Scientific Linux X59 Intel Core i7 990X testing with a MSI MS-7593 and AMD Radeon HD 4870 256MB on ScientificSL 5.7 via the Phoronix Test Suite. Intel 990X: Processor: Intel Core i7 990X @ 3.47GHz (6 Cores), Motherboard: MSI MS-7593, Chipset: Intel 5520/5500/X58 + ICH10R, Memory: 3072MB, Disk: 160GB Western Digital WD1600JS-00M, Graphics: AMD Radeon HD 4870 256MB, Audio: Intel 82801JI, Monitor: DELL P2210H, Network: Realtek RTL8111/8168B OS: ScientificSL 5.7, Kernel: 2.6.18-274.el5 (x86_64), Desktop: GNOME 2.16.0, Display Server: X Server 7.1.1, Display Driver: amd, OpenGL: 1.2 (1.5 Mesa 6.5.1), Compiler: GCC 4.1.2, File-System: ext3, Screen Resolution: 1920x1080 Stream 2009-04-11 Type: Copy MB/s > Higher Is Better Intel 990X . 11110.01 |======================================================== Stream 2009-04-11 Type: Scale MB/s > Higher Is Better Intel 990X . 10667.58 |======================================================== Stream 2009-04-11 Type: Add MB/s > Higher Is Better Intel 990X . 11276.17 |======================================================== Stream 2009-04-11 Type: Triad MB/s > Higher Is Better Intel 990X . 11678.32 |======================================================== SciMark 2.0 Computational Test: Composite Mflops > Higher Is Better Intel 990X . 997.67 |========================================================== SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better Intel 990X . 243.77 |========================================================== SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation Mflops > Higher Is Better Intel 990X . 994.61 |========================================================== SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better Intel 990X . 459.85 |========================================================== SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better Intel 990X . 1350.71 |========================================================= SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better Intel 990X . 1939.39 |========================================================= Fhourstones 3.1 Complex Connect-4 Solving Kpos / sec > Higher Is Better Intel 990X . 10937.07 |======================================================== BYTE Unix Benchmark 3.6 Computational Test: Dhrystone 2 LPS > Higher Is Better Intel 990X . 18652596.50 |===================================================== BYTE Unix Benchmark 3.6 Computational Test: Register Arithmetic LPS > Higher Is Better Intel 990X . 3149945.30 |====================================================== BYTE Unix Benchmark 3.6 Computational Test: Integer Arithmetic LPS > Higher Is Better Intel 990X . 3145784.53 |====================================================== BYTE Unix Benchmark 3.6 Computational Test: Floating-Point Arithmetic LPS > Higher Is Better Intel 990X . 2486324.20 |======================================================