Ab VirtualBox testing on Ubuntu 14.04 via the Phoronix Test Suite. VMware: Processor: Intel Core i3-4010U @ 1.66GHz (1 Core), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 6144MB, Disk: 9GB VBOX HDD, Graphics: InnoTek VirtualBox, Audio: Intel 82801AA AC 97 Audio, Network: Intel 82540EM Gigabit OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (i686), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: modesetting 0.8.1, Compiler: GCC 4.8.2, File-System: SquashFS, Screen Resolution: 1024x768, System Layer: VirtualBox RAMspeed SMP 3.5.0 Type: Average - Benchmark: Integer MB/s > Higher Is Better VMware . 5361.26 |============================================================= RAMspeed SMP 3.5.0 Type: Average - Benchmark: Floating Point MB/s > Higher Is Better VMware . 6271.08 |=============================================================