Intel Ultrabook Linux Kernel Power Use ASUS Intel Ivy Bridge Ultrabook kernel power consumption benchmarks of Linux 3.7 through Linux 3.13 kernel Git. Using ubuntu mainline kernel PPA. Benchmarks by Michael Larabel of phoronix.com. Monitor battery power via MONITOR=sys.power and PERFORMANCE_PER_WATT=1 environment variables with the Phoronix Test Suite. Linux 3.7: Processor: Intel Core i3-3217U @ 1.80GHz (4 Cores), Motherboard: ASUS K56CA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 500GB Hitachi HTS54505 + 24GB SanDisk SSD i100, Graphics: Intel HD 4000 (1050MHz), Audio: Realtek ALC270, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9485 Wireless OS: Ubuntu 13.10, Kernel: 3.7.0-030700-generic (x86_64), Desktop: Unity 7.1.2, Display Server: X Server 1.14.3, Display Driver: intel 2.99.906, OpenGL: 3.3 Mesa 10.1.0-devel (git-2d5f21b saucy-oibaf-ppa), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1366x768 Linux 3.8: Processor: Intel Core i3-3217U @ 1.80GHz (4 Cores), Motherboard: ASUS K56CA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 500GB Hitachi HTS54505 + 24GB SanDisk SSD i100, Graphics: Intel HD 4000 (1050MHz), Audio: Realtek ALC270, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9485 Wireless OS: Ubuntu 13.10, Kernel: 3.8.0-030800-generic (x86_64), Desktop: Unity 7.1.2, Display Server: X Server 1.14.3, Display Driver: intel 2.99.906, OpenGL: 3.3 Mesa 10.1.0-devel (git-2d5f21b saucy-oibaf-ppa), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1366x768 Linux 3.9: Processor: Intel Core i3-3217U @ 1.80GHz (4 Cores), Motherboard: ASUS K56CA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 500GB Hitachi HTS54505 + 24GB SanDisk SSD i100, Graphics: Intel HD 4000 (1050MHz), Audio: Realtek ALC270, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9485 Wireless OS: Ubuntu 13.10, Kernel: 3.9.0-030900-generic (x86_64), Desktop: Unity 7.1.2, Display Server: X Server 1.14.3, Display Driver: intel 2.99.906, OpenGL: 3.3 Mesa 10.1.0-devel (git-2d5f21b saucy-oibaf-ppa), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1366x768 Linux 3.10: Processor: Intel Core i3-3217U @ 1.80GHz (4 Cores), Motherboard: ASUS K56CA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 500GB Hitachi HTS54505 + 24GB SanDisk SSD i100, Graphics: Intel HD 4000 (1050MHz), Audio: Realtek ALC270, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9485 Wireless OS: Ubuntu 13.10, Kernel: 3.10.0-031000-generic (x86_64), Desktop: Unity 7.1.2, Display Server: X Server 1.14.3, Display Driver: intel 2.99.906, OpenGL: 3.3 Mesa 10.1.0-devel (git-2d5f21b saucy-oibaf-ppa), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1366x768 Linux 3.11: Processor: Intel Core i3-3217U @ 1.80GHz (4 Cores), Motherboard: ASUS K56CA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 500GB Hitachi HTS54505 + 24GB SanDisk SSD i100, Graphics: Intel HD 4000 (1050MHz), Audio: Realtek ALC270, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9485 Wireless OS: Ubuntu 13.10, Kernel: 3.11.0-031100-generic (x86_64), Desktop: Unity 7.1.2, Display Server: X Server 1.14.3, Display Driver: intel 2.99.906, OpenGL: 3.3 Mesa 10.1.0-devel (git-2d5f21b saucy-oibaf-ppa), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1366x768 Linux 3.12: Processor: Intel Core i3-3217U @ 1.80GHz (4 Cores), Motherboard: ASUS K56CA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 500GB Hitachi HTS54505 + 24GB SanDisk SSD i100, Graphics: Intel HD 4000 (1050MHz), Audio: Realtek ALC270, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9485 Wireless OS: Ubuntu 13.10, Kernel: 3.12.0-031200-generic (x86_64), Desktop: Unity 7.1.2, Display Server: X Server 1.14.3, Display Driver: intel 2.99.906, OpenGL: 3.3 Mesa 10.1.0-devel (git-2d5f21b saucy-oibaf-ppa), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1366x768 Linux 3.13 Git: Processor: Intel Core i3-3217U @ 1.80GHz (4 Cores), Motherboard: ASUS K56CA v1.0, Chipset: Intel 3rd Gen Core DRAM, Memory: 4096MB, Disk: 500GB Hitachi HTS54505 + 24GB SanDisk SSD i100, Graphics: Intel HD 4000 (1050MHz), Audio: Realtek ALC270, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9485 Wireless OS: Ubuntu 13.10, Kernel: 3.13.0-999-generic (x86_64), Desktop: Unity 7.1.2, Display Server: X Server 1.14.3, Display Driver: intel 2.99.906, OpenGL: 3.3 Mesa 10.1.0-devel (git-2d5f21b saucy-oibaf-ppa), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1366x768 C-Ray 1.1 Total Time Seconds < Lower Is Better Linux 3.7 ...... 114.52 |==================================== Linux 3.8 ...... 114.51 |==================================== Linux 3.9 ...... 114.53 |==================================== Linux 3.10 ..... 169.96 |====================================================== Linux 3.11 ..... 114.50 |==================================== Linux 3.12 ..... 