mine Running pts/primesieve-1.3.1 via the Phoronix Test Suite. mine: Processor: Intel Core i3-2120 @ 3.30GHz (4 Cores), Motherboard: Dell 0D6H9T, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 16384MB, Disk: 250GB Samsung SSD 850 + 500GB Seagate ST500DM002-1BD14, Graphics: Intel 2nd Generation Core Family IGP, Audio: Realtek ALC269VB, Monitor: SAMSUNG, Network: Intel 82579LM Gigabit Connection + Broadcom Limited BCM43224 802.11a/b/g/n OS: Ubuntu 17.04, Kernel: 4.10.0-20-generic (x86_64), Desktop: Unity 7.5.0, Display Server: X Server 1.19.3, Display Driver: modesetting 1.19.3, OpenGL: 3.3 Mesa 17.0.3, Compiler: GCC 6.3.0 20170406, File-System: ext4, Screen Resolution: 1360x768 i3: Processor: Intel Core i3-2120 @ 3.30GHz (4 Cores), Motherboard: Dell 0D6H9T, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 16384MB, Disk: 250GB Samsung SSD 850 + 500GB Seagate ST500DM002-1BD14, Graphics: Intel 2nd Generation Core Family IGP, Audio: Realtek ALC269VB, Monitor: SAMSUNG, Network: Intel 82579LM Gigabit Connection + Broadcom Limited BCM43224 802.11a/b/g/n OS: Ubuntu 17.04, Kernel: 4.10.0-20-generic (x86_64), Desktop: Unity 7.5.0, Display Server: X Server 1.19.3, Display Driver: modesetting 1.19.3, OpenGL: 3.3 Mesa 17.0.3, Compiler: GCC 6.3.0 20170406, File-System: ext4, Screen Resolution: 1360x768 turbo: Processor: Intel Core i3-2120 @ 3.30GHz (4 Cores), Motherboard: Dell 0D6H9T, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 16384MB, Disk: 250GB Samsung SSD 850 + 500GB Seagate ST500DM002-1BD14, Graphics: Intel 2nd Generation Core Family IGP, Audio: Realtek ALC269VB, Monitor: SAMSUNG, Network: Intel 82579LM Gigabit Connection + Broadcom Limited BCM43224 802.11a/b/g/n OS: Ubuntu 17.04, Kernel: 4.10.0-20-generic (x86_64), Desktop: Unity 7.5.0, Display Server: X Server 1.19.3, Display Driver: modesetting 1.19.3, OpenGL: 3.3 Mesa 17.0.3, Compiler: GCC 6.3.0 20170406, File-System: ext4, Screen Resolution: 1360x768 Primesieve 5.4.2 1e12 Prime Number Generation Seconds < Lower Is Better mine .. 196.83 |=============================================================== turbo . 196.53 |=============================================================== TTSIOD 3D Renderer 2.3a Phong Rendering With Soft-Shadow Mapping FPS > Higher Is Better i3 .... 74.53 |================================================================ turbo . 74.51 |================================================================