Radeon Software Crimson ReLive Edition 17.6.2 Highlights
Fixed Issues
Performance in DiRT4™ when using 8xMSAA is lower than expected with the latest game build.
http://support.amd.com/en-us/kb-art...mson-ReLive-Edition-17-6-2-Release-Notes.aspx
Fixed Issues

http://support.amd.com/en-us/kb-art...mson-ReLive-Edition-17-6-2-Release-Notes.aspx