composite Intel Core i9-7900X testing with a ASRock X299 OC Formula and Sapphire AMD Radeon HD 7770/8760 / R7 250X 1024MB on Fedora 26 via the Phoronix Test Suite. composite: Processor: Intel Core i9-7900X @ 3.30GHz (20 Cores), Motherboard: ASRock X299 OC Formula, Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 4 x 8192 MB DDR4-2400MT/s Kinston, Disk: 512GB Crucial_CT512MX1, Graphics: Sapphire AMD Radeon HD 7770/8760 / R7 250X 1024MB (300/300MHz), Audio: Realtek ALC1220, Monitor: SAMSUNG, Network: Intel Connection OS: Fedora 26, Kernel: 4.13.15-200.fc26.x86_64 (x86_64), Desktop: GNOME Shell 3.24.3, Display Server: X Server 1.19.3, OpenGL: 4.5 Mesa 17.2.4 (LLVM 4.0.1), Compiler: GCC 7.2.1 20170915, File-System: ext4, Screen Resolution: 1920x1080 SciMark 2.0 Computational Test: Composite Mflops > Higher Is Better composite . 689.51 |===========================================================