AMD Radeon HD 7790: Affordable DX11 Gaming
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The power consumption numbers we recorded are right in line with expectations, based on the performance we've seen thus far. The Radeon HD 7790 cards used somewhat more power than the Radeon HD 7770 but a bit less than the Radeon HD 7850. In this class of cards, the highest performers also happened to consume the most power--no surprises there.
Temperature data was all over the map. The custom coolers on the Asus and Sapphire Radeon HD 7790 cards clearly do a good job keeping high temperatures at bay, especially considering that the cards ran cooler than the low-performing Radeon HD 7770.
In terms of noise, there's not much to report. The Asus and Sapphire Radeon HD 7790 cards we tested were both very quiet. While idling or with minimal workloads, the cards were inaudible over our CPU and PSU fans. Under load, they were both slightly louder as their fans spun up, but neither could be considered noisy by any measure.
