pre-clocked-cpu1 Running pts/ffmpeg-2.4.0 via the Phoronix Test Suite. Wihtout clocking cpu: Processor: Intel Core i7-4930K @ 3.90GHz (12 Cores), Motherboard: MSI X79A-GD65 (8D) (MS-7760) v1.0, Chipset: Intel Xeon E7 v2/Xeon, Memory: 8192MB, Disk: 256GB Samsung SSD 850, Graphics: MSI NVIDIA GeForce 7300 LE 252MB, Audio: Realtek ALC892, Network: Intel 82579V Gigabit Connection OS: CentOS 6.7, Kernel: 4.1.10-1.el6.elrepo.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, Screen Resolution: 1920x1080 Without clocing cpu run 2: Processor: Intel Core i7-4930K @ 3.90GHz (12 Cores), Motherboard: MSI X79A-GD65 (8D) (MS-7760) v1.0, Chipset: Intel Xeon E7 v2/Xeon, Memory: 8192MB, Disk: 256GB Samsung SSD 850, Graphics: MSI NVIDIA GeForce 7300 LE 252MB, Audio: Realtek ALC892, Network: Intel 82579V Gigabit Connection OS: CentOS 6.7, Kernel: 4.1.10-1.el6.elrepo.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, Screen Resolution: 1920x1080 FFmpeg 2.6.2 H.264 HD To NTSC DV Seconds < Lower Is Better Wihtout clocking cpu ...... 10.48 |============================================ Without clocing cpu run 2 . 10.44 |============================================