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Tom’s Hardware
Tom’s Hardware
Technology
Jeff Butts

Raspberry Pi 5 hits world-record 3.4 GHz with thermoelectric cooling and firmware tweaks

Jeff Geerling
Thermal imaging of Raspberry Pi 5 with Peltier cooling.

One Raspberry Pi enthusiast has been working to take the world record for Geekbench 6 on a Raspberry Pi 5. The goal was to see how fast he could overclock the Raspberry Pi 5’s CPU and complete Geekbench 6 benchmarking. He succeeded through firmware changes, Peltier cooling methods, and blind luck.

Jeff Geerling claims not to be an expert in overclocking, but he may have been the first person ever to push a Raspberry Pi 5 above 3 GHz. On Pi Day in 2024, he took a Raspberry Pi 5 to 3.14 GHz. Getting the tiny CPU to go any faster wasn’t possible at the time because of a voltage limit in the Raspberry Pi firmware.

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