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AMD Radeon Gallium3D Is Catching Up & Sometimes Beating Catalyst On Linux
While Team Fortress 2 was faster with the open-source Radeon drivers, the system power consumption as measured by the WattsUp Pro was also higher averages than under Catalyst.
As a result of the higher power consumption, the power efficiency of the open-source driver on Team Fortress 2 fell behind the Catalyst binary blob.