sato Intel Core i5 560M testing with a HP 1521 and NVIDIA Quadro FX 880M 1024MB on Ubuntu 14.10 via the Phoronix Test Suite. 8540w: Processor: Intel Core i5 560M @ 2.67GHz (4 Cores), Motherboard: HP 1521, Chipset: Intel Core DRAM, Memory: 8192MB, Disk: 320GB SAMSUNG HM321HI, Graphics: NVIDIA Quadro FX 880M 1024MB (550/790MHz), Audio: Intel 5 /3400, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300 OS: Ubuntu 14.10, Kernel: 3.16.0-24-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: nouveau 1.0.11, OpenGL: 3.3.0, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 1600x900 SmallPT GPU 1.6pts1 OpenCL Device: GPU - Resolution: 1600 x 900 - Scene: Caustic Samples/sec > Higher Is Better 8540w . 1415055309 |=========================================================== SmallPT GPU 1.6pts1 OpenCL Device: GPU - Resolution: 1600 x 900 - Scene: Cornell Samples/sec > Higher Is Better 8540w . 1415055439 |=========================================================== SmallPT GPU 1.6pts1 OpenCL Device: GPU - Resolution: 1600 x 900 - Scene: Caustic3 Samples/sec > Higher Is Better 8540w . 1415055557 |===========================================================