114.45 |==================================== Linux 3.13 Git . 114.50 |==================================== C-Ray 1.1 Total Time Performance Per Watt > Higher Is Better Linux 3.7 ...... 0.15 |===================================================== Linux 3.8 ...... 0.15 |===================================================== Linux 3.9 ...... 0.15 |===================================================== Linux 3.10 ..... 0.10 |=================================== Linux 3.11 ..... 0.16 |======================================================== Linux 3.12 ..... 0.15 |===================================================== Linux 3.13 Git . 0.15 |===================================================== C-Ray 1.1 System Power Consumption Monitor Milliwatts < Lower Is Better Linux 3.7 ...... MIN: 10695 AVG: 17084 MAX: 17565 Linux 3.8 ...... MIN: 11460 AVG: 17667 MAX: 18630 Linux 3.9 ...... MIN: 10605 AVG: 16935 MAX: 17400 Linux 3.10 ..... MIN: 11655 AVG: 16379 MAX: 17220 Linux 3.11 ..... MIN: 11115 AVG: 17779 MAX: 18450 Linux 3.12 ..... MIN: 11010 AVG: 17575 MAX: 18315 Linux 3.13 Git . MIN: 11010 AVG: 17488 MAX: 18705 LAME MP3 Encoding 3.99.3 WAV To MP3 Seconds < Lower Is Better Linux 3.7 ...... 28.98 |================================== Linux 3.8 ...... 29.02 |================================== Linux 3.9 ...... 29.03 |================================== Linux 3.10 ..... 47.03 |======================================================= Linux 3.11 ..... 28.99 |================================== Linux 3.12 ..... 28.98 |================================== Linux 3.13 Git . 28.98 |================================== LAME MP3 Encoding 3.99.3 WAV To MP3 Performance Per Watt > Higher Is Better Linux 3.7 ...... 0.51 |====================================================== Linux 3.8 ...... 0.52 |======================================================= Linux 3.9 ...... 0.50 |===================================================== Linux 3.10 ..... 0.31 |================================= Linux 3.11 ..... 0.53 |======================================================== Linux 3.12 ..... 0.52 |======================================================= Linux 3.13 Git . 0.52 |======================================================= LAME MP3 Encoding 3.99.3 System Power Consumption Monitor Milliwatts < Lower Is Better Linux 3.7 ...... MIN: 10725 AVG: 14716 MAX: 15705 Linux 3.8 ...... MIN: 11010 AVG: 15232 MAX: 15975 Linux 3.9 ...... MIN: 10470 AVG: 14546 MAX: 15180 Linux 3.10 ..... MIN: 11445 AVG: 14521 MAX: 15375 Linux 3.11 ..... MIN: 11160 AVG: 15367 MAX: 16065 Linux 3.12 ..... MIN: 11025 AVG: 15184 MAX: 16065 Linux 3.13 Git . MIN: 10950 AVG: 15036 MAX: 15945 System Power Consumption Monitor Phoronix Test Suite System Monitoring Milliwatts Linux 3.7 ...... MIN: 10215 AVG: 20760 MAX: 30555 Linux 3.8 ...... MIN: 10620 AVG: 21510 MAX: 32100 Linux 3.9 ...... MIN: 9915 AVG: 20594 MAX: 30915 Linux 3.10 ..... MIN: 11130 AVG: 20438 MAX: 33270 Linux 3.11 ..... MIN: 10545 AVG: 21574 MAX: 32160 Linux 3.12 ..... MIN: 11010 AVG: 21399 MAX: 32160 Linux 3.13 Git . MIN: 10410 AVG: 22950 MAX: 31545 Xonotic 0.7 Resolution: 1366 x 768 - Effects Quality: High Frames Per Second > Higher Is Better Linux 3.7 ...... 67.35 |======================================================= Linux 3.8 ...... 67.10 |======================================================= Linux 3.9 ...... 67.04 |======================================================= Linux 3.10 ..... 66.10 |====================================================== Linux 3.11 ..... 67.31 |======================================================= Linux 3.12 ..... 63.24 |==================================================== Linux 3.13 Git . 65.91 |====================================================== Xonotic 0.7 Resolution: 1366 x 768 - Effects Quality: High Frames Per Second Per Watt > Higher Is Better Linux 3.7 ...... 2.56 |======================================================== Linux 3.8 ...... 2.46 |====================================================== Linux 3.9 ...... 2.56 |======================================================== Linux 3.10 ..... 2.36 |==================================================== Linux 3.11 ..... 2.46 |====================================================== Linux 3.12 ..... 2.36 |==================================================== Linux 3.13 Git . 2.47 |====================================================== Xonotic 0.7 System Power Consumption Monitor Milliwatts < Lower Is Better Linux 3.7 ...... MIN: 11565 AVG: 26337 MAX: 30555 Linux 3.8 ...... MIN: 11745 AVG: 27298 MAX: 32100 Linux 3.9 ...... MIN: 11370 AVG: 26164 MAX: 30915 Linux 3.10 ..... MIN: 12795 AVG: 28026 MAX: 33270 Linux 3.11 ..... MIN: 11925 AVG: 27310 MAX: 32160 Linux 3.12 ..... MIN: 11730 AVG: 26796 MAX: 32160 Linux 3.13 Git . MIN: 11475 AVG: 26700 MAX: 31545