t2 Intel Core i5-2500K testing with a ASUS P8Z68-V GEN3 and NVIDIA GeForce GTX 970 4096MB on Ubuntu 15.04 via the Phoronix Test Suite. Intel Core i5-2500K: Processor: Intel Core i5-2500K @ 3.70GHz (4 Cores), Motherboard: ASUS P8Z68-V GEN3, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8192MB, Disk: 1500GB SAMSUNG HD154UI + 60GB OCZ AGILITY3 + 120GB KINGSTON SV300S3 + 2000GB Western Digital WD20EFRX-68A, Graphics: NVIDIA GeForce GTX 970 4096MB (1151/3505MHz), Audio: Intel 6 /C200, Monitor: Samsung SyncMaster, Network: Intel 82579V Gigabit Connection OS: Ubuntu 15.04, Kernel: 3.19.0-22-generic (x86_64), Desktop: Xfce 4.12, Display Server: X Server 1.17.1, Display Driver: NVIDIA 346.59, OpenGL: 4.5.0 NVIDIA 346.59, Compiler: GCC 4.9.2 + Clang 3.3 + LLVM 3.3 + CUDA 6.5, File-System: ext4, Screen Resolution: 3200x1080 Primesieve 5.4.2 1e12 Prime Number Generation Seconds < Lower Is Better Intel Core i5-2500K . 110.13 |=================================================