ram AMD Phenom II X2 550 testing with a Gigabyte GA-880GMA-UD2H and Gigabyte AMD Radeon HD 4250 512MB on Ubuntu 14.04 via the Phoronix Test Suite. AMD Phenom II X2 550: Processor: AMD Phenom II X2 550 @ 3.10GHz (2 Cores), Motherboard: Gigabyte GA-880GMA-UD2H, Chipset: AMD RS880, Memory: 3584MB, Disk: 300GB Maxtor 6L300S0 + 1000GB Seagate ST31000528AS + 2 x 4001GB Western Digital WD40EFRX-68W, Graphics: Gigabyte AMD Radeon HD 4250 512MB, Audio: Realtek ALC892, Monitor: DELL 2405FPW + HH251, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 14.04, Kernel: 3.13.0-43-generic (x86_64), Desktop: Unity 7.2.2, Display Server: X Server 1.15.1, Display Driver: radeon 7.3.0, Compiler: GCC 4.8, File-System: btrfs, Screen Resolution: 1920x1080 RAMspeed SMP 3.5.0 Integer Add MB/s > Higher Is Better AMD Phenom II X2 550 . 6645.16 |=============================================== RAMspeed SMP 3.5.0 Integer Copy MB/s > Higher Is Better AMD Phenom II X2 550 . 7239.83 |=============================================== RAMspeed SMP 3.5.0 Integer Scale MB/s > Higher Is Better AMD Phenom II X2 550 . 7047.21 |=============================================== RAMspeed SMP 3.5.0 Floating-Point Add MB/s > Higher Is Better AMD Phenom II X2 550 . 7970.60 |=============================================== Stream 2013-01-17 Add MB/s > Higher Is Better AMD Phenom II X2 550 . 8621.03 |=============================================== Stream 2013-01-17 Copy MB/s > Higher Is Better AMD Phenom II X2 550 . 7503.66 |=============================================== Stream 2013-01-17 Scale MB/s > Higher Is Better AMD Phenom II X2 550 . 7820.13 |=============================================== CacheBench Read Cache MB/s > Higher Is Better AMD Phenom II X2 550 . 1754.41 |=============================================== CacheBench Write Cache MB/s > Higher Is Better AMD Phenom II X2 550 . 9568.24 |===============================================