With speedstep
Running pts/noise-level-1.1.0, pts/compress-gzip-1.1.0, pts/gpu-residency-1.0.1, pts/idle-power-usage-1.0.0 via the Phoronix Test Suite.


1: 

	Processor: Intel Core i7-2620M @ 3.40GHz (4 Cores), Motherboard: Dell 087HK7, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 2 x 4096 MB DDR3-1333MHz Samsung, Disk: 256GB Samsung SSD 840, Graphics: Intel HD 3000 (1300MHz), Audio: Intel 6 /C200, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

	OS: Fedora 20, Kernel: 3.17.4-200.fc20.x86_64 (x86_64), Desktop: GNOME Shell 3.10.4, Display Server: X Server 1.14.5, Display Driver: intel 2.99.911, OpenGL: 3.1 Mesa 10.3.3, Compiler: GCC 4.8.3 20140911, File-System: ext4, Screen Resolution: 1366x768

No speedstep, on power: 

	Processor: Intel Core i7-2620M @ 3.40GHz (4 Cores), Motherboard: Dell 087HK7, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 2 x 4096 MB DDR3-1333MHz Samsung, Disk: 256GB Samsung SSD 840, Graphics: Intel HD 3000 (1300MHz), Audio: Intel 6 /C200, Network: Intel 82579LM Gigabit Connection + Intel Centrino Advanced-N 6205

	OS: Fedora 20, Kernel: 3.17.4-200.fc20.x86_64 (x86_64), Desktop: GNOME Shell 3.10.4, Display Server: X Server 1.14.5, Display Driver: intel 2.99.911, OpenGL: 3.1 Mesa 10.3.3, Compiler: GCC 4.8.3 20140911, File-System: ext4, Screen Resolution: 1366x768


NoiseLevel
Phoronix Test Suite v5.2.1
Activity Level < Lower Is Better
1 ...................... 632785 |==============================================
No speedstep, on power . 367251 |===========================


Gzip Compression
2GB File Compression
Seconds < Lower Is Better
1 ...................... 15.55 |===================================
No speedstep, on power . 21.15 |===============================================


GPU Residency
State: RC6
ms > Higher Is Better
1 ...................... 55872 |==============================================
No speedstep, on power . 56979 |===============================================


Idle Power Usage
Minutes Idle: 3
microAmps
1 ...................... MIN: 9687   AVG: 10175  MAX: 16749 
No speedstep, on power . MIN: 11317  AVG: 14981  MAX: 15309