'''Core i9-12900K''' is a {{arch|64}} [[hexadeca-core]] high-end performance [[x86]] desktop microprocessor introduced by [[Intel]] in late [[2021]]. This processor, which is based on the {{intel|Alder Lake|l=arch}} microarchitecture, is manufactured on Intel's [[Intel 7]] process. The i9-12900K is a [[heterogeneous multicore]] SoC integrating eight [[big core|big]] {{intel|Golden Cove|l=arch}} cores along with eight [[small core|small]] {{intel|Gracemont|l=arch}} cores. The [[big cores]] operate at 3.2 GHz with a {{intel|Turbo Boost}} frequency of up to 5.1 GHz and a {{intel|Turbo Boost Max Technology|Turbo Boost Max}} frequency of up to 5.2 GHz. This processor has a base power of 125 W and a maximum power of 241 W. The [[small cores]] operate at 2.4 GHz with a {{intel|Turbo Boost}} frequency of up to 3.9 GHz. This chip supports up to 128 GiB of dual-channel DDR5-4800 memory and incorporates Intel's {{intel|UHD Graphics 770}} IGP operating at 300 MHz with a burst frequency of 1.55 GHz.