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Galaxy and Palit GeForce GTX 470s in SLI - Temperature and Sound Tests

By: Shawn Baker | NVIDIA SLI Articles in Video Cards | Posted: May 26, 2010 10:35 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 temperate from there, as seen in the picture.




The card which has the fan against the back of the second card runs very warm. In this case it was Palit. The Galaxy card which was sitting in the other slot ran significantly cooler.


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 of the card when idle (2D mode) and in load (3D mode).




Idle noise is nice; nothing at all to be worried about. As for load, it's a little louder than the reference card which is impressive considering we're dealing with two cards instead of one.


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