vbox-cpu Intel Core 2 Duo P9xxx testing with a QEMU Standard PC (i440FX + PIIX 1996) and Red Hat QXL paravirtual graphic card on OracleServer 6.8 via the Phoronix Test Suite. vbox: Processor: Intel Core i5-4200M @ 2.49GHz (2 Cores), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 5120MB, Disk: 55GB VBOX HDD, Graphics: Chromium, Monitor: VBOX monitor, Network: Intel 82540EM Gigabit OS: OracleServer 6.8, Kernel: 3.8.13-118.10.2.el6uek.x86_64 (x86_64), Desktop: GNOME 2.28.2, Display Server: X Server 1.17.4, Display Driver: modesetting 1.17.4, OpenGL: 2.1, Compiler: GCC 4.4.7 20120313, File-System: ext4, Screen Resolution: 1016x976, System Layer: VirtualBox kvm4: Processor: Intel Core 2 Duo P9xxx @ 2.55GHz (4 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 4500 MB RAM QEMU, Disk: 22GB, Graphics: Red Hat QXL paravirtual graphic card, Audio: Generic 1af4 ID 22, Network: Red Hat Virtio device OS: OracleServer 6.8, Kernel: 3.8.13-118.10.2.el6uek.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4 SciMark 2.0 Computational Test: Composite Mflops > Higher Is Better vbox . 815.57 |================================================================ kvm4 . 430.69 |================================== SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better vbox . 257.20 |================================================================ kvm4 . 149.26 |===================================== SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better vbox . 177.91 |================================================================ kvm4 . 92.05 |================================= SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better vbox . 1289.21 |=============================================================== kvm4 . 645.61 |================================ SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better vbox . 1497.13 |=============================================================== kvm4 . 635.00 |=========================== SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation Mflops > Higher Is Better vbox . 856.40 |================================================================ kvm4 . 631.51 |=============================================== 7-Zip Compression 9.20.1 Compress Speed Test MIPS > Higher Is Better vbox . 5401 |===================================================== kvm4 . 6691 |================================================================== C-Ray 1.1 Total Time Seconds < Lower Is Better vbox . 130.59 |================================================================ kvm4 . 93.77 |============================================== Gzip Compression 2GB File Compression Seconds < Lower Is Better vbox . 14.94 |=========================================== kvm4 . 22.67 |=================================================================