Prueba con controlador privativo "update"
Controlador en uso, se ve medio mal el uso de cpu :/
driver catalyst update :
Processor: Intel Pentium E5200 @ 2.50GHz (2 Cores), Motherboard: Gigabyte G31M-S2C, Chipset: Intel 82G33/G31/P35/P31 + ICH7, Memory: 4096MB, Disk: 320GB SAMSUNG HD322HJ, Graphics: Sapphire AMD Radeon HD 5450 1024MB, Audio: Intel NM10/ICH7, Monitor: SMB2030N, Network: Realtek RTL8101/2/6E
OS: Ubuntu 14.04, Kernel: 3.19.0-64-generic (x86_64), Desktop: Unity 7.2.6, Display Server: X Server 1.15.1, Display Driver: fglrx 15.20.3, OpenGL: 4.3.13399, OpenCL: OpenCL 2.0 AMD-APP (1800.11), Compiler: GCC 4.8.4, File-System: ext4, Screen Resolution: 1600x900
Environment Notes: LIBGL_DRIVERS_PATH=/usr/lib/fglrx/dri:/usr/lib/x86_64-linux-gnu/dri:/usr/lib/dri:/usr/lib32/fglrx/dri:/usr/lib/i386-linux-gnu/dri
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
GpuTest
GpuTest is a cross-platform OpenGL benchmark developed at Geeks3D.com that offers tech demos such as FurMark, TessMark, and other workloads to stress various areas of GPUs and drivers. Learn more via the OpenBenchmarking.org test page.
driver catalyst update :
Processor: Intel Pentium E5200 @ 2.50GHz (2 Cores), Motherboard: Gigabyte G31M-S2C, Chipset: Intel 82G33/G31/P35/P31 + ICH7, Memory: 4096MB, Disk: 320GB SAMSUNG HD322HJ, Graphics: Sapphire AMD Radeon HD 5450 1024MB, Audio: Intel NM10/ICH7, Monitor: SMB2030N, Network: Realtek RTL8101/2/6E
OS: Ubuntu 14.04, Kernel: 3.19.0-64-generic (x86_64), Desktop: Unity 7.2.6, Display Server: X Server 1.15.1, Display Driver: fglrx 15.20.3, OpenGL: 4.3.13399, OpenCL: OpenCL 2.0 AMD-APP (1800.11), Compiler: GCC 4.8.4, File-System: ext4, Screen Resolution: 1600x900
Environment Notes: LIBGL_DRIVERS_PATH=/usr/lib/fglrx/dri:/usr/lib/x86_64-linux-gnu/dri:/usr/lib/dri:/usr/lib32/fglrx/dri:/usr/lib/i386-linux-gnu/dri
Processor Notes: Scaling Governor: acpi-cpufreq ondemand
Testing initiated at 6 July 2016 02:54 by user hogar.