Does and still support CrossFire?
The CrossFire brand name was retired by AMD in September 2017, however the company continues to develop and support the technology for DirectX 11 applications.
How do I enable CrossFire?
Configuring AMD CrossFire
- Right-click on the Desktop and select AMD Radeon Software.
- In Radeon™ Software, click on the Gear icon, select Graphics from the sub-menu, then click on Advanced.
- Locate the AMD Crossfire option and toggle AMD Crossfire Mode.
- Click OK.
Do all games support CrossFire?
Nearly all games today support CrossfireX and SLI. However, just like Dulith said, get a better single GPU graphics card instead of crosfiring them.
How do I know CrossFire is working?
When AMD CrossFire™ support is enabled, you can choose to show the AMD CrossFire logo when running 3D applications in full screen mode. This logo (as shown below) appears in the top-right corner of the screen to indicate that AMD CrossFire™ support is enabled. When AMD CrossFire™ support is disabled, no logo is shown.