linux-power-haswell-desktop A Kernel comparison via the Phoronix Test Suite. Linux 3.14: Processor: Intel Core i7-4790K @ 4.40GHz (8 Cores), Motherboard: ASRock Z97 Extreme6, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Intel HD 4600 (1250MHz), Audio: Intel Xeon E3-1200 v3/4th, Network: Intel Connection OS: Ubuntu 14.04, Kernel: 3.14.0-031400-generic (x86_64), Desktop: Unity 7.2.2, Display Server: X Server 1.15.1, Display Driver: intel 2.99.914, OpenGL: 3.3 Mesa 10.4.0-devel (git-6b48c18 2014-08-27 trusty-oibaf-ppa), Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1920x1080 Linux 3.15: Processor: Intel Core i7-4790K @ 4.40GHz (8 Cores), Motherboard: ASRock Z97 Extreme6, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Intel HD 4600 (1250MHz), Audio: Intel Xeon E3-1200 v3/4th, Network: Intel Connection OS: Ubuntu 14.04, Kernel: 3.15.0-031500-generic (x86_64), Desktop: Unity 7.2.2, Display Server: X Server 1.15.1, Display Driver: intel 2.99.914, OpenGL: 3.3 Mesa 10.4.0-devel (git-6b48c18 2014-08-27 trusty-oibaf-ppa), Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1920x1080 Linux 3.16: Processor: Intel Core i7-4790K @ 4.40GHz (8 Cores), Motherboard: ASRock Z97 Extreme6, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Intel HD 4600 (1250MHz), Audio: Intel Xeon E3-1200 v3/4th, Network: Intel Connection OS: Ubuntu 14.04, Kernel: 3.16.0-031600-generic (x86_64), Desktop: Unity 7.2.2, Display Server: X Server 1.15.1, Display Driver: intel 2.99.914, OpenGL: 3.3 Mesa 10.4.0-devel (git-6b48c18 2014-08-27 trusty-oibaf-ppa), Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1920x1080 Linux 3.17 Git: Processor: Intel Core i7-4790K @ 4.40GHz (8 Cores), Motherboard: ASRock Z97 Extreme6, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Intel HD 4600 (1250MHz), Audio: Intel Xeon E3-1200 v3/4th, Network: Intel Connection OS: Ubuntu 14.04, Kernel: 3.17.0-999-generic (x86_64), Desktop: Unity 7.2.2, Display Server: X Server 1.15.1, Display Driver: intel 2.99.914, OpenGL: 3.3 Mesa 10.4.0-devel (git-6b48c18 2014-08-27 trusty-oibaf-ppa), Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1920x1080 Tesseract 2014-05-12 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better Linux 3.14 ..... 48.59 |====================================================== Linux 3.15 ..... 48.26 |====================================================== Linux 3.16 ..... 48.37 |====================================================== Linux 3.17 Git . 49.10 |======================================================= Tesseract 2014-05-12 System Power Consumption Monitor Watts < Lower Is Better Linux 3.14 ..... MIN: 40 AVG: 72 MAX: 80 Linux 3.15 ..... MIN: 40 AVG: 70 MAX: 76 Linux 3.16 ..... MIN: 41 AVG: 70 MAX: 76 Linux 3.17 Git . MIN: 41 AVG: 71 MAX: 76 Xonotic 0.7 Resolution: 1920 x 1080 - Effects Quality: High Frames Per Second > Higher Is Better Linux 3.14 ..... 86.94 |===================================================== Linux 3.15 ..... 90.57 |======================================================= Linux 3.16 ..... 90.54 |======================================================= Linux 3.17 Git . 90.59 |======================================================= Xonotic 0.7 System Power Consumption Monitor Watts < Lower Is Better Linux 3.14 ..... MIN: 40 AVG: 90 MAX: 97 Linux 3.15 ..... MIN: 39 AVG: 79 MAX: 84 Linux 3.16 ..... MIN: 39 AVG: 79 MAX: 89 Linux 3.17 Git . MIN: 38 AVG: 79 MAX: 87 Timed Apache Compilation 2.4.7 Time To Compile Seconds < Lower Is Better Linux 3.14 ..... 24.23 |======================================================= Linux 3.15 ..... 24.01 |======================================================= Linux 3.16 ..... 23.40 |===================================================== Linux 3.17 Git . 23.77 |====================================================== Timed Apache Compilation 2.4.7 System Power Consumption Monitor Watts < Lower Is Better Linux 3.14 ..... MIN: 40 AVG: 96 MAX: 131 Linux 3.15 ..... MIN: 40 AVG: 88 MAX: 133 Linux 3.16 ..... MIN: 40 AVG: 80 MAX: 132 Linux 3.17 Git . MIN: 40 AVG: 85 MAX: 132 LAME MP3 Encoding 3.99.3 WAV To MP3 Seconds < Lower Is Better Linux 3.14 ..... 10.79 |===================================================== Linux 3.15 ..... 10.77 |===================================================== Linux 3.16 ..... 11.17 |======================================================= Linux 3.17 Git . 11.08 |======================================================= LAME MP3 Encoding 3.99.3 System Power Consumption Monitor Watts < Lower Is Better Linux 3.14 ..... MIN: 38.5 AVG: 60.8 MAX: 66.2 Linux 3.15 ..... MIN: 38.1 AVG: 55.4 MAX: 66.0 Linux 3.16 ..... MIN: 40.8 AVG: 61.5 MAX: 66.6 Linux 3.17 Git . MIN: 38.3 AVG: 55.9 MAX: 66.2 Timed Idle System Power Consumption Monitor Watts < Lower Is Better Linux 3.14 ..... MIN: 37.5 AVG: 37.8 MAX: 38.4 Linux 3.15 ..... MIN: 37.5 AVG: 37.8 MAX: 38.6 Linux 3.16 ..... MIN: 37.9 AVG: 38.1 MAX: 38.9 Linux 3.17 Git . MIN: 37.9 AVG: 38.1 MAX: 38.8 System Power Consumption Monitor Phoronix Test Suite System Monitoring Watts Linux 3.14 ..... MIN: 35 AVG: 70 MAX: 131 Linux 3.15 ..... MIN: 35 AVG: 64 MAX: 133 Linux 3.16 ..... MIN: 38 AVG: 65 MAX: 132 Linux 3.17 Git . MIN: 38 AVG: 64 MAX: 132