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.
Rumors have been running rampant that the GTX 400 series is going to run hot and our digital thermometer doesn't lie. You can see that the card runs significantly warmer than any other single GPU offering and even runs hotter than the hotter running core on the HD 5970.
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).
The high heat level isn't because the fan is spinning quietly either. At between 55dB to 65dB you can't tell a whole lot of difference between a card. When you get into the 70dB zone, though, you can clearly hear it over other things like ambient noise.
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