Ubuntu 14.04 PowerTOP 2.6 Power Testing PowerTOP 2.6 testing of an ASUS Zenbook Prime UX32VDA ultrabook on Ubuntu 14.04 to see the battery power savings with the stock Linux 3.13 kernel plus a Linux 3.15 development Git kernel. Benchmarks for a future article on Phoronix.com by Michael Larabel. Ubuntu 14.04: Stock: Processor: Intel Core i7-3517U @ 1.90GHz (4 Cores), Motherboard: ASUS UX32VDA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 2 x 128GB SanDisk SD5SF212, Graphics: Intel HD 4000 512MB (1150MHz), Audio: Realtek ALC269VB, Network: Intel Centrino Advanced-N 6235 OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: intel 2.99.910, OpenGL: 3.3 Mesa 10.1.0, Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1920x1080 Ubuntu 14.04: PowerTOP 2.6 Optimized: Processor: Intel Core i7-3517U @ 1.90GHz (4 Cores), Motherboard: ASUS UX32VDA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 2 x 128GB SanDisk SD5SF212, Graphics: Intel HD 4000 512MB (1150MHz), Audio: Realtek ALC269VB, Network: Intel Centrino Advanced-N 6235 OS: Ubuntu 14.04, Kernel: 3.13.0-24-generic (x86_64), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: intel 2.99.910, OpenGL: 3.3 Mesa 10.1.0, Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1920x1080 Ubuntu 14.04 + Linux 3.15: Stock: Processor: Intel Core i7-3517U @ 3.00GHz (4 Cores), Motherboard: ASUS UX32VDA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 2 x 128GB SanDisk SD5SF212, Graphics: Intel HD 4000 512MB (1150MHz), Audio: Intel 7 /C210, Network: Intel Centrino Advanced-N 6235 OS: Ubuntu 14.04, Kernel: 3.15.0-999-generic (x86_64), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: intel 2.99.910, OpenGL: 3.3 Mesa 10.1.0, Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1920x1080 Ubuntu 14.04 + Linux 3.15: PowerTOP 2.6 Optimized: Processor: Intel Core i7-3517U @ 3.00GHz (4 Cores), Motherboard: ASUS UX32VDA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 2 x 128GB SanDisk SD5SF212, Graphics: Intel HD 4000 512MB (1150MHz), Audio: Intel 7 /C210, Network: Intel Centrino Advanced-N 6235 OS: Ubuntu 14.04, Kernel: 3.15.0-999-generic (x86_64), Desktop: Unity 7.2.0, Display Server: X Server 1.15.1, Display Driver: intel 2.99.910, OpenGL: 3.3 Mesa 10.1.0, 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 Ubuntu 14.04: Stock ............................... 31.41 |==================== Ubuntu 14.04: PowerTOP 2.6 Optimized .............. 31.49 |==================== Ubuntu 14.04 + Linux 3.15: Stock .................. 31.37 |==================== Ubuntu 14.04 + Linux 3.15: PowerTOP 2.6 Optimized . 31.45 |==================== Tesseract 2014-05-12 System Power Consumption Monitor Milliwatts < Lower Is Better Ubuntu 14.04: Stock ............................... MIN: 12839 AVG: 25488 MAX: 31923 Ubuntu 14.04: PowerTOP 2.6 Optimized .............. MIN: 10582 AVG: 22679 MAX: 29444 Ubuntu 14.04 + Linux 3.15: Stock .................. MIN: 12765 AVG: 24347 MAX: 31672 Ubuntu 14.04 + Linux 3.15: PowerTOP 2.6 Optimized . MIN: 10818 AVG: 21758 MAX: 29755 Xonotic 0.7 Resolution: 1920 x 1080 - Effects Quality: High Frames Per Second > Higher Is Better Ubuntu 14.04: Stock ............................... 59.25 |==================== Ubuntu 14.04: PowerTOP 2.6 Optimized .............. 58.97 |==================== Ubuntu 14.04 + Linux 3.15: Stock .................. 59.52 |==================== Ubuntu 14.04 + Linux 3.15: PowerTOP 2.6 Optimized . 59.40 |==================== Xonotic 0.7 System Power Consumption Monitor Milliwatts < Lower Is Better Ubuntu 14.04: Stock ............................... MIN: 13320 AVG: 31086 MAX: 34683 Ubuntu 14.04: PowerTOP 2.6 Optimized .............. MIN: 10707 AVG: 28246 MAX: 32019 Ubuntu 14.04 + Linux 3.15: Stock .................. MIN: 13046 AVG: 30580 MAX: 34387 Ubuntu 14.04 + Linux 3.15: PowerTOP 2.6 Optimized . MIN: 10922 AVG: 28340 MAX: 32715 x264 2014-01-09 H.264 Video Encoding Frames Per Second > Higher Is Better Ubuntu 14.04: Stock ............................... 