Ubuntu 12.04 Linux Power Consumption
Lenovo ThinkPad W510 notebook with Intel Core i7 processor measuring the battery power consumption under Ubuntu 12.04 LTS back through Ubuntu 10.10. Testing by Michael Larabel for a future article on phoronix.com.


Ubuntu 10.10: 

	Processor: Intel Core i7 720Q @ 1.47GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB, Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

	OS: Ubuntu 10.10, Kernel: 2.6.35-22-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 7.9-devel, Compiler: GCC 4.4.5, File-System: ext4, Screen Resolution: 1600x900

Ubuntu 11.04: 

	Processor: Intel Core i7 720Q @ 1.47GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: string: Software Rasterizer 1024MB (550/950MHz), Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

	OS: Ubuntu 11.04, Kernel: 2.6.38-8-generic (x86_64), Desktop: GNOME 2.32.1, Display Server: X Server 1.10.1, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 7.10.2, Compiler: GCC 4.5.2, File-System: ext4, Screen Resolution: 1600x900

Ubuntu 11.10: 

	Processor: Intel Core i7 720Q @ 1.47GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB (550/790MHz), Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

	OS: Ubuntu 11.10, Kernel: 3.0.0-12-generic (x86_64), Desktop: Unity 4.22.0, Display Server: X Server 1.10.4, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 7.11 Gallium 0.4, Compiler: GCC 4.6.1, File-System: ext4, Screen Resolution: 1600x900

Ubuntu 12.04: 

	Processor: Intel Core i7 720Q @ 1.47GHz (8 Cores), Motherboard: LENOVO 4318CTO, Chipset: Intel Core DMI, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: NVIDIA Quadro FX 880M 1024MB (550/790MHz), Audio: Conexant CX20585, Network: Intel 82577LM Gigabit Connection + Intel Centrino Ultimate-N 6300

	OS: Ubuntu 12.04, Kernel: 3.2.0-14-generic (x86_64), Desktop: Unity 5.2.0, Display Server: X Server 1.11.3, Display Driver: nouveau 0.0.16, OpenGL: 2.1 Mesa 8.0-rc2 Gallium 0.4, Compiler: GCC 4.6, File-System: ext4, Screen Resolution: 1600x900


Timed Idle
System Power Consumption Monitor
Milliwatts < Lower Is Better
Ubuntu 10.10 . MIN: 22008  AVG: 23064  MAX: 25344 
Ubuntu 11.04 . MIN: 29083  AVG: 30503  MAX: 34815 
Ubuntu 11.10 . MIN: 29517  AVG: 31935  MAX: 40930 
Ubuntu 12.04 . MIN: 18561  AVG: 21629  MAX: 27890 


Nexuiz 2.5.2
Resolution: 1600 x 900 - HDR: No - Sound: Off
Frames Per Second > Higher Is Better
Ubuntu 11.10 . 25.94 |=========================================================
Ubuntu 12.04 . 1.00  |==


Nexuiz 2.5.2
System Power Consumption Monitor
Milliwatts < Lower Is Better
Ubuntu 11.10 . MIN: 33139  AVG: 42110  MAX: 44917 


C-Ray 1.1
Total Time
Seconds < Lower Is Better
Ubuntu 10.10 . 127.13 |========================================================
Ubuntu 11.04 . 116.46 |===================================================
Ubuntu 11.10 . 116.92 |====================================================
Ubuntu 12.04 . 116.91 |===================================================


C-Ray 1.1
System Power Consumption Monitor
Milliwatts < Lower Is Better
Ubuntu 10.10 . MIN: 24020  AVG: 58773  MAX: 60836 
Ubuntu 11.04 . MIN: 35692  AVG: 64275  MAX: 66377 
Ubuntu 11.10 . MIN: 37261  AVG: 64449  MAX: 66517 
Ubuntu 12.04 . MIN: 31068  AVG: 55573  MAX: 57374 


Smallpt 1.0
System Power Consumption Monitor
Milliwatts < Lower Is Better
Ubuntu 11.10 . MIN: 51543  AVG: 64219  MAX: 68775 


System Power Consumption Monitor
Phoronix Test Suite System Monitoring
Milliwatts
Ubuntu 10.10 . MIN: 22008  AVG: 49892  MAX: 60836 
Ubuntu 11.04 . MIN: 29083  AVG: 55288  MAX: 66377 
Ubuntu 11.10 . MIN: 29517  AVG: 54145  MAX: 68775 
Ubuntu 12.04 . MIN: 18561  AVG: 45871  MAX: 57374