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Report: graphics cards and thermal characteristics
by Damien Triolet
Published on April 20, 2010

GeForce GTX 590
For its very high end bi-GPU, NVIDIA, like AMD with the Radeon HD 6990, has gone for a cooling system that expels air from the centre of the card towards its extremeties. A good deal of the hot air therefore circulates within the casing.

With extreme energy consumption, announced at 365W in standard usage but 450W in heavy loads, it’s important to observe what impact this might have on the other components in the system.




Infrared thermography

System at idle.


System in load.


Graphics card at idle.


Graphics card in load.

Although the card is well cooled at idle, it heats up a great deal in load. As a great deal of hot air remains inside the casing, the temperature of all the components increases significantly.


Temperature and noise readings

Looking at these results, it’s obvious that NVIDIA has opted for lower noise levels here, to the detriment of temperature levels. It’ll therefore be necessary to make sure the casing is well cooled, giving special attention to the hard drive bay.

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