Update on AMD Responds to R9 290 Series Performance Variance
 

On November 5th we reported AMD's official statement on R9 290 Series Performance Variance issues. AMD has now updated us with another statement on the specifics of the issue, and that the fix is in place thanks to a new driver. Hello, We've identified that there's variability in fan speeds across AMD R9 290 series boards. This variability in fan speed translates into variability of the cooling capacity of the fan-sink. The flexibility of AMD PowerTune technology enables us to correct this variability in a driver update. This update will normalize the fan RPMs to the correct values. The correct target RPM values are 2200RPM for the AMD Radeon R9 290X "Quiet mode", and 2650RPM for the R9 290. You can verify these in GPU-Z. If you're working on stories relating to R9 290 series products, please use this driver as it will reduce any variability in fan speeds. This driver will be posted publicly tonight.

http://www.hardocp.com/news/2013/11/...c e_variance/