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Crossfire HD 2900 XT vs. 8800 Ultra - Temperature and Sound Tests


By: | AMD CrossFire Articles in Video Cards | Posted: Jul 6, 2007 4:00 am

Temperature Tests

 

 

With the TES 1326 Infrared Thermometer literally in hand we found ourselves getting real-world temperatures from the products we test at load (3D clock speeds).

 

There are two places we pull temperature from - the back of the card directly behind the core, and if the card is dual-slot and has an exhaust point we also pull a temperature from there, as seen in the picture.

 

 

Even though we have two cards in Crossfire, the heat output on them is generally lower than that of the Ultra which is nice. We honestly thought that we would be pumping out a bit more heat

 

Sound Tests

 

 

Pulling out the TES 1350A Sound Level Meter we find ourselves quickly yelling into the top of it to see how loud we can be.

 

After five minutes of that we get a bit more serious and place the device two CM away from the fan on the card to find the maximum noise level when idle (2D mode) and in load (3D mode).

 

 

The noise levels on the Crossfire setup are clearly louder, even when at idle. It may bother some people so it's something worth thinking about.

 

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