reference cards are pretty damn loud at 100%, just tried it with my GTX680 and it's bloody noisy.
Soldato
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Haha, the FX 5800 Ultra. I bought 1. I regret that decision lol. It literally was a vacuum cleaner level of sound.
The whole 5000 series was pretty tragic - fortunatly managed to get my hands on a 5900XT Golden Sample that did 50% or so core and memory clocks and made it about useable without having to pickup a 9x00 pro.
Soldato
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I was a bit of an nvidia fanboy back then, and bought in to the hype machine of the FX series. Actually from what I remember it did perform well enough, but dear god - THAT noise!
http://videocardz.com/47269/custom-radeon-r9-290x-available-late-november
The rest is just a puff piece, but that quote is worrying. OcUK could really clean up with the Tech Labs solutions in the meantime.
The rest is just a puff piece, but that quote is worrying. OcUK could really clean up with the Tech Labs solutions in the meantime.