try VirtualBox 4.3.10_Ubuntur93012 testing on Ubuntu 14.04 via the Phoronix Test Suite. first try: Processor: Intel Core i7-3820QM @ 2.67GHz (1 Core), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 2048MB, Disk: 9GB VBOX HDD, Graphics: LLVMpipe, Audio: Intel 82801AA AC 97 Audio, Monitor: VBOX monitor, Network: Intel 82540EM Gigabit OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: modesetting 0.8.1, OpenGL: 2.1 Mesa 10.1.0 Gallium 0.4, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1172x865, System Layer: VirtualBox 4.3.10_Ubuntur93012 2014-05-27 12:48: Processor: Intel Core i7-3820QM @ 2.67GHz (1 Core), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 2048MB, Disk: 9GB VBOX HDD, Graphics: LLVMpipe, Audio: Intel 82801AA AC 97 Audio, Monitor: VBOX monitor, Network: Intel 82540EM Gigabit OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: modesetting 0.8.1, OpenGL: 2.1 Mesa 10.1.0 Gallium 0.4, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1264x923, System Layer: VirtualBox 4.3.10_Ubuntur93012 Apache Benchmark 2.4.7 Static Web Page Serving Requests Per Second > Higher Is Better first try ........ 5335.71 |=================================================== 2014-05-27 12:48 . 5323.15 |===================================================