The Witcher 3: Wild Hunt is currently gaining more and more popularity with every passing day. Apart from being the best game to come out this year, it also happens to be one of the most hardware demanding games in the market right now. The performance on Nvidia cards was reported good enough with the GTX 970 getting about 48 frames with everything maxed out along with 1080p resolution. However, same can’t be said for the AMD cards; users have reported poor performance on AMD cards along with some other bugs.
Luckily, there is a workaround to encounter these issues. You can simply download and copy 4 DLL files into your Witcher 3 directory and you will notice significant frame rate increase, specially on GPUs like 7850 and above (includes all the R9 series)
Download the DLL files from here and simply copy to them to the location of your game \Witcher 3 The Wild Hunt\The Witcher 3 Wild Hunt\bin\x64 and you’re set to go. In case you need to uninstall it, simply delete the files you downloaded.