Questions tagged [underclocking]

Underclocking is used as an antonym for "Overclocking" and is a method of trying to reduce the power consumption of a processor, by changing the running settings so that it runs more slowly than normal. Use this tags for questions related to how to underclock the Raspberry Pi or peripherals so that power consumption is lowered or for other benefits.

Filter by
Sorted by
Tagged with
3
votes
2answers
7k views

Underclocking PiZero for power saving worth it?

How much power does the PiZero consume on it's lowest possible cpu clock setting (underclocked)? (Let's say the only usb add on is a wifi dongle.) And... is it worth it?
2
votes
3answers
7k views

Underclock raspberry pi without rebooting

I want to reduce the frequency of operation of my raspberry pi without rebooting. Is there a way to do it ?? I know I can change the frequency by changing the config.txt but it requires a reboot.
3
votes
1answer
173 views

Power consumption and instruction cycle frequency

I am making a small, mobile device that depends on batteries. It will only require a high CPU frequency occasionally and is at a low frequency the rest of the time. The default frequency is 700MHz. ...
0
votes
2answers
503 views

How can I change the frequency?

I would like to change the frequency of the RPI, how can I do that, I'm using low level programming. Also how can I get the used memory and free memory?