From ExtremeTech: Before Intel’s new Raptor Lake chips launched, we were impressed that someone could get a Core i9-13900K up to 6.2GHz with a liquid chiller. Now that level of performance has been shattered by the overclocking team at Asus. The team has successfully taken a 13900K over 9GHz, breaking the world record for CPU clock speeds. This is the first time a CPU has been able to break the 9GHz barrier. The same team had previously pushed the same chip to 8.81GHz in October, breaking AMD’s grip on the title. It had held it for over eight years thanks to an 8.7GHz overclock on an AMD FX-8370 back in 2014.
The key to the team’s success this time was that it used liquid helium instead of liquid nitrogen. Apparently, helium can get a lot colder than LN2, but it evaporates almost instantly so it’s trickier to use. In order to hit 9GHz, the team had to lower the CPU socket temp to -250C. A blowtorch was used around the mainboard to keep its temperature up and prevent condensation during the run. The team’s platform was an Asus ROG Maximus Z790 Apex, which sells for around $800. Asus announced the record-breaking run on Twitter, and posted the video below as well.
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