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Extreme Overclocker Takes Raspberry Pi to 3 GHz

Submitted by Roy Schestowitz on Friday 15th of October 2021 12:29:20 PM Filed under
GNU
Linux
Hardware

Some people will do anything for a speed boost, prying the lids off expensive i9s and subjecting them to all manner of chilly chemical concoctions to drag every last megahertz out of the silicon. We’ve not seen anybody do such an extreme overclock with a Raspberry Pi before, but there's a first time for everything. Claude Schwarz has overclocked his Raspberry Pi Compute Module 4 to an extraordinary 3 GHz.

[...]

Schwarz's earlier efforts saw him overclock the Compute Module 4 to 2.89 GHz, still an extreme speed boost over the stock 1.5 GHz. As well as using liquid metal thermal paste, Schwarz used active cooling on the Compute Module 4 in the form of a heatsink and fan designed for the Raspberry Pi (which could be a 52Pi model cooler). Taking the steps to overclock even further Schwarz disabled power management features to unlock a higher overclock, resulting in much higher CPU speeds than we can achieve with a typical overclock. We should probably say at this point that anyone doing this is on their own, as these extreme actions will definitely void your warranty, and we take no responsibility for whatever happens if you try it.

A little more fumbling in the Pi’s firmware - what Schwarz refers to as “removing all safety nets” - and the CM4 is running at an impressive 2.4GHz at 26.2°C (79.16°F). Not bad for a board that started life at 1.5GHz and didn’t require cooling.

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