x5650 x264 4 cores KVM VirtualBox testing on Debian 8.6 via the Phoronix Test Suite. Debian 8.5: Processor: Intel Xeon X5650 @ 3.41GHz (4 Cores), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 2048MB, Disk: 21GB VBOX HDD, Graphics: LLVMpipe, Audio: Intel 82801AA AC 97 Audio, Network: Intel 82540EM Gigabit OS: Debian 8.6, Kernel: 3.16.0-4-amd64 (x86_64), Desktop: GNOME Shell 3.14.4, Display Server: X Server 1.16.4, Display Driver: modesetting 0.9.0, OpenGL: 3.0 Mesa 10.3.2 Gallium 0.4, Compiler: GCC 4.9.2, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM VirtualBox x264 2015-11-02 H.264 Video Encoding Frames Per Second > Higher Is Better Debian 8.5 . 89.57 |===========================================================