MemoryResult KVM VMware testing on CentOS Linux 7 via the Phoronix Test Suite. MemoryConfig: Processor: Intel Core i5-5200U (1 Core), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX 82441FX PMC, Memory: 1024MB, Disk: 2 x 9GB VBOX HDD, Graphics: VMware SVGA II, Audio: Intel 82801AA AC 97 Audio, Network: 2 x Intel 82540EM OS: CentOS Linux 7, Kernel: 3.10.0-514.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 2048x2048, System Layer: KVM VMware RAMspeed SMP 3.5.0 Type: Copy - Benchmark: Integer MB/s > Higher Is Better MemoryConfig . 5250.16 |======================================================= RAMspeed SMP 3.5.0 Type: Copy - Benchmark: Floating Point MB/s > Higher Is Better MemoryConfig . 5362.45 |=======================================================