AMD has released a new Catalyst beta driver for Windows

Highlights of AMD Catalyst 14.9.2 Windows Beta Driver Performance Improvements

Mantle API activated for ultimate performance in Sid Meier's Civilization: Beyond Earth
Dual Graphics optimizations for KritiKa and SheDiaoZero
Project Cars profile update

Resolved Issues

Alien: Isolation: AMD CrossFire profile updated to detect new .exe of recent application patch
[404762]: Total War: Rome 2 sometimes displaying texture corruption when on the campaign map in CrossFire configurations
[400500]: Total War: Rome 2 occasionally stutters when task switching between applications
[406501]: Watch Dogs occasionally has negative performance in CrossFire configurations on medium game settings
[402840]: Max Payne 3 cinematic cut scenes intermittently show flickering
[403798]: FIFA 2015 CrossFire scaling sometimes underperforming expectations
[401984]: Metro Redux CrossFire scaling sometimes underperforming expectations
[397343]: Middle-Earth: Shadow of Mordor occasionally shows flashing when running CrossFire configurations
[406978]: White patches occasionally observed in CCC when dragging display icons
[406997]: Upgrading from previous 14.4 Catalyst drivers with dual AMD Radeon R9 295 in CrossFire may cause a black screen or system hang

Known Issues

[407993]: F1 2014 exhibits minimal scaling in some CrossFire configurations
[407864]: Hitman Absolution intermittently crashes when starting a new game on AMD Radeon R9 285
[407834]: FIFA 2015 occasionally displays flickering in Asymmetric CrossFire configurations
[407622]: Alien Isolation will sometimes exhibit screen tearing with V-Sync enabled
[407431]: Minecraft sometimes produces corruption when changing video settings in windowed mode. As a work around please select Use VBOs to On in the Video Settings in game.
[407338]: XDMA Quad CrossFire configurations in portrait Eyefinity modes sometimes display tearing or stuttering
[407756]: Launching Battlefield 4 in offline mode can occasionally lead to a crash
[408033]: Launching Civilization: Beyond Earth with a 144 Hz display can sometimes cause the app to hang. As a work around lower the refresh rate of the monitor.
[408007]: Civilization: Beyond Earth can sometimes hang on a small limited set of Kaveri mobile APU products when paired with discrete graphics products in Windows 7

  AMD Catalyst 14.9.2 Beta Windows Driver