ati_radeon280x_ubuntu_14.10 Intel Core i5-4690K testing with a ASRock Z97 Pro4 and MSI AMD Radeon HD 7900 3072MB on Ubuntu 14.10 via the Phoronix Test Suite. ati_radeon280x_ubuntu_14.10: Processor: Intel Core i5-4690K @ 4.50GHz (4 Cores), Motherboard: ASRock Z97 Pro4, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 240GB SSD2SC240G1SA754 + 1000GB Western Digital WD10EZEX-60M + 500GB Western Digital WD5000AAKS-7, Graphics: MSI AMD Radeon HD 7900 3072MB (972/1250MHz), Audio: Intel 9 Family HD Audio, Monitor: DELL ST2421L + DELL ST2421L, Network: Intel Connection + Qualcomm Atheros AR93xx Wireless OS: Ubuntu 14.10, Kernel: 3.16.0-29-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: fglrx 14.20.7, OpenGL: 4.4.12968, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 1920x1080 1080p H.264 Video Playback 1.1 Video Decoding: GL2 Percent ati_radeon280x_ubuntu_14.10 . MIN: 1.0 AVG: 2.0 MAX: 5.9