Since, Im on aWindows 7 desktop, I could only provide screenshots of desktop tweaks.
How to bring up the Windows 7 Power Options ?
to make it change/play with your power configs/options for your Windows 7 desktop, bring up the following window.
You normally have 3 different plans, displayed in the right hand side of the screen.
( Balanced, Power saver, High performance).
you might hit Change plan parameters beside each plan to change further options.
This will open a window like the below image.
There youve the option of Change advanced power tweaks.
This will bring up the pop-up window shown below.
The difference between these 2 options are thepower savingsversus theLatency(Time to recover from the Sleep state).