elitebook-8740w Intel Core i5 520M testing with a HP 1520 and AMD Mobility Radeon HD 5870 1024MB on Debian testing via the Phoronix Test Suite. Debian stretch/Mesa/EliteBook8740w: Processor: Intel Core i5 520M @ 2.40GHz (4 Cores), Motherboard: HP 1520, Chipset: Intel Core DRAM, Memory: 4096MB, Disk: 256GB OCZ VECTOR, Graphics: AMD Mobility Radeon HD 5870 1024MB, Audio: IDT 92HD75B3X5, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300 OS: Debian testing, Kernel: 4.3.0-1-amd64 (x86_64), Desktop: KDE Frameworks 5, Display Server: X Server 1.18.0, Display Driver: radeon 7.6.1, OpenGL: 3.3 Mesa 11.1.1 Gallium 0.4, Compiler: GCC 5.3.1 20160121, File-System: ext4, Screen Resolution: 1680x1050 AMD Mobility Radeon HD 5870: Processor: Intel Core i5 520M @ 2.40GHz (4 Cores), Motherboard: HP 1520, Chipset: Intel Core DRAM, Memory: 4096MB, Disk: 256GB OCZ VECTOR, Graphics: AMD Mobility Radeon HD 5870 1024MB, Audio: IDT 92HD75B3X5, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300 OS: Debian testing, Kernel: 4.3.0-1-amd64 (x86_64), Desktop: KDE Frameworks 5, Display Server: X Server 1.18.0, Display Driver: radeon 7.6.1, OpenGL: 3.3 Mesa 11.1.1 Gallium 0.4, Compiler: GCC 5.3.1 20160121, File-System: ext4, Screen Resolution: 1680x1050 Xonotic 0.8 Resolution: 1680 x 1050 - Effects Quality: High Frames Per Second > Higher Is Better Debian stretch/Mesa/EliteBook8740w . 95.87 |=================================== Unigine Tropics 1.3 Resolution: 1680 x 1050 - Mode: Fullscreen Frames Per Second > Higher Is Better AMD Mobility Radeon HD 5870 . 78.66 |==========================================