aws New AWS_1core: Processor: Intel Xeon E5-2676 v3 @ 2.40GHz (1 Core), Motherboard: Xen HVM domU, Memory: 1 x 1024 MB RAM, Disk: 10GB OS: Red Hat Enterprise Linux Server 7.2, Kernel: 3.10.0-327.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.2.amazon AWS_2core: Processor: Intel Xeon E5-2676 v3 @ 2.40GHz (2 Cores), Motherboard: Xen HVM domU, Memory: 1 x 4096 MB RAM, Disk: 10GB OS: Red Hat Enterprise Linux Server 7.2, Kernel: 3.10.0-327.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.2.amazon PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better AWS_1core . 528 |======== AWS_2core . 3866 |============================================================= AIO-Stress 0.21 Test: Random Write MB/s > Higher Is Better AWS_1core . 77.10 |==================== AWS_2core . 229.32 |=========================================================== RAMspeed SMP 3.5.0 Type: Average - Benchmark: Floating Point MB/s > Higher Is Better AWS_1core . 8433.63 |============================= AWS_2core . 16380.56 |=========================================================