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Intel Core i9-12900K
Intel · CPU · Alder Lake

Intel Core i9-12900K — Benchmarks & Specs

16 cores24 threads125W TDP$589 MSRP2021

The Intel Core i9-12900K is a processor from the Alder Lake family released in 2021 from Intel. Key on-paper specs include 16 cores / 24 threads, 125W TDP. It launched with a $589 MSRP, though street prices typically diverge meaningfully from launch pricing — see the linked product cards below for current Amazon listings. Data on this page draws on 5 synthetic benchmark results, aggregated from public benchmark databases (TechPowerUp, PassMark, Geekbench, Cinebench) and the LocalLLaMA community. Read this page when shopping the Intel Core i9-12900K, comparing it against other processors in your build, or sizing it for a specific workload (gaming at 1080p/1440p/4K, productivity benchmarks, or local LLM inference).

Synthetic Benchmarks

Higher is better. Bars are scaled within each benchmark family (multi-thread, single-thread, etc.) so you can compare like-with-like at a glance.

PassMark CPU Mark via PassMark Software
41,132 points
Cinebench R23 multi via GadgetVersus
27,767 points
Geekbench 6 multi via Technical.city
17,450 points
Geekbench 6 single via Technical.city
2,715 points
Cinebench R23 single via GadgetVersus
2,026 points

Full Specifications

pciePCIe 5.0
cores16
tdp w125
socketLGA1700
e cores8
p cores8
processIntel 7 (10nm ESF)
threads24
l2 cache mb14
l3 cache mb30
base clock ghz3.2
memory supportDDR5-4800, DDR4-3200
boost clock ghz e3.9
boost clock ghz p5.2
max turbo power w241
integrated graphicsIntel UHD Graphics 770

Intel Core i9-12900K — Frequently Asked Questions

What is the Intel Core i9-12900K best used for?
Intel Core i9-12900K is a 16-core Alder Lake-family processor. Use it for workstation-class compute, content creation, and multi-threaded productivity. Check the synthetic benchmark scores below for at-a-glance comparison.
When was the Intel Core i9-12900K released, and what was its launch MSRP?
Intel Core i9-12900K launched in 2021 at a $589 MSRP. Street prices diverge from launch pricing over a product's lifetime — check the linked Amazon listings on this page for current availability.
Where do the benchmark numbers on this page come from?
Synthetic benchmarks are scraped from public databases (TechPowerUp, PassMark, Geekbench Browser, Cinebench leaderboards). AI inference numbers come from the LocalLLaMA community (Reddit threads, llama.cpp / Ollama discussion logs, and Phoronix when available). Every benchmark row carries an inline source citation — click through to verify the original number.
How does the Intel Core i9-12900K compare to its predecessor?
Compare Intel Core i9-12900K side-by-side against other processors on the Compare tool below. Synthetic benchmark scores let you place this SKU within its generation; the spec table shows the architectural and process-node differences from one generation to the next.
Where can I buy the Intel Core i9-12900K?
Active Amazon listings aren't on file for this exact SKU yet. See the linked benchmark sources and the Compare tool for adjacent parts that may be in stock — and check the /benchmarks index for the latest curated picks in this category.

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