graphicstest AMD A8-3850 APU testing with a BIOSTAR TA75A+ and AMD Radeon HD 6550D 512MB on Ubuntu 14.04 via the Phoronix Test Suite. AMD Radeon HD 6550D: Processor: AMD A8-3850 APU @ 2.90GHz (4 Cores), Motherboard: BIOSTAR TA75A+, Chipset: AMD Family 12h Root Complex, Memory: 16384MB, Disk: 2000GB Western Digital WD20EARX-00P, Graphics: AMD Radeon HD 6550D 512MB, Audio: ATI R6xx HDMI, Monitor: RDT234WX + RDT234WX, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 14.04, Kernel: 3.13.0-63-generic (x86_64), Desktop: Unity 7.2.5, Display Server: X Server 1.15.1, Display Driver: fglrx 15.20.2, OpenGL: 4.4.13374, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1920x1080 Unigine Heaven 4.0 1920 x 1080 Frames Per Second > Higher Is Better AMD Radeon HD 6550D . 2.79 |=================================================== Unigine Sanctuary 2.3 1920 x 1080 Frames Per Second > Higher Is Better AMD Radeon HD 6550D . 17.27 |================================================== Unigine Tropics 1.3 1920 x 1080 Frames Per Second > Higher Is Better AMD Radeon HD 6550D . 16.04 |==================================================