mac Intel Core 2 Duo testing with a Apple MacBook and NVIDIA GeForce 320M 256MB on Mac OS X 10.6.8 via the Phoronix Test Suite. mac1: Processor: Intel Core 2 Duo @ 2.40GHz (2 Cores), Motherboard: Apple MacBook, Chipset: NVIDIA MCP89, Memory: 2 x 1024 MB DDR3-1067MHz, Disk: 250GB TOSHIBA MK2555GSXF, Graphics: NVIDIA GeForce 320M 256MB, Monitor: Color LCD OS: Mac OS X 10.6.8, Kernel: 10.8.0 (i386), Display Server: X Server 1.4.2-apple56, OpenGL: 2.1, Compiler: GCC 4.2.1 + Clang 2.0 + Xcode 4.0, File-System: Journaled HFS+, Screen Resolution: 1280x800 BYTE Unix Benchmark 3.6 Computational Test: Dhrystone 2 LPS > Higher Is Better mac1 . 12130721.93 |=========================================================== BYTE Unix Benchmark 3.6 Computational Test: Integer Arithmetic LPS > Higher Is Better mac1 . 2313558.13 |============================================================ BYTE Unix Benchmark 3.6 Computational Test: Register Arithmetic LPS > Higher Is Better mac1 . 2310472.17 |============================================================ BYTE Unix Benchmark 3.6 Computational Test: Floating-Point Arithmetic LPS > Higher Is Better mac1 . 1879975.03 |============================================================