Is this a myth or is this for real?
I read about it all and was wondering if anyone knows if it is true or tried it yet.
Going from 60Hz to 40Hz
Well, if you do not mind my eyes, it's true. Energy saving graphics card and monitor increases. But the device that consumes considerably more power - the CPU. Just do not think that the overall percentage of energy savings will be large. Extra battery is much cheaper than eye problems, I think). Good luck.