Intel’s Alder Lake flagship processor is the subject of a fresh leak, with a purported engineering sample having been spotted with a maximum (single-core) Turbo boost of 5.3GHz.

The spec revelation came alongside a bit of benchmarking speculation, and was uncovered on the NGA.cn forum by renowned leaker @9550pro.

The QS, or Qualification Sample, of the purported Core i9-12900K shows a top boost speed of 5.3GHz for the full-power cores, and 3.9GHz for the low-power cores, but as an engineering model, this CPU is not representative of the final product.
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