guitk1 Intel Core i7-3770 testing with a ECS Z77H2-A2X Deluxe v2.0 and AMD Radeon HD 7900 3072MB on Ubuntu 14.04 via the Phoronix Test Suite. AMD Radeon HD 7900: Processor: Intel Core i7-3770 @ 3.40GHz (8 Cores), Motherboard: ECS Z77H2-A2X Deluxe v2.0, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 12288MB, Disk: 1000GB Hitachi HDS72101 + 3001GB Hitachi HDS72303 + 1000GB Seagate ST31000528AS + 1000GB Western Digital WD10EARS-22Y, Graphics: AMD Radeon HD 7900 3072MB, Audio: C-Media CMI8788, Monitor: DELL U2311H, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 14.04, Kernel: 3.13.0-48-generic (x86_64), Desktop: KDE 4.14.2, Display Server: X Server 1.15.1, Display Driver: fglrx 13.35.5, OpenGL: 4.3.12798, Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1920x1080 QGears2 OpenGL + Gears Frames Per Second > Higher Is Better AMD Radeon HD 7900 . 434.35 |================================================== QGears2 XRender + Text Frames Per Second > Higher Is Better AMD Radeon HD 7900 . 188.45 |================================================== QGears2 XRender + Gears Frames Per Second > Higher Is Better AMD Radeon HD 7900 . 167.63 |================================================== QGears2 OpenGL + Image Scaling Frames Per Second > Higher Is Better AMD Radeon HD 7900 . 3556.64 |================================================= QGears2 XRender + Image Scaling Frames Per Second > Higher Is Better AMD Radeon HD 7900 . 369.55 |================================================== GtkPerf 0.40 GtkComboBox Seconds < Lower Is Better AMD Radeon HD 7900 . 47.14 |=================================================== GtkPerf 0.40 GtkRadioButton Seconds < Lower Is Better AMD Radeon HD 7900 . 9.46 |==================================================== GtkPerf 0.40 GtkDrawingArea - Pixbufs Seconds < Lower Is Better AMD Radeon HD 7900 . 0.63 |====================================================