The installer is only ~50 Mb. The application will download additional data (the download size is depending on your machine's GPU capabilites, 40-180 Mb).

System requirements:

• 700 Mb free disk space
• OpenGL 3.0 capable graphics card with the appropriate drivers.
• For AMD and Nvidia proprietary video drivers are strongly recommended.
• Car Chase and Manhattan 3.1 require OpenGL 4.3.

Installing:

1. Download installer
2. Open a terminal
3. Change the downloaded file permission to make it executable:
   $ chmod +x gfxbench_gl-linux-qt-4.0.0+community_64bit.sh
4. Start the installer and accept the EULA license (End User License Agreement):
   $ ./gfxbench_gl-linux-qt-4.0.0+community_64bit.sh

Notes:

The necessary packages out of the box has been installed on Ubuntu 14.04 Trusty. On Fedora 23 Workstation Edition, the libpng12 package has to be installed:
$ sudo dnf install libpng12

Launch GFXBench:

1. Enter installation directory for GFXBench:
   $ cd gfxbench_gl-linux-qt-4.0.0+community
2. Start GFXBench
   $ ./start.sh

Known issues:

On AMD Radeon Car Chase may contain rendering artifacts.

Workaround for crash on Debian 8 (Intel GPU). Create a file /etc/X11/xorg.conf.d/20-intel.conf with the following content:

Section "Device"
    Identifier  "Intel Graphics"
    Driver      "intel"
    Option      "AccelMethod"  "sna"
    Option      "TearFree"    "true"
EndSection

and restart X.