Intel Haswell CPU Cooler Testing Intel Core i7-4770K testing with a ECS Z87H3-A2X EXTREME v1.0 and Intel Haswell Desktop on Ubuntu 13.10 via the Phoronix Test Suite. Intel Reference Heatsink: Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: ECS Z87H3-A2X EXTREME v1.0, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: Intel Haswell Desktop (1250MHz), Audio: Intel Haswell HDMI, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 13.10, Kernel: 3.10.0-6-generic (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.14.2, Display Driver: intel 2.21.12, OpenGL: 3.1 Mesa 9.1.4, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1920x1080 C-Ray 1.1 Total Time Seconds < Lower Is Better Intel Reference Heatsink . 22.41 |============================================= Smallpt 1.0 Global Illumination Renderer; 100 Samples Seconds < Lower Is Better Intel Reference Heatsink . 81 |================================================ Xonotic 0.7 Resolution: 1920 x 1080 - Effects Quality: High Frames Per Second > Higher Is Better Intel Reference Heatsink . 42.04 |============================================= Parboil 2.5 Test: MRI Gridding Seconds < Lower Is Better Intel Reference Heatsink . 40.75 |============================================= OpenSSL 1.0.1c RSA 4096-bit Performance Signs Per Second > Higher Is Better Intel Reference Heatsink . 150.83 |============================================ Primesieve 4.2 1e12 Prime Number Generation Seconds < Lower Is Better Intel Reference Heatsink . 77.53 |=============================================