64.26 |==================== Ubuntu 14.04: PowerTOP 2.6 Optimized .............. 54.04 |================= Ubuntu 14.04 + Linux 3.15: Stock .................. 60.74 |=================== Ubuntu 14.04 + Linux 3.15: PowerTOP 2.6 Optimized . 50.61 |================ x264 2014-01-09 System Power Consumption Monitor Milliwatts < Lower Is Better Ubuntu 14.04: Stock ............................... MIN: 13764 AVG: 21948 MAX: 30340 Ubuntu 14.04: PowerTOP 2.6 Optimized .............. MIN: 11403 AVG: 18984 MAX: 27616 Ubuntu 14.04 + Linux 3.15: Stock .................. MIN: 13897 AVG: 22039 MAX: 29799 Ubuntu 14.04 + Linux 3.15: PowerTOP 2.6 Optimized . MIN: 11595 AVG: 19050 MAX: 27690 Timed Apache Compilation 2.4.7 Time To Compile Seconds < Lower Is Better Ubuntu 14.04: Stock ............................... 59.55 |=================== Ubuntu 14.04: PowerTOP 2.6 Optimized .............. 59.58 |=================== Ubuntu 14.04 + Linux 3.15: Stock .................. 63.94 |==================== Ubuntu 14.04 + Linux 3.15: PowerTOP 2.6 Optimized . 64.30 |==================== Timed Apache Compilation 2.4.7 System Power Consumption Monitor Milliwatts < Lower Is Better Ubuntu 14.04: Stock ............................... MIN: 13727 AVG: 24500 MAX: 31398 Ubuntu 14.04: PowerTOP 2.6 Optimized .............. MIN: 11359 AVG: 21961 MAX: 28978 Ubuntu 14.04 + Linux 3.15: Stock .................. MIN: 13845 AVG: 24055 MAX: 31509 Ubuntu 14.04 + Linux 3.15: PowerTOP 2.6 Optimized . MIN: 11248 AVG: 21375 MAX: 29570 C-Ray 1.1 Total Time Seconds < Lower Is Better Ubuntu 14.04: Stock ............................... 73.50 |==================== Ubuntu 14.04: PowerTOP 2.6 Optimized .............. 73.50 |==================== Ubuntu 14.04 + Linux 3.15: Stock .................. 73.53 |==================== Ubuntu 14.04 + Linux 3.15: PowerTOP 2.6 Optimized . 73.54 |==================== C-Ray 1.1 System Power Consumption Monitor Milliwatts < Lower Is Better Ubuntu 14.04: Stock ............................... MIN: 13838 AVG: 24481 MAX: 27283 Ubuntu 14.04: PowerTOP 2.6 Optimized .............. MIN: 11440 AVG: 22003 MAX: 25026 Ubuntu 14.04 + Linux 3.15: Stock .................. MIN: 13934 AVG: 24481 MAX: 27039 Ubuntu 14.04 + Linux 3.15: PowerTOP 2.6 Optimized . MIN: 11359 AVG: 22284 MAX: 25382 LAME MP3 Encoding 3.99.3 WAV To MP3 Seconds < Lower Is Better Ubuntu 14.04: Stock ............................... 17.12 |============ Ubuntu 14.04: PowerTOP 2.6 Optimized .............. 17.10 |============ Ubuntu 14.04 + Linux 3.15: Stock .................. 28.45 |==================== Ubuntu 14.04 + Linux 3.15: PowerTOP 2.6 Optimized . 28.46 |==================== LAME MP3 Encoding 3.99.3 System Power Consumption Monitor Milliwatts < Lower Is Better Ubuntu 14.04: Stock ............................... MIN: 13912 AVG: 19610 MAX: 23191 Ubuntu 14.04: PowerTOP 2.6 Optimized .............. MIN: 11536 AVG: 17137 MAX: 20579 Ubuntu 14.04 + Linux 3.15: Stock .................. MIN: 13697 AVG: 17071 MAX: 18522 Ubuntu 14.04 + Linux 3.15: PowerTOP 2.6 Optimized . MIN: 11433 AVG: 14861 MAX: 16701 System Power Consumption Monitor Phoronix Test Suite System Monitoring Milliwatts Ubuntu 14.04: Stock ............................... MIN: 12839 AVG: 25652 MAX: 34683 Ubuntu 14.04: PowerTOP 2.6 Optimized .............. MIN: 4807 AVG: 22978 MAX: 32019 Ubuntu 14.04 + Linux 3.15: Stock .................. MIN: 12757 AVG: 24842 MAX: 34387 Ubuntu 14.04 + Linux 3.15: PowerTOP 2.6 Optimized . MIN: 10818 AVG: 22462 MAX: 32715