Intel Sandy Bridge Power Use Ubuntu
Intel Core i5-2520M testing with a HP 161C and Intel HD 3000 on Ubuntu 14.04 via the Phoronix Test Suite.


Sandy Bridge - HP EliteBOok: 

	Processor: Intel Core i5-2520M @ 2.50GHz (4 Cores), Motherboard: HP 161C, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 4096MB, Disk: 160GB INTEL SSDSA2M160, Graphics: Intel HD 3000 (1300MHz), Audio: IDT 92HD81B1X5, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

	OS: Ubuntu 14.04, Kernel: 3.13.0-16-generic (x86_64), Desktop: Unity 7.1.2, Display Server: X Server 1.15.0, Display Driver: intel 2.99.910, OpenGL: 3.1 Mesa 10.1.0-rc3, Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1600x900

Haswell - Acer C720: 

	Processor: Intel Celeron 2955U @ 1.40GHz (2 Cores), Motherboard: Acer Peppy v1.0, Chipset: Intel Haswell-ULT DRAM, Memory: 2048MB, Disk: 16GB KINGSTON SNS4151, Graphics: Intel Haswell-ULT IGP (1000MHz), Audio: Intel Haswell-ULT HD Audio, Network: Qualcomm Atheros AR9462 Wireless

	OS: Ubuntu 14.04, Kernel: 3.13.0-16-generic (x86_64), Desktop: Unity 7.1.2, Display Server: X Server 1.15.0, Display Driver: intel 2.99.910, OpenGL: 3.3 Mesa 10.1.0-rc3, Compiler: GCC 4.8.2, File-System: ext4, Screen Resolution: 1366x768


PostMark 1.51
Disk Transaction Performance
TPS > Higher Is Better
Sandy Bridge - HP EliteBOok . 3409 |===========================================
Haswell - Acer C720 ......... 2027 |==========================


PostMark 1.51
Disk Transaction Performance
TPS Per Watt > Higher Is Better
Sandy Bridge - HP EliteBOok . 120.41 |======================
Haswell - Acer C720 ......... 222.35 |=========================================


PostMark 1.51
System Power Consumption Monitor
Milliwatts < Lower Is Better
Sandy Bridge - HP EliteBOok . MIN: 12808  AVG: 28312  MAX: 29783 
Haswell - Acer C720 ......... MIN: 6065   AVG: 9116   MAX: 10334 


C-Ray 1.1
Total Time
Seconds < Lower Is Better
Sandy Bridge - HP EliteBOok . 74.33  |========================
Haswell - Acer C720 ......... 127.18 |=========================================


C-Ray 1.1
Total Time
Performance Per Watt > Higher Is Better
Sandy Bridge - HP EliteBOok . 0.48 |===========================================
Haswell - Acer C720 ......... 0.08 |=======


C-Ray 1.1
System Power Consumption Monitor
Milliwatts < Lower Is Better
Sandy Bridge - HP EliteBOok . MIN: 11602  AVG: 36033  MAX: 37058 
Haswell - Acer C720 ......... MIN: 6124   AVG: 10151  MAX: 11362 


Xonotic 0.7
Resolution: 1024 x 768 - Effects Quality: High
Frames Per Second > Higher Is Better
Sandy Bridge - HP EliteBOok . 75.11 |==========================================
Haswell - Acer C720 ......... 66.10 |=====================================


Xonotic 0.7
Resolution: 1024 x 768 - Effects Quality: High
Frames Per Second Per Watt > Higher Is Better
Sandy Bridge - HP EliteBOok . 1.91 |=====================
Haswell - Acer C720 ......... 3.90 |===========================================


Xonotic 0.7
System Power Consumption Monitor
Milliwatts < Lower Is Better
Sandy Bridge - HP EliteBOok . MIN: 11542  AVG: 39229  MAX: 45372 
Haswell - Acer C720 ......... MIN: 5615   AVG: 16959  MAX: 20058 


System Power Consumption Monitor
Phoronix Test Suite System Monitoring
Milliwatts
Sandy Bridge - HP EliteBOok . MIN: 11542  AVG: 34767  MAX: 45372 
Haswell - Acer C720 ......... MIN: 5615   AVG: 12369  MAX: 20058