archlinux AMD Athlon 64 X2 4600+ testing with a Gigabyte M55S-S3 and NVIDIA GeForce GTS 450 1024MB on Arch via the Phoronix Test Suite. kde_3d_enabled: Processor: AMD Athlon 64 X2 4600+ @ 2.41GHz (2 Cores), Motherboard: Gigabyte M55S-S3, Chipset: NVIDIA MCP55, Memory: 4096MB, Disk: 1000GB SAMSUNG HD103SJ, Graphics: NVIDIA GeForce GTS 450 1024MB (783/1804MHz), Audio: Realtek ALC888 OS: Arch, Kernel: 3.2.1-1-ARCH (x86_64), Desktop: KDE 4.7.4, Display Server: X Server 1.11.3, Display Driver: NVIDIA 290.10, OpenGL: 4.2.0 NVIDIA 290.10, Compiler: GCC 4.6.2, File-System: ext4, Screen Resolution: 1920x1080 Nexuiz 2.5.2 1920 x 1080 w/ HDR Frames Per Second > Higher Is Better kde_3d_enabled . 83.95 |======================================================= Unigine Sanctuary 2.3 1920 x 1080 Frames Per Second > Higher Is Better kde_3d_enabled . 55.75 |======================================================= Unigine Tropics 1.3 1920 x 1080 Frames Per Second > Higher Is Better kde_3d_enabled . 45.73 |======================================================= GtkPerf 0.40 GtkDrawingArea - Pixbufs Seconds < Lower Is Better kde_3d_enabled . 3.80 |======================================================== QGears2 XRender + Image Scaling Frames Per Second > Higher Is Better kde_3d_enabled . 184.49 |======================================================