The R9 290X GPU is known to become rather hot and cooling this chip with a reference and even a custom aircooler can be quite a challenge. In almost any case you will see thermal throttling. In this article we're going to compare the results of an ASUS R9 290X DirectCU II Cooled by Raijintek Morpheus versus the same card with its stock ASUS DirectCU II cooler. At this point a little teaser: the differences can be as high as 19 percent!