DRI2 vs. DRI3 Radeon Linux OpenGL Performance
Written by Michael Larabel in Display Drivers on 1 November 2015. Page 3 of 4. 47 Comments

When running Xonotic with low image quality settings, all three AMD GPUs were running faster with DRI3 enabled.

With high image quality settings, all of the graphics cards benefited from DRI3 but the HD 6870 to a lesser extent.

When running the Xonotic open-source first person shooter with its maximum visuals, the R9 290 and HD 6870 continued to deliver greater frame-rates with DRI3 enabled.

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