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all right guys so I'm going to take a slightly different approach to my

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temperature and Acoustics testing than I

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normally do this is with the HD

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6990 so what I'm going to do is instead of holding my camera here close to the

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fan I'm actually going to hold it above

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the card right here and the reason I'm

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going to do that is because there's two things I'm going to compare it against

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I'm going to compare it against a single GTX 5 80 and I'm going to compare it

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against two GTX 580s in SLI so that'll

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give us a comparison against a high

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powerered single card as well as two high powered cards running in tandem so

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here's our idle temperature reading which is 39 to

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38° in this particular room all right so

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we've got our load temperature for the radon 6990 and uh that is 8 2° and oh man you

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guys can't see this at all can you focus focus focus focus come on focus on my

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hand focus on the screen whatever you'll have to take my word for it 82° and 87°

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on each of the gpus so I'm fairly certain that the 82° is on this GPU and

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the 87° is on this GPU and I think the reason for that is that this Grill at

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the back is more restrictive or uh at

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yeah than this Grill at the front of the card because as soon as I go like this

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this the cooler GPU starts to heat up to the same kind of temperatures as the

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less cool GPU so uh that's something

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maybe they uh if you installed an aftermarket less restrictive Grill on

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your card you might have some success keeping down your GPU temperatures a

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little bit all right so right now I'm running only one of the gpus uh at its

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fan speed uh at its load fan speed so this is at

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91° in furmark so this is the EVGA card

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that's running because remember wind openg GL programs will not run in SLI

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mode and for my two card Acoustics test

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I'm just going to take both cards I'm going to turn them up to the same percentage fan speed manually because I

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can't be bothered to run it and open our in full screen mode and change the exe

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and all those little tricks so the fan speed's around 80% so I'm just going to

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turn both fan speeds to 80% and take a

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reading

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and just for last guys here's 100% fan

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speed on the 6990 although it never ramped up to this speed during my

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testing so I'm going to be turning off auto in After Burner go away cat turning

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off auto and after burner and watch the piece of paper on the wall when I click

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apply okay bear in mind the card is here so it's about yay far away from the wall

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okay oh watch the cat too this might be funny

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see it's lifted away from the wall so in conclusion the Radeon 6990 is

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pretty darn loud but it's also pretty darn powerful don't forget to subscribe

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