gallium AMD A8-3870 APU testing with a Gigabyte GA-A75N-USB3 and Gigabyte AMD Radeon HD 6550D 512MB on Fedora 20 via the Phoronix Test Suite. Gigabyte AMD Radeon HD 6550D: Processor: AMD A8-3870 APU @ 3.00GHz (4 Cores), Motherboard: Gigabyte GA-A75N-USB3, Chipset: AMD Family 12h Root Complex, Memory: 8192MB, Disk: 180GB INTEL SSDSC2CW18, Graphics: Gigabyte AMD Radeon HD 6550D 512MB, Audio: ATI R6xx HDMI, Monitor: ASUS VH242, Network: Realtek RTL8111/8168/8411 OS: Fedora 20, Kernel: 3.11.10-301.fc20.x86_64 (x86_64), Desktop: GNOME Shell 3.10.2.1, Display Server: X Server 1.14.4, Display Driver: radeon 7.2.99, OpenGL: 3.1 Mesa 9.2.4 Gallium 0.4, Compiler: GCC 4.8.2 20131212, File-System: ext4, Screen Resolution: 1920x1080 Nexuiz 2.5.2 Resolution: 1920 x 1080 - HDR: Yes - Sound: On Frames Per Second > Higher Is Better Gigabyte AMD Radeon HD 6550D . 16.06 |=========================================