Raspberry Pi 3: CPU Temperature Tests & Heatsink

Published at : 23 Dec 2025

Running CPU (and GPU) temperature tests on a Raspberry Pi 3, then fitting a heatsink and testing again! Includes some Bash scripting.

You can watch me fit a fan and try active cooling in this follow-up video: https://www.youtube.com/watch?v=5Ud-grj4Zl0

And the fitting a very large heatsink in this video:
https://www.youtube.com/watch?v=1AYGnw6MwFM

You may also like my “Raspberry Pi 3: Review & Speed Tests” video: https://www.youtube.com/watch?v=T_WlF9I5EGw

Some of my other Raspberry Pi videos include this one where I spend a week using a Raspberry Pi as my only computer:
https://www.youtube.com/watch?v=7QH6RDzllls

And this review of the Raspberry Pi Zero:
https://www.youtube.com/watch?v=WJdQ4rknBX0

More videos on computing-related topics can be found at: http://www.youtube.com/explainingcomputers

You may also like my ExplainingTheFuture channel at: http://www.youtube.com/explainingthefuture