TestRun Intel Core i5-4690K testing with a MSI Z97 GAMING 5 (MS-7917) v1.0 and Intel HD 4600 on Ubuntu 14.04 via the Phoronix Test Suite. My_Test1: Processor: Intel Core i5-4690K @ 4.40GHz (4 Cores), Motherboard: MSI Z97 GAMING 5 (MS-7917) v1.0, Chipset: Intel 4th Gen Core DRAM, Memory: 8192MB, Disk: 128GB Samsung SSD 850 + 1000GB Western Digital WD1003FZEX-0, Graphics: Intel HD 4600 (1200MHz), Audio: Intel Xeon E3-1200 v3/4th, Network: Qualcomm Atheros Killer E2200 Gigabit OS: Ubuntu 14.04, Kernel: 3.16.0-31-generic (x86_64), Desktop: Unity 7.2.4, Display Server: X Server 1.16.0, Display Driver: intel 2.99.914, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1920x1080 FFTW 3.3.4 Build: Stock - Size: 2D FFT Size 4096 Mflops > Higher Is Better My_Test1 . 4633.14 |=========================================================== FFTW 3.3.4 Build: Float + SSE - Size: 2D FFT Size 4096 Mflops > Higher Is Better My_Test1 . 13015 |=============================================================