mem_benchmark Intel Core i5 580M testing with a Dell 0667CC and Intel Core IGP on Ubuntu 14.04 via the Phoronix Test Suite. Intel Core i5 580M: Processor: Intel Core i5 580M @ 2.67GHz (4 Cores), Motherboard: Dell 0667CC, Chipset: Intel Core DRAM, Memory: 4096MB, Disk: 750GB TOSHIBA MK7559GS, Graphics: Intel Core IGP, Audio: Intel 5 /3400, Network: Intel 82577LM Gigabit Connection + Intel Centrino Advanced-N 6200 OS: Ubuntu 14.04, Kernel: 3.16.0-37-generic (x86_64), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1440x900 RAMspeed SMP 3.5.0 Integer Add MB/s > Higher Is Better Intel Core i5 580M . 5877.95 |================================================= RAMspeed SMP 3.5.0 Integer Copy MB/s > Higher Is Better Intel Core i5 580M . 5496.87 |================================================= RAMspeed SMP 3.5.0 Integer Scale MB/s > Higher Is Better Intel Core i5 580M . 6339.90 |================================================= RAMspeed SMP 3.5.0 Floating-Point Add MB/s > Higher Is Better Intel Core i5 580M . 5866.58 |================================================= Stream 2013-01-17 Add MB/s > Higher Is Better Intel Core i5 580M . 7037.54 |================================================= Stream 2013-01-17 Copy MB/s > Higher Is Better Intel Core i5 580M . 6642.51 |================================================= Stream 2013-01-17 Scale MB/s > Higher Is Better Intel Core i5 580M . 6509.34 |================================================= CacheBench Read Cache MB/s > Higher Is Better Intel Core i5 580M . 2530.60 |================================================= CacheBench Write Cache MB/s > Higher Is Better Intel Core i5 580M . 12477.01 |================================================