Running Unigine benchmark Valley on linux (in FullHD).
Capture with ffmpeg (x11grab) recording directly to RAM.
Unigine Engine by Russian team from Tomsk.
HW running Unigine:
CPU: AMD FX(tm)-8150 Eight-Core Processor ()
RAM: 16 Gb (1333Mhz)
GPU: GeForce GTX 570 with Driver
Custom Kernel: Linux 3.8
OS: GNU/Linux Debian Wheezy